Minerals and Rocks Review

Front

What is the Mohs hardness scale?

Back

A scale that ranks ten common minerals based on their hardness, from softest (1) to hardest (10).

Front

What is the hardness of a diamond on the Mohs hardness scale?

Back

10, as it can scratch all other minerals.

Front

What type of rock is granite?

Back

Igneous rock, formed from cooled and hardened magma.

Front

What is foliation in rocks?

Back

The alignment of mineral grains in a rock due to intense heat and pressure, characteristic of metamorphic rocks.

Front

How is sedimentary rock formed?

Back

By the compaction and cementation of rock fragments, minerals, and organic remains.

Front

What does scratching a mineral on a porcelain tile test for?

Back

Streak, which is the color of the powder left behind.

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic.

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 metamorphism?

Back

The process by which existing rocks are transformed into metamorphic rocks through heat, pressure, and chemical processes.

Front

What is the definition of a mineral?

Back

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