Rocks and Minerals Review

Front

What are metamorphic rocks?

Back

Rocks that have changed because of heat and/or pressure.

Front

What do the properties of a mineral depend on?

Back

The type of mineral.

Front

What does the rock cycle describe?

Back

How rocks change over time, are formed, and are broken down.

Front

Which mineral is the hardest?

Back

Hematite.

Front

Which of the following statements is TRUE?

Back

All of the above: rocks can break down into sediments, new rocks form over time, rocks can change from sedimentary to metamorphic.

Front

What are igneous rocks?

Back

Rocks that form when very hot, 'liquid rock' (magma) cools down enough to solidify.

Front

What are sedimentary rocks?

Back

Rocks formed by hardened layers of rocks, shells, and dead organisms that were worn down by the effects of wind and water.

Front

What is the definition of a mineral?

Back

A naturally occurring, inorganic solid with a definite chemical composition and crystalline structure.

Front

What is the Mohs scale?

Back

A scale used to measure the hardness of minerals.

Front

What is erosion?

Back

The process by which rocks and soil are worn away and transported by natural forces such as wind or water.