Rock and Minerals

Question 1

A naturally formed, inorganic solid that has a definite crystal line structure

Answer 1

Mineral

Question 2

A naturally occurring solid mixture of one or more minerals or organic matter

Answer 2

Rock

Question 3

A substance that can not be separated or broken down into simpler substances by chemical means

Answer 3

Element

Question 4

A substance made up of atoms of two or more different elements joined by chemical bonds

Answer 4

Compound

Question 5

A solid whose atoms, ions, or molecules are arranged in a definite pattern

Answer 5

Crystal

Question 6

Usually 1st characteristic noticed about a mineral, but not always reliable

Answer 6

Color

Question 7

The way in which a mineral reflects light

Answer 7

Luster

Question 8

The color of the powder of a mineral

Answer 8

Streak

Question 9

The splitting of a mineral along smooth, flat, surfaces

Answer 9

Clevage

Question 10

The tendency of some minerals to break along either curved or irregular surfaces

Answer 10

Fracture

Question 11

The ratio of the mass of a substance to the volume of the substance

Answer 11

Density

Question 12

A natural material whose concentration of economically valuable minerals is high enough for the material to be mined profitably

Answer 12

Ore

Question 13

A shiny surface that does not let light pass through it

Answer 13

Metallic mineral

Question 14

Shiny or dull surfaces and let light pass through them

Answer 14

Non metallic minerals

Question 15

Some nonmetallic minerals, are highly used for their beauty

Answer 15

Gemstones

Question 16

form when hot, molten rock crystallizes and solidifies

Answer 16

Igneous rock

Question 17

Formed from pre-existing rocks or pieces of once-living organisms

Answer 17

Sementary rock

Question 18

Started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form

Answer 18

Metamorphic rock