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cover of grade 4 physical science trainer guide
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How Does Motion Energy Change in a Collision? Grade 4 Physical Science Trainer Guide

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Grade 4
Physical Science
Composite image of stars from the Chandra X-ray Telescope
Video

Explore Smithsonian: How Do Astronomers See the Invisible Parts of the Universe?

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Earth & Space Science
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Explore Smithsonian: How do Scientists use Electricity to Study Fish Populations?

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Life Science
Sustainability
cover of the Motion Energy Grade 4 Physical Science Trainer Guide
Resource

Motion Energy Grade 4 Physical Science Trainer Guide

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Grade 4
Physical Science
Video

Explore Smithsonian: How Do Astronomers See the Invisible Parts of the Universe?

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Grade 3
Grade 4
Grade 5
Grade 6
Grade 7
Grade 8
Earth & Space Science
Video

Explore Smithsonian: How Are Optical Instruments Tested Before Space Flight?

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Earth & Space Science
Title screen for the educational life science game, Morphy.
Game

Morphy

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Life Science