Planet Earth quiz #3

Erosion can occur because of glaciers

• True

• False

What is the common type of rock we often eat?

• Granite

• Limestone

• Salt

• Quartz

The building blocks of rock are pure, naturally occurring solid materials called...

• Rock forms

• Particle matter

• Calcite

• Minerals

All rocks are NOT made of minerals.

• True

• False

Currently more than 3500 different minerals are known. However, just _______ minerals combine to make the majority of rocks.

• 3

• 5

• 10

• 23

The 5 minerals that make up the majority of rocks are...

• Calcite, Igneous, Feldspar, Mica, hornblende

• Calcite, Quartz, Feldspar, Mica, hornblende

• Granite, Quartz, Feldspar, Mica, hornblende

• Granite, Quartz, Feldspar, Mica, limestone

_______________ are the features that a material or object has. These features help us identify rocks.

• Properties

• Principles

• Distinguiments

• Identifiers

Explain why knowing just 1 property is not enough to identify types of rocks.

Identify at least 2 of the important properties used to analyze and identify rocks.

The hardness of a rock is measured on the...

• Richter scale

• Vei Scale

• Moh's scale of hardness

• A standard scale