Earth Science SOL Review Sheet #6: Rocks

Which rock is metamorphic and shows evidence of foliation?

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These diagrams show the crystals of four different rocks seen through the same hand lens. Which crystals most likely formed from molten material that cooled and solidified most rapidly?

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Which of these best describes intrusive igneous rocks?

• solidifies from lava, cools quickly, large crystals

• solidifies from lava, cools slowly, small crystals

• solidifies from magma, cools quickly, large crystals

• solidifies from magma, cools slowly, large crystals

Pumice is an igneous rock that can float on water. Which of these is most likely pumice?

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The process in which dissolved minerals crystallize and glue sediment together.

• compaction
• deposition
• organic rock
• cementation

This rock is made from tiny pieces of other rocks that settled to the bottom of a valley millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

What is the name of this igneous rock? This rock is coarse grained, light in color and has potassium feldspar, quartz, plagioclase feldspar, biotite and amphiobole.

• gabbro

• granite

• pumice

• scoria

What is the name of this sedimentary rock? It has rounded fragments embedded in sand.

• conglomerate

• schist

• rock salt

• shale

What is the name of this rock that was formed from heat and pressure? It's nonfoliated and it's parent rock was sandstone.

• conglomerate

• quartzite

• marble

• schist

Which layer of Earth is thinnest?

• Mantle

• Outer Core

• Inner Core

• Crust