Rocks and Minerals Review

Rocks are made of

• 2 or more chemicals

• 2 or more minerals

Tags

NGSS.MS-PS1-1

A petrologist is a scientist that studies pets.

• True

• False

This layer of the earth is liquid and is where magma comes from.

• core

• mantle

• crust

Metamorphic rocks are formed deep in earth's crust by

• volcanoes

• heat

• sediments

• pressure

The outer solid layer of the earth is called the

• core

• mantle

• crust

When lava or magma cool down and harden it forms

• metamorphic rocks

• sedimentary rocks

• igneous rocks

When weathering happens to rocks they break down and eventually form

• minerals

• soil

• bedrock

• sand

Tags

NGSS.MS-ESS2-2

2 or more minerals make a rock. There are about _________ different minerals found on earth.

• 300

• 3,000

• 3 million

Tags

NGSS.MS-ESS3-1

These rocks are very hard, often shiny, and can have bands of color.

• metamorphic rocks

• sedimentary rocks

• igneous rocks

Soil is different than sand because soil has organic matter in it. What is organic matter?

• dirt

• clay

• manure

• decaying plants and animals