Delaware State Standards for Science: Grade 3

DE.1. Nature and Application of Science and Technology

1.1. Enduring Understandings: Scientific inquiry involves asking scientifically-oriented questions, collecting evidence, forming explanations, connecting explanations to scientific knowledge and theory, and communicating and justifying the explanation.

1.1.1. Generate questions and predictions using observations and exploration about the natural world. 18
Suggested Titles for Delaware Science State Standard 1.1.1.

1.1.2. Generate and follow simple plans using systematic observations to explore questions and predictions. 21
Suggested Titles for Delaware Science State Standard 1.1.2.

1.1.3. 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. 20
Suggested Titles for Delaware Science State Standard 1.1.3.

1.1.4. Construct a simple explanation by analyzing observational data. Revise the explanation when given new evidence or information gained from other resources or from further investigation. 18
Suggested Titles for Delaware Science State Standard 1.1.4.

1.1.5. Share simple plans, data, and explanations with an audience and justify the results using the evidence from the investigation. 18
Suggested Titles for Delaware Science State Standard 1.1.5.

1.1.6. Use mathematics, reading, writing, and technology when conducting an investigation and communicating the results. 18
Suggested Titles for Delaware Science State Standard 1.1.6.

1.1.7. Observe and describe changes in the properties of water as it changes from solid to liquid to gas. 6
Suggested Titles for Delaware Science State Standard 1.1.7.

1.1.8. Determine the effect of adding heat energy (warming) or removing heat energy (cooling) on the properties of water as it changes state (gas to liquid to solid, and vice versa). 5
Suggested Titles for Delaware Science State Standard 1.1.8.

1.1.9. Investigate and describe what happens when an object at a higher temperature is placed in direct contact with an object at a lower temperature. Record data and use the data to describe which way the heat energy is moving between the objects. 3
Suggested Titles for Delaware Science State Standard 1.1.9.

1.1.10. Demonstrate that energy of motion can be transferred from one object to another (e.g., moving air transfers energy to make a pinwheel spin). Give examples of energy transfer from one object to another. 20
Suggested Titles for Delaware Science State Standard 1.1.10.

1.1.11. Simulate how bones, muscles and joints in the human body work to transfer energy to objects, making them move. 7
Suggested Titles for Delaware Science State Standard 1.1.11.

1.1.12. Examine rocks in order to observe their composition and describe the many components found in rocks. 13
Suggested Titles for Delaware Science State Standard 1.1.12.

1.1.13. Sort and group an assortment of minerals based on similarities and differences in their physical properties. 9
Suggested Titles for Delaware Science State Standard 1.1.13.

1.1.14. Sort and group minerals based on the physical properties of hardness, color, luster, and reaction to vinegar (weak acid). Use these properties to identify common minerals (quartz, fluorite, calcite, and gypsum). 9
Suggested Titles for Delaware Science State Standard 1.1.14.

1.1.15. Describe water in terms of its observable properties (transparency, shapelessness, flow). 5
Suggested Titles for Delaware Science State Standard 1.1.15.

1.1.16. Examine an assortment of rocks and use appropriate measuring tools (balances, meter tapes, syringes) to gather data about the rocks' physical properties (length, circumference, weight). 3
Suggested Titles for Delaware Science State Standard 1.1.16.

1.1.17. Describe how bones, muscles, and joints function together in humans to enable movement, protection and support. 7
Suggested Titles for Delaware Science State Standard 1.1.17.

1.1.18. Identify the structures of different types of joints (gliding, hinged, ball and socket) and describe the movement enabled by each. Recognize the importance of each type of joint to human movement. 7
Suggested Titles for Delaware Science State Standard 1.1.18.

1.1.19. Compare and contrast the structure and function of the human skeleton to that of other vertebrate animals. 30
Suggested Titles for Delaware Science State Standard 1.1.19.

1.1.20. Conduct simple investigations to determine and describe how different body parts respond to visual, auditory, and tactile stimuli. 24
Suggested Titles for Delaware Science State Standard 1.1.20.

1.1.21. Research and report on common diseases or problems of the muscular and skeletal systems. Explain how these systems can be affected by external factors (i.e., bones can be broken and healed, good nutrition leads to strong bones). 12
Suggested Titles for Delaware Science State Standard 1.1.21.

1.1.22. Observe and describe similarities and differences in the skeleton of an infant to that of an adult human. Recognize that as a human grows and develops the number of bones does not change but the sizes of the bones do change. 7
Suggested Titles for Delaware Science State Standard 1.1.22.

1.1.23. Recognize that there are many different kinds of vertebrates in the world. One way to sort or group vertebrates is according to the structure and function of their skeletons (i.e., bird wings and human arms). 79
Suggested Titles for Delaware Science State Standard 1.1.23.

1.2. Enduring Understandings: The development of technology and advancement in science influence each other and drive each other forward.

1.2.1. Investigate and describe how moving water and air can be used to make objects and machines, such as a waterwheel and windmill, move. 3
Suggested Titles for Delaware Science State Standard 1.2.1.

1.2.2. Identify rocks and minerals as natural resources and list ways that humans use these resources to meet needs and wants (i.e., fluorite for toothpaste, marble for statues). 4
Suggested Titles for Delaware Science State Standard 1.2.2.

1.2.3. Recognize that technology extends the sense of sight for observing bones, muscles and joints in greater detail (i.e., X-Rays). 1
Suggested Titles for Delaware Science State Standard 1.2.3.

1.2.4. Describe the changes to the environment that result from humans obtaining rock and mineral resources (e.g., strip mining). 1
Suggested Titles for Delaware Science State Standard 1.2.4.

1.3. Enduring Understandings: Understanding past processes and contributions is essential in building scientific knowledge.

DE.2. Materials and Their Properties

2.1. Enduring Understandings: The structures of materials determine their properties.

2.1.1. Explore evaporation and condensation. Identify the changes of state from liquid to gas in evaporation and gas to liquid in condensation using water as an example. 4
Suggested Titles for Delaware Science State Standard 2.1.1.

2.1.2. Observe and describe changes in the properties of water as it changes from solid to liquid to gas. 4
Suggested Titles for Delaware Science State Standard 2.1.2.

2.2. Enduring Understandings: People develop new materials as a response to the needs of society and the pursuit of knowledge. This development may have risks and benefits to humans and the environment.

DE.3. Energy and Its Effects

3.1. Enduring Understandings: 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).

3.1.1. Identify heat energy as the energy that makes things warmer. 3
Suggested Titles for Delaware Science State Standard 3.1.1.

3.1.2. Identify electrical energy as a form of energy that is used to operate many of our machines and tools. 8
Suggested Titles for Delaware Science State Standard 3.1.2.

3.2. Enduring Understandings: Changes take place because of the transfer of energy. Energy is transferred to matter through the action of forces. Different forces are responsible for the transfer of the different forms of energy.

3.2.1. Determine the effect of adding heat energy (warming) or removing heat energy (cooling) on the properties of water as it changes state (gas to liquid to solid, and vice versa). 5
Suggested Titles for Delaware Science State Standard 3.2.1.

3.2.2. Investigate and describe what happens when an object at a higher temperature is placed in direct contact with an object at a lower temperature. Record data and use the data to describe which way the heat energy is moving between the objects. 3
Suggested Titles for Delaware Science State Standard 3.2.2.

3.2.3. Demonstrate that energy of motion can be transferred from one object to another (e.g., moving air transfers energy to make a pinwheel spin). Give examples of energy transfer from one object to another. 20
Suggested Titles for Delaware Science State Standard 3.2.3.

3.2.4. Simulate how bones, muscles, and joints in the human body work to transfer energy to objects, making them move. 7
Suggested Titles for Delaware Science State Standard 3.2.4.

3.3. Enduring Understandings: Energy readily transforms from one form to another, but these transformations are not always reversible. The details of these transformations depend upon the initial form of the energy and the properties of the materials involved. Energy may transfer into or out of a system and it may change forms, but the total energy cannot change.

3.4. Enduring Understandings: People utilize a variety of resources to meet the basic and specific needs of life. Some of these resources cannot be replaced. Other resources can be replenished or exist in such vast quantities they are in no danger of becoming depleted. Often the energy stored in resources must be transformed into more useful forms and transported over great distances before it can be helpful to us.

3.4.1. Investigate and describe how moving water and air can be used to make objects and machines, such as a waterwheel and windmill, move. 2
Suggested Titles for Delaware Science State Standard 3.4.1.

DE.4. Earth in Space

4.1. Enduring Understandings: There are observable, predictable patterns of movement in the Earth, Moon, and Sun system that account for day and night.

4.2. Enduring Understandings: Technology expands our knowledge of the Earth, Moon, and Sun System.

DE.5. Earth's Dynamic Systems

5.1. Enduring Understandings: Earth's systems can be broken down into individual components which have observable measurable properties.

5.1.1. Examine rocks in order to observe their composition and describe the many components found in rocks. 14
Suggested Titles for Delaware Science State Standard 5.1.1.

5.1.2. Identify minerals as materials that cannot be physically broken apart any further and may be a rock component. 9
Suggested Titles for Delaware Science State Standard 5.1.2.

5.1.3. Sort and group an assortment of minerals based on similarities and differences in their physical properties. 9
Suggested Titles for Delaware Science State Standard 5.1.3.

5.1.4. Sort and group minerals based on the physical properties of hardness, color, luster, and reaction to vinegar (weak acid). Use these properties to identify common minerals (quartz, fluorite, calcite, and gypsum). 9
Suggested Titles for Delaware Science State Standard 5.1.4.

5.1.5. Describe water in terms of its observable properties (transparency, shapelessness, flow). 5
Suggested Titles for Delaware Science State Standard 5.1.5.

5.2. Enduring Understandings: Earth's components form systems. These systems continually interact at different rates of time, affecting the Earth locally and globally.

5.3. Enduring Understandings: 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.

5.3.1. Examine an assortment of rocks and use appropriate measuring tools (balances, meter tapes, syringes) to gather data about the rocks' physical properties (length, circumference, weight). 3
Suggested Titles for Delaware Science State Standard 5.3.1.

5.3.2. Identify rocks and minerals as natural resources and list ways that humans use these resources to meet needs and wants (i.e., fluorite for toothpaste, marble for statues). 12
Suggested Titles for Delaware Science State Standard 5.3.2.

DE.6. Life Processes

6.1. Enduring Understandings: Living systems demonstrate the complementary nature of structure and function.

6.1.1. Describe how bones, muscles, and joints function together in humans to enable movement, protection and support. 7
Suggested Titles for Delaware Science State Standard 6.1.1.

6.1.2. Identify the structures of different types of joints (gliding, hinged, ball and socket) and describe the movement enabled by each. Recognize the importance of each type of joint to human movement. 7
Suggested Titles for Delaware Science State Standard 6.1.2.

6.1.3. Compare and contrast the structure and function of the human skeleton to that of other vertebrate animals. 30
Suggested Titles for Delaware Science State Standard 6.1.3.

6.1.4. Observe a variety of plants and animals. Compare specific needs that are common to plants or animals of the same group (i.e., all fish need water but some fish need cold water to live and some need warm water to live, all plants need water but some need a humid environment and some need a dry environment). 59
Suggested Titles for Delaware Science State Standard 6.1.4.

6.2. Enduring Understandings: 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.

6.2.1. Explain that humans have basic needs for survival as do other animals. Recognize that, like other animals, these basic needs may be specific, such as range of temperature and nutrients. 64
Suggested Titles for Delaware Science State Standard 6.2.1.

6.3. Enduring Understandings: Organisms respond to internal and external cues, which allow them to survive.

6.3.1. Recognize that muscles move bones in response to signals from the brain. 16
Suggested Titles for Delaware Science State Standard 6.3.1.

6.3.2. Conduct simple investigations to determine and describe how different body parts respond to of visual, auditory, and tactile stimuli. 24
Suggested Titles for Delaware Science State Standard 6.3.2.

6.4. Enduring Understandings: The life processes of organisms are affected by their interactions with each other and their environment, and may be altered by human manipulation.

6.4.1. Research and report on common diseases or problems of the muscular and skeletal systems. Explain how these systems can be affected by external factors (i.e., bones can be broken and healed, good nutrition leads to strong bones). 13
Suggested Titles for Delaware Science State Standard 6.4.1.

DE.7. Diversity and Continuity of Living Things

7.1. Enduring Understandings: Organisms reproduce, develop, have predictable life cycles, and pass on heritable traits to their offspring.

7.1.1. Observe and describe similarities and differences in the skeleton of an infant to that of an adult human. Recognize that as a human grows and develops the number of bones does not change but the sizes of the bones do change. 7
Suggested Titles for Delaware Science State Standard 7.1.1.

7.1.2. Recognize that some insects are considered harmful to humans, plants, and other animals while other insects can be beneficial. Technology allows us to help control the harmful insects (i.e., control of mosquitoes, termites, ticks, etc.). 11
Suggested Titles for Delaware Science State Standard 7.1.2.

7.2. Enduring Understandings: 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.

7.2.1. Recognize that there are many different kinds of vertebrates in the world. One way to sort or group vertebrates is according to the structure and function of their skeletons (i.e., bird wings and human arms). 79
Suggested Titles for Delaware Science State Standard 7.2.1.

7.3. Enduring Understandings: The development of technology has allowed us to apply our knowledge of genetics, reproduction, development and evolution to meet human wants and needs.

7.3.1. Recognize that technology extends the sense of sight for observing bones, muscles and joints in greater detail (i.e., X-Rays). 1
Suggested Titles for Delaware Science State Standard 7.3.1.

DE.8. Ecology

8.1. Enduring Understandings: Organisms and their environments are interconnected. Changes in one part of the system will affect other parts of the system.

8.2. 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.

8.3. Enduring Understandings: Humans can alter the living and non-living factors within an ecosystem, thereby creating changes to the overall system.

8.3.1. Describe the changes to the environment that result from humans obtaining rock and mineral resources (e.g., strip mining). 1
Suggested Titles for Delaware Science State Standard 8.3.1.