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| What happens when you drop a rock into water? |
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| Let's predict. |
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| Scoria, tuff and basalt. |
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| Looking closely. Rocks get darker in water. |
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| Some rocks make bubbles. |
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| Some rocks make bubbles. |
Tuesday, May 21, 2019
2D: Geologists at Work
Our exploration of Pebbles, Sand and Silt continues. Students experimented by putting rocks in water and making observations.
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