Unit 4 Test

The process of solidification of magma or lava is known to form:

• gases

• liquids

• minerals

• plasma

What is the process called when minerals are formed due to the evaporation of water in lakes or ponds leaving behind dissolved substances?

• crystallization

• ionization

• condensation

• sublimation

Which of these is not a mineral?

• water

• gold

• quartz

• iron

A mineral is NOT necessarily

• hard.

• derived from non-living material.

• found in nature.

• dark in color.

What is a characteristic feature of minerals?

• color

• weight

• luster

• height

What is the term for the way a mineral reflects light from its surface?

• luster

• fracture

• cleavage

• streak

Which of the following is not a method used to classify minerals?

• color

• density

• smell

• shape

What does the Mohs scale quantify?

• The weight of a mineral.

• The hardness of a mineral.

• The color of a mineral.

• The crystalline structure of a mineral.

What is the hardness level of Diamond on the Mohs scale?

• 10

• 9

• 8

• 7

True or False: All minerals have the same hardness level

• True

• False