Rocks and Minerals

A precious stone that has been cut or polished.

• fossil

• cleavage

• gem

• luster

What is the hardest mineral?

• graphite

• fluorite

• diamond

• gypsum

The characteristic of a mineral to break along smooth, straight lines or into flat sheets is called

• fracture

• streak

• color

• cleavage

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

• Ore

• Crystal

• Gem

• Rock

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

• Luster scale

• Hardness scale

• Moh's scale

• Transmissivity scale

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

• Sedimentary rock
• Igneous Rock
• Mineral
• Sediment

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

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.

An inorganic substance found naturally in the earth is called

• a mineral

• soil

• a rock

• a vein

a substance made of things that were never alive is

• organic

• luster

• synthetic

• inorganic