Rocks and Minerals

Front

What is the Streak Test?

Back

A method used to determine the color of a mineral's powder by rubbing it on a hard surface.

Front

What type of rock is formed from heat and pressure beneath the Earth's surface?

Back

Metamorphic rock.

Front

What is the process called when a metamorphic rock becomes an igneous rock?

Back

Melting and cooling.

Front

What type of rock is formed from materials that have settled into layers?

Back

Sedimentary rock.

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 Luster in minerals?

Back

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

Front

What is the Mohs scale?

Back

A scale that ranks minerals based on their hardness from 1 (talc) to 10 (diamond).

Front

What is the difference between igneous and sedimentary rocks?

Back

Igneous rocks form from cooled magma or lava, while sedimentary rocks form from the accumulation of sediments.

Front

What is weathering?

Back

The process of breaking down rocks into smaller pieces by natural forces such as wind, water, and ice.

Front

What is erosion?

Back

The process by which soil and rock are removed from one location and transported to another by natural forces.