4th Grade Science Kits:

Birthstone Websites:
http://earthsky.org/?s=birthstone
http://www.americangemsociety.org/birthstones

Earth Materials

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Students used a tape measure and a balance scale to measure the


depth, circumference, diameter, and mass of the rocks.



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Students wore safety glasses and worked with a "pick" to try to take apart their rocks. We saw some

interesting strategies!


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It wasn't easy breaking apart our mock rocks!

Variables
Environments