Rocks and Minerals

What is made of 1 or more minerals?

• fossils

• minerals

• rocks

This type of rock is formed from sediments?

• sedimentary

• igneous

• metamorphic

_______ rock is formed by heat and pressure.

• sedimentary

• igneous

• metamorphic

Which rock type used to be molten rock?

• sedimentary

• igneous

• metamorphic

The process of rocks changing from one type to another is the _________.

• rock rotation

• rock cycle

• fossils

Igneous rocks are divided into two groups, intrusive and extrusive.

• True

• False

All rocks are the same.

• True

• False

To help identify rocks, geologists use a tool called a ____.

• door key

• rock key

• Dichotomous key

• rock guide

This property of a mineral shows a minerals interaction with light.

• hardness

• luster

• streak

• color

Scientists use this to determine the mineral's ability of resist scratching.

• Moh's hardness scale

• luster

• streak

• color