Rock and Mineral

Question 1

Rock

Answer 1

a naturally occurring solid mixture of one or more minerals or organic matter.

Question 2

Mineral

Answer 2

a naturally formed , inorganic solid that has a definite chemical structure

Question 3

Crystal

Answer 3

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

Question 4

Element

Answer 4

a substance that cannot be broken down into simpler substances by chemical means

Question 5

Compound

Answer 5

products formed by chemical reaction between elements

Question 6

Color

Answer 6

the sum of the dark or colored minerals of a rock, expressed as a percentage of the total minerals

Question 7

Luster

Answer 7

the shine of the rock

Question 8

Streak

Answer 8

the color the rock leaves behind

Question 9

Cleavage

Answer 9

the tendency of a mineral to break along flat planar surfaces

Question 10

Fracture

Answer 10

any kind of separation or break in a rock formation

Question 11

Density

Answer 11

the mass of a substance per unit volume

Question 12

Ore

Answer 12

a rock extracted form the Earth using mining

Question 13

Non-Metallic Minerals

Answer 13

are mined for their commercial value, but are not fuel and are not sources of metalic

Question 14

Metallic

Answer 14

minerals minerals mined for there metal

Question 15

Gemstones

Answer 15

a crystalline rock used for it’s beauty

Question 16

Igneous Rock

Answer 16

one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or lava

Question 17

Sedimentary Rock

Answer 17

often deposited in layers, and frequently contain fossils

Question 18

Metamorphic Rock

Answer 18

rock that was once one form of rock but has changed to another under the influence of heat, pressure, or some other agent without passing through a liquid phase

Question 19

Geology

Answer 19

the study of rocks