### Showing 18 of 80 activities. To narrow your results, use the filters above.

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- 6–8

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In this activity, students will learn about Earth's four major systems: geosphere, hydrosphere, atmosphere, and biosphere.
- K–5

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In this activity, students will observe how ice melts on wood and metal blocks, and they will draw conclusions about how heat conducts through different materials.
- 6–8

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In this activity, students will create their own windmills and test them in a wind created by a fan.
- K–5

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In this activity, students will examine the behavior of different types of solids when they are dissolved in water and explain those behaviors by examining the properties of the solids.
- K–5

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In this activity, students will learn about the Great Pacific Garbage Patch.
- K–5

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In this activity, students will model the process of heat transfer by convection in Earth's oceans.
- 6–8

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In this activity, students will learn about how human lifestyles cause the greenhouse gas carbon dioxide to be released into the air.
- K–5

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In this activity, students will construct a water wheel with household materials that can be used to lift an object.
- K–5

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In this activity, students will use a glass jar, water, milk, and a flashlight to explain why the sky is blue.
- K–5

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In this activity, students use a stream table to model the processes of erosion and streambed formation.
- K–5

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In this activity, students will be able to describe the water cycle by creating and observing a model.
- K–5

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In this activity, students drop rubber balls in order to observe and measure the effects of elasticity. They use graphs to make predictions for further trials.
- K–5

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In this activity, students will produce different chemical reactions with yeast.
- 6–8

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In this activity, students will create a model of a sloped hillside using sand and simulate conditions that can cause a landslide to occur.
- K–5

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In this activity, students will learn that objects do not always have to be touching to exert a force on each other.
- K–5

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In this activity teams design, build, and test paper helicopters to observe a relationship between blade surface area and descent rate.
- K–5

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In this activity, students will learn the different techniques used to map the ocean, and will practice using those techniques themselves in the classroom.
- K–5

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In this activity, students will place foods in different environments and observe the rate at which those foods decompose.
- 6–8