Ch. 9 Earth Science Test

Question 1

Fracture is when a mineral breaks in sheets.

Accepted Answer

False

Question 2

A deep vertical shaft produced by volcanoes where diamonds are usually found is called a diamond valley.

Accepted Answer

False

Question 3

What type of chemical compound is found in the oxide family?

Accepted Answer

oxygen and metal

Question 4

An acid test can distinguish which of the following minerals?

Accepted Answer

sulfide

Question 5

Accretion is how crystals break one atom and a time.

Accepted Answer

False

Question 6

Native minerals make up most of the earth's crust.

Accepted Answer

False

Question 7

How many elements are in a native mineral?

Accepted Answer

1

Question 8

What type of chemical compound is found in the carbonate family?

Accepted Answer

metal and carbon

Question 9

What do we call the density of the mineral compared to density of water?

Accepted Answer

Specific Gravity

Question 10

The source of a mineral is called an ore.

Accepted Answer

True

Question 11

What determines a crystal's classification?

Accepted Answer

shape

Question 12

What is type of chemical compound is found in the sulfide family?

Accepted Answer

sulfur and metal

Question 13

What do we call physically combined minerals?

Accepted Answer

mixture

Question 14

A conchoidal fracture is curved at its break.

Accepted Answer

True

Question 15

What is the most reliable way to determine a minerals color?

Accepted Answer

streak test

Question 16

When a mineral breaks in sheets it is called cleavage.

Accepted Answer

True

Question 17

Native minerals that fill veins and occur as nuggets are metals.

Accepted Answer

True

Question 18

What type of chemical compound is usually found in the silicates family?

Accepted Answer

silicon and oxygen

Question 19

Platinum (Pt) is a mixture.

Accepted Answer

False

Question 20

What do we call a mineral composed of more than one chemical element?

Accepted Answer

Compound Mineral

Question 21

A mineral is only a good resource if it is useful.

Accepted Answer

False

Question 22

What does the Mohs scale measure?

Accepted Answer

hardness

Question 23

What do we call metal sediments that wash into streams and beaches?

Accepted Answer

placer deposits

Question 24

Mining can be dangerous to habitats and humans.

Accepted Answer

True

Question 25

The mineral magnetite is antimagnetic.

Accepted Answer

False

Question 26

All minerals have crystal structures.

Accepted Answer

True

Question 27

A mineral rated 10 on the Mohs Scale is considered soft.

Accepted Answer

False

Question 28

Which metal is the best at conducting electricity?

Accepted Answer

Silver

Question 29

What are minerals more commonly known as salts called?

Accepted Answer

Halides

Ch. 9 Earth Science Test

Questions 29

Ch. 9 Earth Science Test

Questions 29