Minerals and Resources

Front

What is coal?

Back

Coal is a hard black mineral found below the earth’s surface, formed from the decayed remains of plants and trees, and is burnt to produce heat.

Front

What is bauxite rich in?

Back

Bauxite is an ore rich in aluminum.

Front

What do we call a rock that contains a useful mineral?

Back

A rock that contains a useful mineral is called an ore.

Front

Which mineral has a hardness of 7?

Back

Quartz has a hardness of 7.

Front

What is gypsum primarily used for?

Back

Gypsum is primarily used for cement mix, sheet rock, or wallboard.

Front

What is a mineral?

Back

A mineral is a naturally occurring inorganic substance with a definite chemical composition and crystalline structure.

Front

What is an ore?

Back

An ore is a type of rock that contains sufficient minerals with important elements including metals that can be economically extracted.

Front

What is the hardness scale used for?

Back

The hardness scale, known as Mohs scale, is used to measure the hardness of minerals.

Front

What is the main use of aluminum extracted from bauxite?

Back

Aluminum is primarily used in the manufacturing of cans, foils, and airplane parts.

Front

What is the difference between a mineral and a rock?

Back

A mineral is a single substance, while a rock is a solid aggregate of one or more minerals.