 | Term | Definition |
| |
rock |
a mixture of minerals such as volcanic glass, organic matter, or other natural materials |
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rock cycle |
a model created by scientists showing how rocks slowly change through time |
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What are some rock-forming minerals? |
quartz, feldspar, mica, or calcite |
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What are the three types of rocks? |
igneous, metamorphis, and sedimentary |
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What is most rock used for? |
building stone |
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How do sedimentary rocks change to metamorphic rocks? |
by heat and pressure |
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How can a metamorphic rock change to an igneous rock? |
by melting and later cooling |
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How can an igneous rock be changed to a sedimentary rock? |
as it is broken into fragments by weathering and erosion, those fragments can later become compact and be cemented together |
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May any rock change into any of the three major rock types? |
yes - they can transform into another rock |
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What may cause rocks to change into small rocks or mineral grains? |
weathering |
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What can carry away rock particles? |
wind, water, or ice |
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What is the principle of conservation? |
though changes take place, matter is never destroyed or created |
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What is an example of a rock? |
granite because it is a mixture of feldspar, mica, quartz, and other minerals |
