What Are Rocks? Types of Rocks

What are rocks?

• A material made up of one or more minerals

• The process by which rocks are broken down into smaller pieces

• The color of the powder left behind when you rub a mineral against a white tile called a streak plate 

• A natural, solid material with particles arranged in a repeating pattern

How are rocks classified?

• color

• how they are formed

• size

• shape

What are the 3 types of rocks?

• solid, liquids, gases

• rocks, crystals, minerals

• igneous, sedimentary, metamorphic

• igneous, sediment, metamorphosis

What type of rock forms when melted rock hardens?

• igneous

• sedimentary

• metamorphic

What type of rock is formed by layers of sediments being squeezed and stuck together over a long time?

• igenous

• sedimentary

• metamorphic

Tags

NGSS.MS-ESS1-4

What type of rock is formed because of heat or pressure?

• igneous

• sedimentary

• metamorphic

True or False:

Rocks are broken down into smaller pieces by gases.

• True

• False

In which type of rock are fossils found?

• Igneous

• Sedimentary

• Metamorphic

Tags

NGSS.MS-LS4-1

What kind of rock is Granite?

• igneous

• metamorphic

• layered

• sedimentary

The movement of weathered rock pieces from one place to another is

• weathering

• moving

• erosion

• rocky

Tags

NGSS.MS-ESS2-2