Rocks and Minerals

Refers to a mineral’s ability to scratch another mineral or be scratched by another mineral.

• Luster

• Hardness

• Streak

• Specific gravity

A mineral that is rare and can be cut and polished, giving it a beautiful appearance

• Ore

• Crystal

• Gem

• Rock

What is the hardest mineral?

• graphite

• fluorite

• diamond

• gypsum

The hardness of a mineral is measured by a scale known as...

• Luster scale

• Hardness scale

• Moh's scale

• Transmissivity scale

What was the purpose of the scratch test?

• to find if the rock contained calcite
• to find the hardness of the mineral 
• to find the color

A canyon is created by ________wearing down rock over thousands of years.

• sun

• plant roots

• a river

• wind

Tags

NGSS.MS-ESS2-2

A _______ would smooth the surface of a rock quicker than lake water.

• rushing river

• wind

• creek

• pond

The freezing and melting of ice breaks down rocks, demonstrating the ______.

• destructive process of weathering.

• constructive process of erosion.

• destructive process of sedimentary.

• constructive process of sedimentation.

Tags

NGSS.MS-ESS2-2

A precious stone that has been cut or polished.

• fossil

• cleavage

• gem

• luster

A __________ is a natural, nonliving substance that makes up rocks. 

• Sedimentary rock
• Igneous Rock
• Mineral
• Sediment

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1