Rocks and Minerals Regents Review

Front

What are the three main types of rocks?

Back

Igneous, Sedimentary, Metamorphic.

Front

What is the process of forming sedimentary rocks?

Back

Compaction and cementation of sediments.

Front

How can you determine the hardness of a mineral?

Back

By scratching it against a glass plate.

Front

What does the crystal size of an igneous rock indicate?

Back

The cooling rate during its solidification.

Front

What is cleavage in minerals?

Back

The tendency of a mineral to break along flat surfaces.

Front

What is the definition of luster in minerals?

Back

The way a mineral reflects light, can be metallic or non-metallic.

Front

What is the significance of mineral streak?

Back

The color of the powder left when a mineral is scratched on a streak plate.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive rocks form inside the Earth, extrusive rocks form on the surface.

Front

What is metamorphism?

Back

The process by which existing rocks are changed by heat, pressure, or chemically.

Front

What is the rock cycle?

Back

The continuous process of rock formation and transformation between igneous, sedimentary, and metamorphic rocks.