Unit 2

Question 1

The shape of a crystal comes from?

Answer 1

Their Structure

Question 2

What are the most common elements on earth crust?

Answer 2

Oxygen and silicon

Question 3

Mineral definition ( in earth and space)?

Answer 3

A substance that has specific characteristics

Question 4

Every mineral has a specific chemical compound?
(T or F)

Answer 4

True

Question 5

What do geologists use to identify and classify minerals?

Answer 5

Properties(color, texture, etc)

Question 6

What is a native mineral?

Answer 6

The are crystals of a single element

Question 7

The most abundant mineral in earths crust is?

Answer 7

Silicates

Question 8

Size of a crystal is determined by?

Answer 8

How fast the magma cools or hardens

Question 9

What is a silicate made of?

Answer 9

Oxygen and silicon

Question 10

Luster?

Answer 10

a description of the way the mineral reflects light.

Question 11

Transparency?

Answer 11

a measure of the amount of light that the mineral absorbs or allows to pass through.

Question 12

Shape?

Answer 12

A property that is easy to examine is a mineral’s overall shape and how it
normally appears in nature.

Question 13

Color?

Answer 13

a function of the wavelengths of light that the mineral reflects.

Question 14

Streak?

Answer 14

the color of a mineral in its powdered form

Question 15

Cleavage?

Answer 15

is the tendency of a mineral to split along a flat plane.

Question 16

Fracture?

Answer 16

Name for when minerals break

Question 17

Hardness?

Answer 17

the strength of the bonds between atoms within the crystal.

Question 18

Saturation?

Answer 18

full to capacity

Question 19

Precipitate?

Answer 19

something comes out of a saturated solution

Question 20

Crystalize?

Answer 20

harden