Questions and Answers
What are the three main types of rock?
sedimentary, metamorphic, and igneous
How are sedimentary rocks formed?
from particles of sand, shells, pebbles, and other fragments of material that accumulate in layers and harden over time
What is a characteristic feature of sedimentary rocks?
they often contain fossils
How are metamorphic rocks formed?
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What are some characteristics of metamorphic rocks?
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Which type of rock is formed from particles of sand, shells, pebbles, and other fragments of material?
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What is the main factor that differentiates the three main types of rock?
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Which type of rock often contains fossils?
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What causes the formation of metamorphic rocks?
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What are the ribbonlike layers often found in metamorphic rocks called?
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