$39.95
The Rock Cycle
Cerebellum
Show your class how minerals form solid deposits known as rocks. They can also learn about the forces that affect formation, such as pressure, temp...
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$39.95
Sunburst Media
$39.95
The Rock Cycle Video Quiz
Cerebellum
How might the ever-changing rock cycle be involved in the creation of a kitchen countertop? Or how ordinary minerals turn into valuable gems? Learn...
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$39.95