Rocks and Minerals Review

Igneous rocks form when __________ cools and hardens

• lava or magma

• mud

• water

• minerals

The two types of igneous rocks are

• internal and external

• inside and outside

• intrusive and extrusive

Extrusive rocks form when lava cools ________ the earth's surface

• above

• below

Instrusive rocks form when magma cools ________ the earth's surface

• above

• below

Point A on the diagram shows the formation of

• lava

• rocks

• extrusive igneous rocks

• intrusive igneous rocks

Point B on the diagram shows the formation of

• lava

• rocks

• extrusive igneous rocks

• intrusive igneous rocks

Intrusive rocks have _______ crystals than extrusive rocks because they have _______ time to grow

• larger; more

• smaller; more

• larger; less

• smaller; less

Tags

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Rocks that are formed from settling particles are

• igneous rocks

• sedimentary rocks

• metamorphic rocks

Tags

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Sediments include

• Fragments from other rocks

• Plant and animal remains

• Minerals that settle out of a solution

• all of the above

Tags

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This picture shows

• chemical weathering (from rain)

• biological weathering (from trees)

• wind erosion

• water erosion

Tags

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