How Rocks Form
Rocks
Rapid Changes To Earth
100
crust
What is the outer layer of the earth?
100
Rock that forms when molton rock hardens.
What is igneous rock?
100
Sections of earth's crust suddenly come together and move apart.
What is an earthquake?
200
Rock
What is a solid material made up of one or more minerals?
200
Rock that becomes different rock?
What is metamorphic rock?
200
A volcano
What erupts when pressure pushes molton rock?
300
Mineral
What is a solid material that has a definite chemical makeup?
300
Rock that is made up of sand, smaller pieces of rock, and dead animals.
What is sedimentary rock?
300
Molton rock beneath earth's surface.
What is magma?
400
Crust, mantle, core
What are the three layers of earth?
400
Limestone that changes to marble
What is metamorphic rock?
400
Lava
What is molton rock that reaches earth's surface?
500
Is the solid part of earth's surface.
What is the crust?
500
Granite
What changes into gneiss?
500
A volcano erupted in 1980.
What is Mt Saint Helens?
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