Unit 2 - Minerals and Rocks Review

Front

What is a rock formed from fragments of other rocks called?

Back

Sedimentary Rock

Front

What type of rock forms from another rock due to changes in heat or pressure?

Back

Metamorphic Rock

Front

If a mineral can be scratched by topaz but not by fluorite, what is its hardness range?

Back

4-8

Front

How does a streak test help in identifying minerals?

Back

Sometimes the streak can be a different color than the mineral's surface color.

Front

What process is indicated by heat and pressure in rock formation?

Back

Metamorphism

Front

What type of rock is formed from the cooling and solidification of magma?

Back

Igneous Rock

Front

What is the process called when sediments are compacted and cemented together?

Back

Lithification

Front

What is the term for the natural process of breaking down rocks and minerals?

Back

Weathering

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive rocks form from magma that cools slowly beneath the Earth's surface, while extrusive rocks form from lava that cools quickly on the surface.

Front

What is the Mohs scale used for?

Back

To measure the hardness of minerals.