Science Ch. 3-1 Test

Created by MrsHolt 

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18 terms

hardness

A mineral's resistance to being scratched. Moh's scale is used to measure this property.

mineral

A solid element or compound from Earth's crust that has a definite chemical composition and crystal shape.

streak

The color of a mineral in powdered form. Most mineral's powder form are colorless.

luster

The way a mineral reflects light.

cleavage

The tendency of a mineral to break along flat surfaces. Mica has planes that are all in the same direction.

What are the flat, shiny surfaces created by gem cutters called?

facets

What mineral is glass made from?

quartz

What is an identifying property of a mineral (like luster and hardness)?

Color

Pyrite is similar to gold, but they are very different in terms of there what?

hardness

What do computer chips contain?

silicon

concrete

a strong hard building material composed of sand and gravel and cement and water

natural resources

materials found in nature that are used by living things

renewable resources

resources that can be replaced

nonrenewable resources

resources that cannot be replaced

How can you identify an unknown mineral?

Know 2 ways

What are diamonds and where are they found?

A diamond is the hardest mineral and is made of pure carbon. It forms deep underground. They can be found in only a few locations in the world. They are found in stream deposits called placers.

What is the different between renewable and nonrenewable resources?

Renewable resources can be replaced and nonrenewable resources cannot be replaced.

Why are Earth's mineral resources valuable?

Know 2 ways

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