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Earth's Quick and Slow Changes
science
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Slow Change: Rusting and Tarnishing
physical science
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Earth Changes Word Sort
science
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Rusting Is Chemical Change
physical science · 5-PS1-4
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Wetlands and Carbon Storage
weather and climate
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Grades 6–9
Precautionary Principle
earth and space science
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Is Freezing Endothermic or Exothermic
physical science · MS-PS3-4+2
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Forces and Motion
physical science
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Grades 3–6
How Glaciers Erode Land
earth and space science
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Grades 3–5
How Speed Affects Energy
physical science · NGSS 4-PS3-2
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