Maryland College and Career-Ready Standards for Fourth Grade Science

Animal Growth and Reproduction
A life cycle is the stages of development an organism goes through starting from an egg to growing into an adult. Living organisms each have their own unique way of reproducing, giving birth, growing, and developing. Read more...iWorksheets: 4Study Guides: 1Vocabulary Sets: 4
Cells- The building blocks of living things
FreeCells are building blocks of life. All living things are made of cells. A unicellular organism is made up of only one cell while multicellular organisms are made up of only cells. Read more...iWorksheets: 4Study Guides: 1Vocabulary Sets: 3
Did you Know... 4th grade
Did you know? There are over 600 named muscles in the human body. Your HEART is considered a muscle, a cardiac muscle. The largest bone in your body is your femur, which is your thigh bone. If you make a mark on the trunk of a tree, it will remain the same distance from the ground! Read more...iWorksheets: 3Study Guides: 1
Math in Science
Whether you are measuring, calculating, creating graphs and charts, or using numbers in any way… that’s using your math skills. During many science investigations you may have to measure the length, width, height, or weight of different objects. You also may need to measure the temperature of the air or different liquids when completing a scientific investigation as well. Read more...iWorksheets: 3Study Guides: 1
Plant Structure and function
Plants are living organisms made up of cells. Plants need sunlight and water to live and grow healthy. A plant has different parts that are all important in keeping the plant alive and healthy: Roots, Stem, Leaves. A plant’s roots collect water and minerals from soil for the rest of the plant. The main job of a plant’s stem is to carry water and minerals from the roots to the rest of the plant. Read more...iWorksheets: 3Study Guides: 1Vocabulary Sets: 4
Science in our world
Have you ever seen a meteor shower? Meteors are small fragments of debris from space that enter the Earth's atmosphere at extremely high speed. They then turn into a vapor r leaving a streak of light that disappears quickly. You hear on the radio that a high air pressure system will be moving in tomorrow, which means there is a very good chance of clear skies. Read more...iWorksheets: 3Study Guides: 1Vocabulary Sets: 1

MD.1.0. Skills and Processes: Students will demonstrate the thinking and acting inherent in the practice of science.

1.A.1. Constructing Knowledge: Gather and question data from many different forms of scientific investigations which include reviewing appropriate print resources, observing what things are like or what is happening somewhere, collecting specimens for analysis, and doing experiments.

1.A.1.b. Select and use appropriate tools hand lens or microscope (magnifiers), centimeter ruler (length), spring scale (weight), balance (mass), Celsius thermometer (temperature), graduated cylinder (liquid volume), and stopwatch (elapsed time) to augment observations of objects, events, and processes.
Hands-on Lab Skills/Science Inquiry - 3rd grade
Science Process Skills: Observing, Classifying, Estimating, Predicting/Hypothesis, Making Inferences, Models, Investigating, Collecting Data, Interpreting Data. Scientific Method: Ask a question, Write an Hypothesis, Create a control variable, Conduct an Experiment, Record Your Data, Decide Your Final Answer, State Your Final Answer. Science Tools. Safety in Science. Read more...iWorksheets :3Study Guides :1Vocabulary :2
Hands-on Lab Skills/Science Inquiry
When you conduct an investigation, you may make predictions, interpret your findings, draw conclusions, and justify your conclusions. When you conduct an experiment, you should collect data to help justify your conclusions. During an investigation, you may formulate and justify your predictions based on cause and effect relationships. A cause makes something else happen. An effect is what happens because of the cause. Read more...iWorksheets :3Study Guides :1
The nature of science
Science process skills include observing, classifying, estimating, measuring, inferring, predicting, creating graphs, and developing models. Identify Dependent and Controlled Variables: A dependent variable is the variable that is being observed during an experiment. A control variable is the part of an experiment that you do not make any changes to which you can use to compare the other parts of your experiment to. Read more...iWorksheets :3Study Guides :1
1.A.1.c. Explain that comparisons of data might not be fair because some conditions are not kept the same.
The nature of science
Science process skills include observing, classifying, estimating, measuring, inferring, predicting, creating graphs, and developing models. Identify Dependent and Controlled Variables: A dependent variable is the variable that is being observed during an experiment. A control variable is the part of an experiment that you do not make any changes to which you can use to compare the other parts of your experiment to. Read more...iWorksheets :3Study Guides :1

1.B.1. Applying Evidence and Reasoning: Seek better reasons for believing something than 'Everybody knows that...' or 'I just know' and discount such reasons when given by others.

1.B.1.a. Develop explanations using knowledge possessed and evidence from observations, reliable print resources, and investigations.
Hands-on Lab Skills/Science Inquiry
When you conduct an investigation, you may make predictions, interpret your findings, draw conclusions, and justify your conclusions. When you conduct an experiment, you should collect data to help justify your conclusions. During an investigation, you may formulate and justify your predictions based on cause and effect relationships. A cause makes something else happen. An effect is what happens because of the cause. Read more...iWorksheets :3Study Guides :1
The nature of science
Science process skills include observing, classifying, estimating, measuring, inferring, predicting, creating graphs, and developing models. Identify Dependent and Controlled Variables: A dependent variable is the variable that is being observed during an experiment. A control variable is the part of an experiment that you do not make any changes to which you can use to compare the other parts of your experiment to. Read more...iWorksheets :3Study Guides :1

1.C.1. Communicating Scientific Information: Recognize that clear communication is an essential part of doing science because it enables scientists to inform others about their work, expose their ideas to criticism by other scientists, and stay informed about scientific discoveries around the world.

1.C.1.a. Make use of and analyze models, such as tables and graphs to summarize and interpret data.
Hands-on Lab Skills/Science Inquiry
When you conduct an investigation, you may make predictions, interpret your findings, draw conclusions, and justify your conclusions. When you conduct an experiment, you should collect data to help justify your conclusions. During an investigation, you may formulate and justify your predictions based on cause and effect relationships. A cause makes something else happen. An effect is what happens because of the cause. Read more...iWorksheets :3Study Guides :1
The nature of science
Science process skills include observing, classifying, estimating, measuring, inferring, predicting, creating graphs, and developing models. Identify Dependent and Controlled Variables: A dependent variable is the variable that is being observed during an experiment. A control variable is the part of an experiment that you do not make any changes to which you can use to compare the other parts of your experiment to. Read more...iWorksheets :3Study Guides :1
1.C.1.d. Construct and share reasonable explanations for questions asked.
Hands-on Lab Skills/Science Inquiry
When you conduct an investigation, you may make predictions, interpret your findings, draw conclusions, and justify your conclusions. When you conduct an experiment, you should collect data to help justify your conclusions. During an investigation, you may formulate and justify your predictions based on cause and effect relationships. A cause makes something else happen. An effect is what happens because of the cause. Read more...iWorksheets :3Study Guides :1
The nature of science
Science process skills include observing, classifying, estimating, measuring, inferring, predicting, creating graphs, and developing models. Identify Dependent and Controlled Variables: A dependent variable is the variable that is being observed during an experiment. A control variable is the part of an experiment that you do not make any changes to which you can use to compare the other parts of your experiment to. Read more...iWorksheets :3Study Guides :1

1.D.3. Technology: Examine and modify models and discuss their limitations.

1.D.3.a. Explain that a model is a simplified imitation of something and that a model's value lies in suggesting how the thing modeled works.
The nature of science
Science process skills include observing, classifying, estimating, measuring, inferring, predicting, creating graphs, and developing models. Identify Dependent and Controlled Variables: A dependent variable is the variable that is being observed during an experiment. A control variable is the part of an experiment that you do not make any changes to which you can use to compare the other parts of your experiment to. Read more...iWorksheets :3Study Guides :1
1.D.3.b. Investigate and describe that seeing how a model works after changes are made to it may suggest how the real thing would work if the same were done to it.
The nature of science
Science process skills include observing, classifying, estimating, measuring, inferring, predicting, creating graphs, and developing models. Identify Dependent and Controlled Variables: A dependent variable is the variable that is being observed during an experiment. A control variable is the part of an experiment that you do not make any changes to which you can use to compare the other parts of your experiment to. Read more...iWorksheets :3Study Guides :1
1.D.3.c. Explain that models, such as geometric figures, number sequences, graphs, diagrams, sketches, number lines, maps, and stories can be used to represent objects, events, and processes in the real world, although such representations can never be exact in every detail.
Hands-on Lab Skills/Science Inquiry
When you conduct an investigation, you may make predictions, interpret your findings, draw conclusions, and justify your conclusions. When you conduct an experiment, you should collect data to help justify your conclusions. During an investigation, you may formulate and justify your predictions based on cause and effect relationships. A cause makes something else happen. An effect is what happens because of the cause. Read more...iWorksheets :3Study Guides :1
The nature of science
Science process skills include observing, classifying, estimating, measuring, inferring, predicting, creating graphs, and developing models. Identify Dependent and Controlled Variables: A dependent variable is the variable that is being observed during an experiment. A control variable is the part of an experiment that you do not make any changes to which you can use to compare the other parts of your experiment to. Read more...iWorksheets :3Study Guides :1
1.D.3.d. Realize that one way to make sense of something is to think how it is like something more familiar.
The nature of science
Science process skills include observing, classifying, estimating, measuring, inferring, predicting, creating graphs, and developing models. Identify Dependent and Controlled Variables: A dependent variable is the variable that is being observed during an experiment. A control variable is the part of an experiment that you do not make any changes to which you can use to compare the other parts of your experiment to. Read more...iWorksheets :3Study Guides :1

MD.2.0. Earth/Space Science: Students will use scientific skills and processes to explain the chemical and physical interactions (i.e., natural forces and cycles, transfer of energy) of the environment, Earth, and the universe that occur over time.

2.A.2. Materials and Processes That Shape A Planet: Recognize and explain how physical weathering and erosion cause changes to the earth's surface.

2.A.2.a. Investigate and describe how weathering wears down Earth's surface: Water; Ice; Wind.
Changes on earth
A glacier is a slow moving large body of ice. A volcano is an opening in the Earth’s crust from which hot, melted rock forcefully comes out when pressure is built up inside the Earth. An earthquake is a sudden shift in the Earth’s crust that causes the ground to shake and vibrate violently. Weathering is the process of rocks being changed over time by conditions such as rain, snow, ice, pressure.Read more...iWorksheets :4Study Guides :1Vocabulary :2
Earth - Inside and Out
Let's look at the Earth from the inside out...
The Earth is made up three main layers called crust, mantle, and core. Read more...
iWorksheets :4Study Guides :1Vocabulary :9
Landforms, Rocks and soil
Landsforms are features that make up the Earth's surface. They include mountains, plateaus, canyons, deltas, hills, valleys, and more... The Rock cycle, Volcanoes. How do Earthquakes happen? Read more...iWorksheets :4Study Guides :1Vocabulary :4
Minerals of Earth's crust
Minerals are solid elements formed naturally in the Earth’s surface. Every mineral has a unique chemical composition – a mix of the chemicals that formed it. Rocks are made up of minerals, sometimes more than one kind of mineral! Read more...iWorksheets :3Study Guides :1Vocabulary :4
2.A.2.b. Cite evidence to show that erosion shapes and reshapes the earth's surface as it moves from one location to another: Water; Ice; Wind.
Changes on earth
A glacier is a slow moving large body of ice. A volcano is an opening in the Earth’s crust from which hot, melted rock forcefully comes out when pressure is built up inside the Earth. An earthquake is a sudden shift in the Earth’s crust that causes the ground to shake and vibrate violently. Weathering is the process of rocks being changed over time by conditions such as rain, snow, ice, pressure.Read more...iWorksheets :4Study Guides :1Vocabulary :2
Earth - Inside and Out
Let's look at the Earth from the inside out...
The Earth is made up three main layers called crust, mantle, and core. Read more...
iWorksheets :4Study Guides :1Vocabulary :9
Minerals of Earth's crust
Minerals are solid elements formed naturally in the Earth’s surface. Every mineral has a unique chemical composition – a mix of the chemicals that formed it. Rocks are made up of minerals, sometimes more than one kind of mineral! Read more...iWorksheets :3Study Guides :1Vocabulary :4

2.B.2. Earth History: Recognize and explain that fossils provide evidence about the plants and animals that lived long ago and about the nature of the environment at that time.

2.B.2.a. Recognize and explain that the remains or imprints of plants or animals can become fossils.
Fossils and extinct animals
Many animals have become extinct over millions of years. Extinct means no longer living on Earth. Animas that are extinct include dinosaurs, saber-toothed tigers, and dodo birds. Read more...iWorksheets :3Study Guides :1Vocabulary :4
2.B.2.b. Describe the physical structures of an animal or plant based on its fossil remains.
Fossils and extinct animals
Many animals have become extinct over millions of years. Extinct means no longer living on Earth. Animas that are extinct include dinosaurs, saber-toothed tigers, and dodo birds. Read more...iWorksheets :3Study Guides :1Vocabulary :4

2.D.1. Astronomy: Identify and describe the variety of objects in the universe through first-hand observations using the unaided eye, binoculars or telescopes or videos and/or pictures from reliable sources.

2.D.1.b. Identify the sun as the Earth's closest star.
Our Solar system and beyond
What Can Be Found in the Solar System? A planet is a large body that revolves around the Sun. Asteroids, comets and meteors are made of pieces of rock and ice. Asteroids are small pieces of rock which orbit around the Sun. Comets are made of ice and rock. The “tail” of a comet is made of vaporized gases and dust that flow behind them as they fly through space at a VERY fast pace! Read more...iWorksheets :3Study Guides :1Vocabulary :3
2.D.1.c. Recognize that stars are like the sun, some are smaller and some larger.
Our Solar system and beyond
What Can Be Found in the Solar System? A planet is a large body that revolves around the Sun. Asteroids, comets and meteors are made of pieces of rock and ice. Asteroids are small pieces of rock which orbit around the Sun. Comets are made of ice and rock. The “tail” of a comet is made of vaporized gases and dust that flow behind them as they fly through space at a VERY fast pace! Read more...iWorksheets :3Study Guides :1Vocabulary :3

2.E.2. Interactions of Hydrosphere and Atmosphere: Recognize and describe that each season has different weather conditions

2.E.2.a. Describe different seasonal weather conditions using data collected from weather instruments, models or drawings.
Weather
What is the weather like outside? Weather is the condition of the air outside. Weather involves many things, such as clouds, temperature, water in the air, and the wind. Read more...iWorksheets :3Study Guides :1Vocabulary :2
Weather and Climate
Many factors affect the weather such as the sun, atmosphere, temperature, water, and air pressure. When air moves from an area of high pressure to a place with low pressure, WIND is created. The movement and interaction of air masses cause most weather conditions. Climate: The word climate refers to the typical weather throughout the year in the same area. Read more...iWorksheets :4Study Guides :1Vocabulary :4
2.E.2.c. Compare average daily wind speed and direction during different seasons.
Weather and Climate
Many factors affect the weather such as the sun, atmosphere, temperature, water, and air pressure. When air moves from an area of high pressure to a place with low pressure, WIND is created. The movement and interaction of air masses cause most weather conditions. Climate: The word climate refers to the typical weather throughout the year in the same area. Read more...iWorksheets :4Study Guides :1Vocabulary :4
Weather, Weather patterns and climate
How do clouds form? Main types of clouds. Precipitation. Air Pressure. What are the Four Most Influential Air Masses that Affect the Weather in North America? What is needed for a thunderstorm to occur? Thunderstorm key ingredients: Moisture, Instability and Uplift. What is a hurricane? What is a tornado? What is climate? Climate Zones: Polar zone, Temperate zone, Tropical zone. The location of the zone determines its climate. Read more...iWorksheets :3Study Guides :1Vocabulary :5
2.E.2.d. Compare average daily precipitation during different seasons: Amount; Type.
Science Worksheets: Water.
All living things need water to survive and to grow. For example, plants need water to make their own food, while fish need to live in water. The human body is made up of about 2/3 water. Water comes in three forms: liquid, solid, and gas. Read more...iWorksheets :3Study Guides :1Vocabulary :1
Weather, Weather patterns and climate
How do clouds form? Main types of clouds. Precipitation. Air Pressure. What are the Four Most Influential Air Masses that Affect the Weather in North America? What is needed for a thunderstorm to occur? Thunderstorm key ingredients: Moisture, Instability and Uplift. What is a hurricane? What is a tornado? What is climate? Climate Zones: Polar zone, Temperate zone, Tropical zone. The location of the zone determines its climate. Read more...iWorksheets :3Study Guides :1Vocabulary :5

MD.3.0. Life Science: The students will use scientific skills and processes to explain the dynamic nature of living things, their interactions, and the results from the interactions that occur over time.

3.A.1. Diversity of Life: Explain how animals and plants can be grouped according to observable features.

3.A.1.a. Observe and compile a list of a variety of animals or plants in both familiar and unfamiliar environments.
Grouping of Animals
Animals can be classified, or grouped together, by the things they have in common, such as how they act, where they live, or how they look. Scientists separate animals into two main groups related to whether the animal has a backbone in its body or not. Those animals with backbones are part of the vertebrates group. Those animals without a central backbone are invertebrates. Read more...iWorksheets :4Study Guides :1Vocabulary :1
Classifying organisms
Scientific classification is the process of grouping living organisms into certain categories based on their characteristics, traits, and appearance. The order of scientific classification is kingdom, phylum, class, order, family, genus, and species. Each time we move to a different classification category, the groups get smaller and more specific. Read more...iWorksheets :3Study Guides :1Vocabulary :4
The 6-Kingdoms of life
Scientists classify plants and animals according to the structures and characteristics of each organism. They compare and contrast organisms, and those with similar structures and characteristics are grouped together. Read more...iWorksheets :4Study Guides :1Vocabulary :4
3.A.1.b. Classify a variety of animals and plants according to their observable features and provide reasons for placing them into different groups.
Grouping of Animals
Animals can be classified, or grouped together, by the things they have in common, such as how they act, where they live, or how they look. Scientists separate animals into two main groups related to whether the animal has a backbone in its body or not. Those animals with backbones are part of the vertebrates group. Those animals without a central backbone are invertebrates. Read more...iWorksheets :4Study Guides :1Vocabulary :1
How animals grow and change and live
Animals have certain traits which help them survive in their environment. These survival traits are called adaptations. Many adaptations are inherited, which means they are passed on from the parents of animal. Many animals have adaptations for eating such as the way a bird’s beak is shaped. Read more...iWorksheets :3Study Guides :1Vocabulary :1
Plant growth and reproduction
Process of Reproduction. Fertilization, Seeds. Lesson Checkpoints: What is one reason a plant has nectar? What do mosses and ferns produce instead of seeds? What is the female organ of a flower called? Read more...iWorksheets :3Study Guides :1Vocabulary :1
Invertebrates - Animals without Backbones
Animals are classified into groups so that scientists around the world can study them easier. Scientists classify animals into two major groups, vertebrates and invertebrates. Read more...iWorksheets :4Study Guides :1Vocabulary :5
Vertebrates - Animals with Backbones
Scientists classify animals into two categories depending on if the animal has a backbone or not. As you know, invertebrates are animals that do NOT have a backbone and vertebrates are animals that DO have a backbone. Vertebrates are divided by scientists into five classes: fish, amphibians, reptiles, birds, and mammals. Read more...iWorksheets :4Study Guides :1Vocabulary :3
Classifying organisms
Scientific classification is the process of grouping living organisms into certain categories based on their characteristics, traits, and appearance. The order of scientific classification is kingdom, phylum, class, order, family, genus, and species. Each time we move to a different classification category, the groups get smaller and more specific. Read more...iWorksheets :3Study Guides :1Vocabulary :4
The 6-Kingdoms of life
Scientists classify plants and animals according to the structures and characteristics of each organism. They compare and contrast organisms, and those with similar structures and characteristics are grouped together. Read more...iWorksheets :4Study Guides :1Vocabulary :4
Plants with and without seeds
There are many plants in the world. Some are plants that you know of and many you have never heard of before! The Fern’s Life Cycle. The Life Cycle of Moss. Monocots vs. Dicots….what are these? Read more...iWorksheets :3Study Guides :1Vocabulary :1
Animal Diversity and Adaptations
FreeHere are some examples of the systems that animals and humans have in common: Integumentary system, Muscular system, Endocrine system, Nervous system, Circulatory system, Respiratory system, Digestive system, Excretory System, Reproductive system, Immune system, Skeletal System. Read more...iWorksheets :3Study Guides :1Vocabulary :5
3.A.1.c. Given a list of additional animals or plants, decide whether or not they could be placed within the established groups or does a new group have to be added.
Grouping of Animals
Animals can be classified, or grouped together, by the things they have in common, such as how they act, where they live, or how they look. Scientists separate animals into two main groups related to whether the animal has a backbone in its body or not. Those animals with backbones are part of the vertebrates group. Those animals without a central backbone are invertebrates. Read more...iWorksheets :4Study Guides :1Vocabulary :1
Classifying organisms
Scientific classification is the process of grouping living organisms into certain categories based on their characteristics, traits, and appearance. The order of scientific classification is kingdom, phylum, class, order, family, genus, and species. Each time we move to a different classification category, the groups get smaller and more specific. Read more...iWorksheets :3Study Guides :1Vocabulary :4
The 6-Kingdoms of life
Scientists classify plants and animals according to the structures and characteristics of each organism. They compare and contrast organisms, and those with similar structures and characteristics are grouped together. Read more...iWorksheets :4Study Guides :1Vocabulary :4
3.A.1.d. Describe what classifying tells us about the relatedness among the animals or plants placed within any group.
Grouping of Animals
Animals can be classified, or grouped together, by the things they have in common, such as how they act, where they live, or how they look. Scientists separate animals into two main groups related to whether the animal has a backbone in its body or not. Those animals with backbones are part of the vertebrates group. Those animals without a central backbone are invertebrates. Read more...iWorksheets :4Study Guides :1Vocabulary :1
Classifying organisms
Scientific classification is the process of grouping living organisms into certain categories based on their characteristics, traits, and appearance. The order of scientific classification is kingdom, phylum, class, order, family, genus, and species. Each time we move to a different classification category, the groups get smaller and more specific. Read more...iWorksheets :3Study Guides :1Vocabulary :4
The 6-Kingdoms of life
Scientists classify plants and animals according to the structures and characteristics of each organism. They compare and contrast organisms, and those with similar structures and characteristics are grouped together. Read more...iWorksheets :4Study Guides :1Vocabulary :4

3.C.1. Genetics: Explain that in order for offspring to resemble their parents, there must be a reliable way to transfer information from one generation to the next.

3.C.1.b. Explain that some likenesses between parents and offspring are inherited (such as eye color in humans, nest building in birds, or flower color in plants) and other likenesses are learned (such as language in humans or songs in birds).
Introduction to animals
Animals have particular body parts and structures to help them survive in their Earth environment. For instance, animals have certain body parts such as legs or wings that help them move, and mouths or trunks or beaks that help them drink water. Read more...iWorksheets :3Study Guides :1Vocabulary :4
Animal Diversity and Adaptations
FreeHere are some examples of the systems that animals and humans have in common: Integumentary system, Muscular system, Endocrine system, Nervous system, Circulatory system, Respiratory system, Digestive system, Excretory System, Reproductive system, Immune system, Skeletal System. Read more...iWorksheets :3Study Guides :1Vocabulary :5

3.D.1. Evolution: Explain that individuals of the same kind differ in their characteristics, and sometimes the differences give individuals an advantage in surviving and reproducing.

3.D.1.a. Describe ways in which organisms in one habitat differ from those in another habitat and consider how these differences help them survive and reproduce.
How animals grow and change and live
Animals have certain traits which help them survive in their environment. These survival traits are called adaptations. Many adaptations are inherited, which means they are passed on from the parents of animal. Many animals have adaptations for eating such as the way a bird’s beak is shaped. Read more...iWorksheets :3Study Guides :1Vocabulary :1
Introduction to animals
Animals have particular body parts and structures to help them survive in their Earth environment. For instance, animals have certain body parts such as legs or wings that help them move, and mouths or trunks or beaks that help them drink water. Read more...iWorksheets :3Study Guides :1Vocabulary :4
Plant Responses and Adaptations
A plant can respond to the conditions of its environment. A plant can change its position and grow in a certain direction or manner to meet its survival needs and adapt to a varying environment. Read more...iWorksheets :3Study Guides :1Vocabulary :1
Animal Diversity and Adaptations
FreeHere are some examples of the systems that animals and humans have in common: Integumentary system, Muscular system, Endocrine system, Nervous system, Circulatory system, Respiratory system, Digestive system, Excretory System, Reproductive system, Immune system, Skeletal System. Read more...iWorksheets :3Study Guides :1Vocabulary :5
3.D.1.b. Explain that the characteristics of an organism affect its ability to survive and reproduce.
How animals grow and change and live
Animals have certain traits which help them survive in their environment. These survival traits are called adaptations. Many adaptations are inherited, which means they are passed on from the parents of animal. Many animals have adaptations for eating such as the way a bird’s beak is shaped. Read more...iWorksheets :3Study Guides :1Vocabulary :1
Introduction to animals
Animals have particular body parts and structures to help them survive in their Earth environment. For instance, animals have certain body parts such as legs or wings that help them move, and mouths or trunks or beaks that help them drink water. Read more...iWorksheets :3Study Guides :1Vocabulary :4
Plant Responses and Adaptations
A plant can respond to the conditions of its environment. A plant can change its position and grow in a certain direction or manner to meet its survival needs and adapt to a varying environment. Read more...iWorksheets :3Study Guides :1Vocabulary :1
Animal Diversity and Adaptations
FreeHere are some examples of the systems that animals and humans have in common: Integumentary system, Muscular system, Endocrine system, Nervous system, Circulatory system, Respiratory system, Digestive system, Excretory System, Reproductive system, Immune system, Skeletal System. Read more...iWorksheets :3Study Guides :1Vocabulary :5

3.E.1. Flow of Matter and Energy: Recognize food as the source of materials that all living things need to grow and survive.

3.E.1.b. Describe what happens to food in plants and animals: Contributes to growth; Supports repair; Provides energy; Is stored for future use; Is eliminated.
Organ systems
Your body is made up of many organs and systems that all work together to keep your body running properly: The Skeletal System, The Muscular System, The Circulatory System, The Respiratory System, The Digestive System, The Nervous System, The Excretory System. Read more...iWorksheets :3Study Guides :1Vocabulary :4
Cells, tissues and organs
FreeCells need ENERGY to do all this work. Cellular respiration is the process where cells turn food into usable energy. When similar cells group together and work together for the same purpose, they form tissues. For example, skin tissues protect our bodies from dirt and germs getting inside our bodies. Nerve tissue helps us feel things, such as if something is hot or cold. Read more...iWorksheets :3Study Guides :1Vocabulary :6
Energy and ecosystems
An ecosystem includes all the living and non-living things in an area. This includes populations and communities of many different animals. Read more...iWorksheets :3Study Guides :1Vocabulary :3
3.E.1.c. Identify the things that are essential for plants to grow and survive.
How do plants grow?
Plants need many essential things in order to grow, such as: water, air, nutrients, sunlight, and warm temperature. Plants need their space too! If a plant grows too close to other plants, it may not grow healthy and strong, because the plants may compete over the available water, nutrients, and space in the soil for their roots to grow. Read more...iWorksheets :4Study Guides :1Vocabulary :2
Did you Know... 3rd grade
There are so many amazing scientific facts out there, waiting to be discovered by you! Check out some of the incredible ‘Did You Know? facts that have to do with many of the science topics you learn about in 3rd Grade. Read more...iWorksheets :3Study Guides :1

3.F.1. Ecology: Explain ways that individuals and groups of organisms interact with each other and their environment.

3.F.1.a. Identify and describe the interactions of organisms present in a habitat: Competition for space, food, and water; Beneficial interactions: nesting, pollination, seed dispersal, oysters filtering as in the Chesapeake Bay, etc.; Roles within food chains and webs: scavengers, decomposers, producers, consumers.
Relationships among living things
Living things interact in many ways. These interactions can help, harm, or do nothing to a living thing. Read more...iWorksheets :4Study Guides :1Vocabulary :1
Plant growth and reproduction
Process of Reproduction. Fertilization, Seeds. Lesson Checkpoints: What is one reason a plant has nectar? What do mosses and ferns produce instead of seeds? What is the female organ of a flower called? Read more...iWorksheets :3Study Guides :1Vocabulary :1
Food webs/food chains
We all need energy. Every living organism on Earth needs energy to live, including plants, animals and us! The main energy source for all living things on Earth is the Sun. Read more...iWorksheets :4Study Guides :1Vocabulary :2
Flowers and seeds
The flower is the seed factory of the plant – where the flower produces seeds. A flower’s sepals cover a developing flower bud in order to protect the bud while it grows. The petals of a flower are often bright and colorful. The stamen is the male part of a flower. The pistil of a flower includes the stigma, style, and ovary. The ovary of a flower contains seeds. The ovule is the part of the plant that becomes a fruit. Read more...iWorksheets :4Study Guides :1Vocabulary :2
Interactions among living things
An important and essential interaction among living things involves the flow of energy within an environment. All living organisms need energy to survive! Energy moves through an environment through food chains and food webs. Read more...iWorksheets :3Study Guides :1Vocabulary :2
Cycles of life and Biomes
The Nitrogen Cycle Process: Nitrogen is taken in by plants through their roots, animals eat plants, and the nitrogen is passed along the food chain to animals. Herbivores get nitrogen by eating plants. Carnivores get nitrogen by eating herbivores. Nitrogen is returned to the soil when an organism dies – decomposers break down the dead organisms and change the nitrogen compounds in the dead organism’s body into the kind plants can use. Read more...iWorksheets :4Study Guides :1Vocabulary :2
3.F.1.b. Explain that changes in an organism's habitat are sometimes beneficial to it and sometimes harmful.
Ecosystems and changes in ecosystems
What is an ecosystem? An ecosystem is the living and nonliving components of an environment and the way they interact with each other and their environment. There are several different ecosystems on the Earth. Read more...iWorksheets :3Study Guides :1Vocabulary :2

MD.4.0. Chemistry: Students will use scientific skills and processes to explain the composition, structure, and interactions of matter in order to support the predictability of structure and energy transformations.

4.A.1. Structure of Matter: Provide evidence to support the fact that matter has observable and measurable properties

4.A.1.a. Identify examples of matter.
Matter
Matter is ALL Around Us! Matter is anything that takes up space and has mass. Matter is made up of atoms. Atoms are the basic building blocks of matter and make up all objects. Matter change states from solid, liquid, or gas. Read more...iWorksheets :3Study Guides :1Vocabulary :2
Properties of matter and Energy
What is matter? Matter is anything that takes up space and has mass. Kinetic energy is energy that is happening now; it is energy in motion. Potential energy is energy that is waiting to happen; it is stored energy. How does heat get transferred: By conduction, by convection and by radiation. Read more...iWorksheets :3Study Guides :1Vocabulary :2
4.A.1.b. Describe and compare the physical properties of samples of matter: Strength; Hardness; Flexibility; Ability to conduct heat; Ability to conduct electricity; Ability to be attracted by magnets.
Rocks and minerals
FreeWhat is in a Rock? Rocks are made up of many tiny pieces of minerals. What are Minerals? Minerals are natural, nonliving crystals. They come in many sizes, shapes, and colors. Types of Rocks: Sedimentary Rocks, Igneous Rocks, Metamorphic Rocks. The Rock Cycle. Read more...iWorksheets :4Study Guides :1Vocabulary :4
Properties of matter and Energy
What is matter? Matter is anything that takes up space and has mass. Kinetic energy is energy that is happening now; it is energy in motion. Potential energy is energy that is waiting to happen; it is stored energy. How does heat get transferred: By conduction, by convection and by radiation. Read more...iWorksheets :3Study Guides :1Vocabulary :2
4.A.1.d. Cite evidence that supports the statement, 'All matter takes up space and contains a certain amount of material.'
Matter
Matter is ALL Around Us! Matter is anything that takes up space and has mass. Matter is made up of atoms. Atoms are the basic building blocks of matter and make up all objects. Matter change states from solid, liquid, or gas. Read more...iWorksheets :3Study Guides :1Vocabulary :2
Properties of matter and Energy
What is matter? Matter is anything that takes up space and has mass. Kinetic energy is energy that is happening now; it is energy in motion. Potential energy is energy that is waiting to happen; it is stored energy. How does heat get transferred: By conduction, by convection and by radiation. Read more...iWorksheets :3Study Guides :1Vocabulary :2

MD.5.0. Physics: Students will use scientific skills and processes to explain the interactions of matter and energy and the energy transformations that occur

5.B.1. Thermodynamics: Provide evidence that heat can be transferred in different ways.

5.B.1.a. Recognize and explain that heat can be transferred either by direct contact between objects at different temperatures or without direct contact: A spoon in hot water; Heat from a flame.
Properties of matter and Energy
What is matter? Matter is anything that takes up space and has mass. Kinetic energy is energy that is happening now; it is energy in motion. Potential energy is energy that is waiting to happen; it is stored energy. How does heat get transferred: By conduction, by convection and by radiation. Read more...iWorksheets :3Study Guides :1Vocabulary :2
5.B.1.b. Observe, describe, and compare materials that readily conduct heat and those that do not conduct heat very well.
Properties of matter and Energy
What is matter? Matter is anything that takes up space and has mass. Kinetic energy is energy that is happening now; it is energy in motion. Potential energy is energy that is waiting to happen; it is stored energy. How does heat get transferred: By conduction, by convection and by radiation. Read more...iWorksheets :3Study Guides :1Vocabulary :2
5.B.1.c. Classify materials as conductors or insulators based on how easily heat flows through them.
Properties of matter and Energy
What is matter? Matter is anything that takes up space and has mass. Kinetic energy is energy that is happening now; it is energy in motion. Potential energy is energy that is waiting to happen; it is stored energy. How does heat get transferred: By conduction, by convection and by radiation. Read more...iWorksheets :3Study Guides :1Vocabulary :2

5.C.2. Electricity and Magnetism: Investigate and provide evidence that electricity requires a closed loop in order to produce measurable effects.

5.C.2.b. Investigate and describe (orally or with diagrams) how to light a light bulb or sound a buzzer given a battery, wires, and light bulb or buzzer.
Electricity and magnetism
Electricity is the flow of electrical charge. Atoms are made of three different particles, of which some have a positive charge, some have a negative charge, and some have no charge at all. Static Electricity is the imbalance of positive or negative charges between objects. If two objects have opposite charges, they’ll pull toward each other. Read more...iWorksheets :4Study Guides :1Vocabulary :2
5.C.2.c. Describe and compare the path of electricity (circuit) within this system that caused the light to light or the buzzer to sound to those that do not affect the light or buzzer.
Electricity and magnetism
Electricity is the flow of electrical charge. Atoms are made of three different particles, of which some have a positive charge, some have a negative charge, and some have no charge at all. Static Electricity is the imbalance of positive or negative charges between objects. If two objects have opposite charges, they’ll pull toward each other. Read more...iWorksheets :4Study Guides :1Vocabulary :2
5.C.2.e. Provide evidence from observations and investigations that electrical circuits require a complete loop through which electricity can pass.
Electricity and magnetism
Electricity is the flow of electrical charge. Atoms are made of three different particles, of which some have a positive charge, some have a negative charge, and some have no charge at all. Static Electricity is the imbalance of positive or negative charges between objects. If two objects have opposite charges, they’ll pull toward each other. Read more...iWorksheets :4Study Guides :1Vocabulary :2

5.C.3. Electricity and Magnetism: Cite evidence supporting that forces can act on objects without touching them.

5.C.3.b. Based on observations, describe the effect of a magnet on a variety of objects including those that are metallic or non-metallic; those made with iron or made with other metals; and on other magnets.
Sound
Sound is energy that travels in a wave that is caused by vibrations. Vibrations are movements made rapidly back and forth. Vibrations travel through the air and into your ear. You hear sounds when vibrating air causes your eardrum to vibrate. Read more...iWorksheets :3Study Guides :1Vocabulary :1
Force, motion and energy
Motion is the process of an object changing place or position. A force is a push or pull upon an object. Speed refers to the rate an object changes position. To accelerate means to go faster; decelerate means to slow down. Read more...iWorksheets :4Study Guides :1Vocabulary :3
Light and Sound
Light is a form of energy that travels in waves. A reflection occurs when light rays bounce off a surface, such as when you see your reflection in a mirror. Absorption is when an object takes in light wave. Refraction is when light bends moving from one medium to another. Sound is a type of energy that travels in waves that is caused by vibrations. Vibrations are movements made rapidly back and forth. Read more...iWorksheets :3Study Guides :1Vocabulary :3
Sound and light energy
Sound is a type of energy that travels in waves which are caused by vibrations. Characteristics of Sound. Vibrations: movements made rapidly back and forth. Sound Waves: an invisible transfer of sound energy as it travels away from the energy source. Wavelength: the distance between a point on one sound wave and a similar point on another sound wave. Frequency: The number of vibrations in a period of time is called the frequency of a vibration. Volume: The loudness or quietness of a sound is its volume. Read more...iWorksheets :4Study Guides :1Vocabulary :2
5.C.3.c. Compare a compass to a magnet based on observations of the effect a variety of objects (metallic or non-metallic; those made with iron or other metals; and magnets) have on a compass.
Electricity and magnetism
Electricity is the flow of electrical charge. Atoms are made of three different particles, of which some have a positive charge, some have a negative charge, and some have no charge at all. Static Electricity is the imbalance of positive or negative charges between objects. If two objects have opposite charges, they’ll pull toward each other. Read more...iWorksheets :4Study Guides :1Vocabulary :2
5.C.3.e. Investigate and describe how electricity in a wire affects the needle of a compass.
Electricity and magnetism
Electricity is the flow of electrical charge. Atoms are made of three different particles, of which some have a positive charge, some have a negative charge, and some have no charge at all. Static Electricity is the imbalance of positive or negative charges between objects. If two objects have opposite charges, they’ll pull toward each other. Read more...iWorksheets :4Study Guides :1Vocabulary :2
5.C.3.f. Describe how to make a simple electromagnet with a battery, a nail, and wire.
Electricity and magnetism
Electricity is the flow of electrical charge. Atoms are made of three different particles, of which some have a positive charge, some have a negative charge, and some have no charge at all. Static Electricity is the imbalance of positive or negative charges between objects. If two objects have opposite charges, they’ll pull toward each other. Read more...iWorksheets :4Study Guides :1Vocabulary :2

MD.6.0. Environmental Science: Students will use scientific skills and processes to explain the interactions of environmental factors (living and non-living) and analyze their impact from a local to a global perspective.

6.B.1. Environmental Issues: Recognize and describe that people in Maryland depend on, change, and are affected by the environment.

6.B.1.a. Identify and describe that human activities in a community or region are affected by environmental factors: Presence and quality of water; Soil type; Temperature; Precipitation.
Earth's Waters
Did you know that three quarters (3/4) of Earth is covered by water? Freshwater is water containing only a very little amount of salt. Oceans are made of salt water. Ninety-seven percent (97%) of the Earth’s water is saltwater. Throughout the water cycle, water can be solid, liquid, and a gas. Read more...iWorksheets :3Study Guides :1Vocabulary :1
Standards

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