Rocks and Minerals

Front

What is a mineral?

Back

A mineral is a solid, naturally formed substance that always has the same composition.

Front

What are the three main types of rocks?

Back

Igneous, metamorphic, and sedimentary.

Front

What is cleavage in minerals?

Back

Cleavage is the property of a mineral that describes how it breaks along smooth, flat surfaces.

Front

What does luster refer to in minerals?

Back

Luster describes how light reflects off the surface of a mineral.

Front

What is the difference between igneous and metamorphic rocks?

Back

Igneous rocks form from cooled magma or lava, while metamorphic rocks form from existing rocks that change due to heat and pressure.

Front

How can color be used to identify minerals?

Back

Color is a physical property that can help identify minerals, but it may not always be reliable due to variations.

Front

What is hardness in minerals?

Back

Hardness is a measure of how resistant a mineral is to being scratched.

Front

What is a sedimentary rock?

Back

Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material.

Front

What is the rock cycle?

Back

The rock cycle is the continuous process of rock formation, breakdown, and reformation.

Front

What is the significance of streak color in minerals?

Back

Streak color is the color of the powder left when a mineral is scratched on a porcelain plate, which can help identify the mineral.