Alaska Content and Performance Standards for Fifth Grade Science

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 Sets: 6
Earth's oceans
Oceans are a natural resource for salt and the fish and other sea animals we eat. Ocean Currents. Ocean Tides, Trenches, Mid-Ocean Ridges, Seamounts, The Flat Abyssal Plains, The Continental Shelf. Read more...iWorksheets: 3Study Guides: 1Vocabulary Sets: 1
Elements, mixtures and compounds
Elements are a basic (simple) kind of matter. They can’t be broken down into simpler parts and still keep their properties because they are in the simplest form. A solute is the substance that is dissolved in the solvent. Solubility refers to the ability of one substance to dissolve into another substance. Read more...iWorksheets: 4Study Guides: 1Vocabulary Sets: 2
Energy resources
A renewable resource is a resource that can be naturally restored or at least replenished as it is needed: The power of WIND, the power of WATER, the power of the SUN, Geothermal energy (heat from the earth), the Energy of TRASH. Fossil fuels - Crude Oil, Coal, Natural Gas - are nonrenewable resources. These types of resources take much longer to replace than most societies can wait. Read more...iWorksheets: 3Study Guides: 1Vocabulary Sets: 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 Sets: 2
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 Sets: 1
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 Sets: 1
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 Sets: 2
Science Worksheets: Acids and bases
An Acid is a type of sour substance. Examples of acids are lemon juice and vinegar. A base is a type of bitter substance. A base dissolved in water is called a basic solution. Examples of a base substance are soap and baking soda. Scientists use a variety of pH indicators to determine which substances are bases and which are acids. Read more...iWorksheets: 4Study Guides: 1Vocabulary Sets: 1
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 Sets: 2
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 Sets: 5

AK.A1. Science as Inquiry and Process (SA1, SA2, SA3)

[5] SA1.1. The student demonstrates an understanding of the processes of science by asking questions, predicting, observing, describing, measuring, classifying, making generalizations, inferring and communicating.

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
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
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

[5] SA1.2. The student demonstrates an understanding of the processes of science by using quantitative and qualitative observations to create their own inferences and predictions.

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

[5] SA2.1. The student demonstrates an understanding of the attitudes and approaches to scientific inquiry by supporting their statements with facts from a variety of resources and by identifying their sources. (L)

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

AK.B1. Concepts of Physical Science (SB1, SB2, SB3, SB4)

[5] SB1.1. The student demonstrates understanding of the structure and properties of matter by comparing models that represent matter as solids, liquids, or gases and the changes from one state to another. (L)

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
Science worksheets: Solids, liquids and gases.
Solid, liquid, and gas are all states of matter. The molecules in solids are tightly packed together. The molecules in liquids are not as close as those in solids; they have a little more room to move around. The molecules in gases are far apart. Gases can fill any size room or any size container. Read more...iWorksheets :3Study Guides :1Vocabulary :1

[5] SB2.1. The student demonstrates an understanding of how energy can be transformed, transferred, and conserved by classifying the changes (i.e., heat, light, sound, and motion) that electrical energy undergoes in common household appliances (i.e., toaster, blender, radio, light bulb, heater).

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] SB3.1. The student demonstrates understanding of the interactions between matter and energy and the effects of these interactions on systems by identifying physical and chemical changes based on observable characteristics (e.g., tearing paper vs. burning paper).

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
Science Worksheets: Chemical and physical changes of matter
A chemical change is a change in which one kind of substance is changed into a different kind of substance. Chemical changes produce substances that were not there when you started. You can’t reverse or undo a chemical change. The substance or object involved in physical change is the same before and after the change (unlike a chemical change). The change is not permanent and can be undone. Read more...iWorksheets :3Study Guides :1Vocabulary :1

[5] SB4.1. The student demonstrates an understanding of motions, forces, their characteristics, relationships, and effects by investigating that the greater the force acting on an object, the greater the change in motion will be. (L)

Newton's Laws of motion
What is motion? Motion is the process of an object changing its place or its position. Motion is not speed. Speed is the rate an object changes position. Newton's law of motion. Read more...iWorksheets :4Study Guides :1Vocabulary :2

AK.C1. Concepts of Life Science (SC1, SC2, SC3)

[5] SC1.2. The student demonstrates an understanding of how science explains changes in life forms over time, including genetics, heredity, the process of natural selection and biological evolution by making reasonable inferences about fossil organisms based on physical evidence.

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

[5] SC2.1. The student demonstrates an understanding of the structure, function, behavior, development, life cycles, and diversity of living organisms by identifying and sorting animals into groups using basic external and internal features.

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

[5] SC2.2. The student demonstrates an understanding of the structure, function, behavior, development, life cycles, and diversity of living organisms by explaining how external features and internal systems (i.e., respiratory, excretory, skeletal, circulatory, and digestive) of plants and animals may help them grow, survive, and reproduce.

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 :4
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
Roots, Stems and Leaves
Plants have two different root systems: a Taproot and a Fibrous Root system. Leaves of a plant are made of plant organs and tissues. The top layer of leaf, which protects the leaf, is called its epidermis. Leaves have tiny openings underneath them called the stomata which let air and water in and out of the leaf. Read more...iWorksheets :4Study Guides :1Vocabulary :2
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
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

[5] SC2.3. The student demonstrates an understanding of the structure, function, behavior, development, life cycles, and diversity of living organisms by recognizing that organisms are composed of cells.

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

[5] SC3.1. The student demonstrates an understanding that all organisms are linked to each other and their physical environments through the transfer and transformation of matter and energy by diagramming how matter and energy are transferred within and between living and nonliving things.

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
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
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

[5] SC3.2. The student demonstrates an understanding that all organisms are linked to each other and their physical environments through the transfer and transformation of matter and energy by organizing a simple food chain of familiar plants and animals that traces the source of the energy back to sunlight.

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
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

AK.D1. Concepts of Earth Science (SD1, SD2, SD3, SD4)

[5] SD1.1. The student demonstrates an understanding of geochemical cycles by observing a model of the rock cycle showing that smaller rocks come from the breaking and weathering of larger rocks and that smaller rocks (e.g., sediments and sands) may combine with plant materials to form soils. (L)

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
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

[5] SD2.1. The student demonstrates an understanding of the forces that shape Earth by describing how wind and water tear down and build up the Earth's surface resulting in new land formations (i.e., deltas, moraines, and canyons).

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

[5] SD3.1. The student demonstrates an understanding of cycles influenced by energy from the sun and by Earth's position and motion in our solar system by observing a model that shows how the regular and predictable motion of the Earth and moon determine the apparent shape (phases) of the moon over time. (L)

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

[5] SD4.1. The student demonstrates an understanding of the theories regarding the origin and evolution of the universe by distinguishing between stars, planets, moons, comets, and meteors. (L)

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
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
The solar system
All planets in our solar system rotate and they all revolve around the Sun. Inner planets: Mercury, Venus, Earth. Outer planets: Jupiter, Saturn, Uranus, Neptune. Comets are made of ice and rock. They have four parts: a nucleus which is the solid portion of the comet and is made of dust and ice, a coma which is a cloud of dust and evaporated gases, an ion tail and a dust tail. Read more...iWorksheets :3Study Guides :1Vocabulary :3

[5] SD4.2. The student demonstrates an understanding of the theories regarding the origin and evolution of the universe by recognizing that the Earth is in regular and predictable motion and this motion explains the length of a day and year.

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
Earth's freshwater and atmosphere
Planet Earth (the planet on which we happen to live) spins on an imaginary line called an axis. One spin around on its axis is called a revolution. As the earth rotates, the areas facing the Sun slowly change, and that means the time of day and the temperatures change.The sun is the main energy supply for the water cycle. Read more...iWorksheets :4Study Guides :1Vocabulary :3
The solar system
All planets in our solar system rotate and they all revolve around the Sun. Inner planets: Mercury, Venus, Earth. Outer planets: Jupiter, Saturn, Uranus, Neptune. Comets are made of ice and rock. They have four parts: a nucleus which is the solid portion of the comet and is made of dust and ice, a coma which is a cloud of dust and evaporated gases, an ion tail and a dust tail. Read more...iWorksheets :3Study Guides :1Vocabulary :3

AK.G1. History and Nature of Science (SG1, SG2, SG3, SG4)

[5] SG2.1. The student demonstrates an understanding of the bases of the advancement of scientific knowledge by reviewing and recording results of investigations into the natural world.

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
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
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

AK.SA. Science as Inquiry and Process: A student should understand and be able to apply the processes and applications of scientific inquiry. A student who meets the content standard should:

SA1. Develop an understanding of the processes of science used to investigate problems, design and conduct repeatable scientific investigations, and defend scientific arguments.

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

AK.SB. Concepts of Physical Science: A student should understand and be able to apply the concepts, models, theories, universal principles, and facts that explain the physical world. A student who meets the content standard should:

SB1. Develop an understanding of the characteristic properties of matter and the relationship of these properties to their structure and behavior.

Science worksheets: Solids, liquids and gases.
Solid, liquid, and gas are all states of matter. The molecules in solids are tightly packed together. The molecules in liquids are not as close as those in solids; they have a little more room to move around. The molecules in gases are far apart. Gases can fill any size room or any size container. Read more...iWorksheets :3Study Guides :1Vocabulary :1
Science Worksheets: Chemical and physical changes of matter
A chemical change is a change in which one kind of substance is changed into a different kind of substance. Chemical changes produce substances that were not there when you started. You can’t reverse or undo a chemical change. The substance or object involved in physical change is the same before and after the change (unlike a chemical change). The change is not permanent and can be undone. Read more...iWorksheets :3Study Guides :1Vocabulary :1

SB2. Develop an understanding that energy appears in different forms, can be transformed from one form to another, can be transferred or moved from one place or system to another, may be unavailable for use, and is ultimately conserved.

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

SB3. Develop an understanding of the interactions between matter and energy, including physical, chemical, and nuclear changes, and the effects of these interactions on physical systems.

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
Science Worksheets: Chemical and physical changes of matter
A chemical change is a change in which one kind of substance is changed into a different kind of substance. Chemical changes produce substances that were not there when you started. You can’t reverse or undo a chemical change. The substance or object involved in physical change is the same before and after the change (unlike a chemical change). The change is not permanent and can be undone. Read more...iWorksheets :3Study Guides :1Vocabulary :1

SB4. Develop an understanding of motions, forces, their characteristics and relationships, and natural forces and their effects.

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
Newton's Laws of motion
What is motion? Motion is the process of an object changing its place or its position. Motion is not speed. Speed is the rate an object changes position. Newton's law of motion. Read more...iWorksheets :4Study Guides :1Vocabulary :2

AK.SC. Concepts of Life Science: A student should understand and be able to apply the concepts, models, theories, facts, evidence, systems, and processes of life science. A student who meets the content standard should:

SC2. Develop an understanding of the structure, function, behavior, development, life cycles, and diversity of living organisms.

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

SC3. Develop an understanding that all organisms are linked to each other and their physical environments through the transfer and transformation of matter and energy.

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
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
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

AK.SD. Concepts of Earth Science: A student should understand and be able to apply the concepts, processes, theories, models, evidence, and systems of earth and space sciences. A student who meets the content standard should:

SD1. Develop an understanding of Earth's geochemical cycles.

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
Earth's freshwater and atmosphere
Planet Earth (the planet on which we happen to live) spins on an imaginary line called an axis. One spin around on its axis is called a revolution. As the earth rotates, the areas facing the Sun slowly change, and that means the time of day and the temperatures change.The sun is the main energy supply for the water cycle. Read more...iWorksheets :4Study Guides :1Vocabulary :3

SD2. Develop an understanding of the origins, ongoing processes, and forces that shape the structure, composition, and physical history of the Earth.

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

SD3. Develop an understanding of the cyclical changes controlled by energy from the sun and by Earth's position and motion in our solar system.

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
Earth's freshwater and atmosphere
Planet Earth (the planet on which we happen to live) spins on an imaginary line called an axis. One spin around on its axis is called a revolution. As the earth rotates, the areas facing the Sun slowly change, and that means the time of day and the temperatures change.The sun is the main energy supply for the water cycle. Read more...iWorksheets :4Study Guides :1Vocabulary :3
The solar system
All planets in our solar system rotate and they all revolve around the Sun. Inner planets: Mercury, Venus, Earth. Outer planets: Jupiter, Saturn, Uranus, Neptune. Comets are made of ice and rock. They have four parts: a nucleus which is the solid portion of the comet and is made of dust and ice, a coma which is a cloud of dust and evaporated gases, an ion tail and a dust tail. Read more...iWorksheets :3Study Guides :1Vocabulary :3

AK.SG. History and Nature of Science: A student should understand the history and nature of science. A student who meets the content standard should:

SG1. Develop an understanding that historical perspectives of scientific explanations demonstrate that scientific knowledge changes over time, building on prior knowledge.

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 :1

SG2. Develop an understanding that the advancement of scientific knowledge embraces innovation and requires empirical evidence, repeatable investigations, logical arguments, and critical review in striving for the best possible explanations of the natural world.

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

SG3. Develop an understanding that scientific knowledge is ongoing and subject to change as new evidence becomes available through experimental and/or observational confirmation(s).

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 :1
Standards

NewPath Learning resources are fully aligned to US Education Standards. Select a standard below to view correlations to your selected resource:

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