Delaware Standards 2nd Grade Science Activities
Printable Second Grade Science Worksheets and Study Guides.
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DE.1. Nature and Application of Science and Technology
1.1. Understandings and Abilities of Scientific Inquiry
Enduring Understanding: Scientific inquiry involves asking scientifically-oriented questions, collecting evidence, forming explanations, connecting explanations to scientific knowledge and theory, and communicating and justifying the explanation.
1.1.A. Understand that: Scientific investigations, whether conducted by students or scientists, involve asking a question about the natural world.1.1.A.1. Be able to: Generate questions and predictions using observations and exploration about the natural world. (Level: Essential)
1.1.C. Understand that: The purpose of accurate observations and data collection is to provide evidence. Scientists use tools to enhance their senses in order to obtain more evidence.1.1.C.1. Be able to: Collect data using observations, simple tools and equipment. Record data in tables, charts, and bar graphs. Compare data with others to examine and question results. (Level: Essential)
1.1.F. Understand that: The use of mathematics, reading, writing, and technology are important in conducting scientific inquiries.1.1.F.1. Be able to: Use mathematics, reading, writing, and technology when conducting an investigation and communicating the results. (Level: Important)
1.2. Science, Technology, and Society
Enduring Understanding: The development of technology and advancement in science influence and drive each other forward.
1.2.B. Tools are useful in science to help gather data for observations and measurements and provide a safe means of conducting an investigation. (Level: Important)
DE.2. Materials and Their Properties
2.1. Properties and Structure of Materials
Enduring Understanding: The structures of materials determine their properties.
2.1.A. Materials can be described and classified according to the following physical properties: size, shape, mass, texture, color, and material composition. Students can observe materials' physical properties by using tools that include rulers, balances, thermometers and hand lenses. (Level: Essential)
2.1.B. Materials exist in one of three states - solid, liquid, or gas. Solids and liquids have easily observable properties and may change from one form to the other. (Level: Essential)
2.1.C. Physical properties of materials can be changed by exposure to water, heat, light, or by cutting, mixing, and grinding. (Level: Essential)
DE.3. Energy and Its Effects
3.1. The Forms and Sources of Energy
Enduring Understanding: Energy takes many forms. These forms can be grouped into types of energy that are associated with the motion of mass (kinetic energy), and types of energy associated with the position of mass and with energy fields (potential energy).
3.1.B. Objects that move (i.e., moving air, moving water) have energy because of their motion. (Level: Important)
3.1.C. Heat energy is a form of energy that makes things warmer. (Level: Important)
3.1.D. Electrical energy is a form of energy that is used to operate many of our tools and appliances. (Level: Compact)
DE.4. Earth in Space
4.1. The Earth/Moon/Sun System
Enduring Understanding: There are observable, predictable patterns of movement in the Sun, Earth, and Moon system that account for day/night.
4.1.B. From Earth many objects may be seen in the sky including the Sun, the Moon, stars, and man-made objects. (Level: Important)
4.1.C. The Sun and Moon appear to move slowly across the sky. (Level: Important)
4.1.D. The pattern of day and night repeats every 24 hours. The Sun can only be seen in the daytime. (Level: Important)
4.1.E. The Moon can be observed sometimes at night and sometimes during the day. (Level: Compact)
4.1.F. The appearance of the Moon changes in a cycle that takes about a month. (Level: Compact)
DE.5. Earth's Dynamic Systems
5.1. Components of Earth
Enduring Understanding: Earth's systems can be broken down into individual components which have observable measurable properties.
5.1.A. Components of Earth's system include minerals, rocks, soil, water and air. These materials can be observed, sorted and/or classified based on their physical properties. (Level: Essential)
5.1.B. Water can exist as a solid, liquid or gas and in different forms such as rain, snow and ice. (Level: Important)
5.1.C. Sand, clay and humus have distinct physical properties and are components of soils. (Level: Essential)
5.1.F. Rocks are natural combinations of minerals. Minerals can be classified according to their physical properties (i.e., luster, color and hardness). (Level: Essential)
5.2. Interactions Throughout Earth's Systems
Enduring Understanding: Earth's components form systems. These systems continually interact at different rates of time, affecting the Earth locally and globally.
5.2.C. Water from rain, lakes, and underground, is needed by plants, animals and people for their everyday activities. (Level: Compact)
5.2.D. Clouds are shaped by winds and are made of small water droplets or ice crystals. Cloud shapes can be used to help forecast weather. (Level: Important)
5.3. Technology and Applications
Enduring Understanding: Technology enables us to better understand Earth's systems. It also allows us to analyze the impact of human activities on Earth's systems and the impact of Earth's systems on human activity.
5.3.B. Weather can be observed, measured and described through the use of simple tools such as a thermometer, rain gauge and wind vane. (Level: Important)
DE.6. Life Processes
6.1. Structure/Function Relationship
Enduring Understanding: Living systems, from the organismic to the cellular level, demonstrate the complementary nature of structure and function.
6.1.A. Plants and animals are similar to and different from each other in observable structures and behavior. These characteristics distinguish them from each other and from nonliving things. (Level: Essential)
6.1.B. Each plant or animal has different structures that serve different functions in growth, survival and reproduction. (Level: Essential)
6.1.C. In animals the skeletal-muscular system provides structure, support and enables movement. (Level: Essential)
6.2. Matter and Energy Transformations
Enduring Understanding: All organisms transfer matter and convert energy from one form to another. Both matter and energy are necessary to build and maintain structures within the organism.
6.2.A. Plants and animals are living things. All living things have basic needs for survival including air, water, food (nutrients), space, shelter, and light. (Level: Essential)
6.2.B. In addition to basic needs for survival, living things have needs specific to the organism such as temperature range and food requirements. (Level: Important)
6.3. Regulation and Behavior
Enduring Understanding: Organisms respond to internal and external cues, which allow them to survive.
6.3.A. Senses help humans and other organisms detect internal and external cues. (Level: Essential)
6.4. Life Processes and Technology Application
Enduring Understanding: The life processes of organisms are affected by their interactions with each other and their environment, and may be altered by human manipulation.
6.4.A. Technology expands the range of human senses. (Level: Compact)
DE.7. Diversity and Continuity of Living Things
7.1. Reproduction, Heredity and Development
Enduring Understanding: Organisms reproduce, develop, have predictable life cycles, and pass on heritable traits to their offspring.
7.1.C. All plants and animals go through a life cycle of birth, growth, development, reproduction, and death. This cycle is predictable and describable, but differs from organism to organism. (Level: Essential)
7.2. Diversity and Evolution
Enduring Understanding: The diversity and changing of life forms over many generations is the result of natural selection, in which organisms with advantageous traits survive, reproduce, and pass those traits to offspring.
7.2.A. Many different kinds of plants and animals live throughout the world. These plants and animals can be grouped according to the characteristics they share. (Level: Compact)
7.3. Technology Applications
Enduring Understanding: The development of technology has allowed us to apply our knowledge of genetics, reproduction, development and evolution to meet human needs and wants.
7.3.A. People use the variety of plants and animals found throughout the world for food, clothing, and shelter (e.g., silk for clothing, wood for building shelters). (Level: Compact)
8.1. Interactions within the Environment
Enduring Understanding: Organisms and their environments are interconnected. Changes in one part of the system will affect other parts of the system.
8.1.A. An interconnectedness exists among the living and nonliving parts of an environment. This interconnectedness can be observed by the changes made by plants and animals in their environment. (Level: Important)
8.1.B. Plants and animals need enough space and resources to survive. Overcrowding leads to an increased need for resources. (Level: Important)
8.2. Energy Flow and Material Cycles in the Environment
Enduring Understandings: Matter needed to sustain life is continually recycled among and between organisms and the environment. Energy from the Sun flows irreversibly through ecosystems and is conserved as organisms use and transform it.
8.2.A. All animals depend on plants. Some animals eat plants for food. Other animals eat animals that have eaten plants. (Level: Important)
8.3. Human Impact
Enduring Understanding: Humans can alter the living and non-living factors within an ecosystem, thereby creating changes to the overall system.
8.3.A. Many natural resources are limited. The amount available can be made to last longer by decreasing the use of some resources or by reusing or recycling certain materials. (Level: Essential)
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