Geology by Barbara Murck
Rocks and Minerals by Ann O. Squire
Extreme Rocks and Minerals by the Smithsonian Institution
Vocabulary Added:
sedimentary rock: formed by water settling grains of quartz in layers
metamorphic rock: changed over time by heat and pressure
Discussion:
What is a rock?
How and where rocks form
The rock cycle
Activity:
Go to rock shop. Start a rock collection (use cards from How the Earth Works)
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