Lesson 2

Question 1

Naturally occurring inorganic solids.

Answer 1

Minerals

Question 2

Distinctive color used for identification.

Answer 2

Color

Question 3

Color of the mineral in powdered form.

Answer 3

Streak

Question 4

Reflectivity of the mineral’s surface.

Answer 4

Luster

Question 5

Resistance to stretching (measured by Mohs scale).

Answer 5

Hardness

Question 6

Ratio of the mineral’s weight to an equal amount of water.

Answer 6

Specific Gravity

Question 7

Why are minerals considered natural?


Answer 7

They are derived from natural geologic processes.

Question 8

shows the true color of the mineral in powdered form.

Answer 8

streak

Question 9

indicates how much the surface of a mineral reflects light.

Answer 9

Luster

Question 10

What scale is used to measure the hardness of minerals?


Answer 10

Mohs scale

Question 10

measures the ability of a mineral to resist stretching.

Answer 10

Hardness

Question 11

compares the weight of the mineral to the weight of an equal amount of water.

Answer 11

specific gravity

Question 12

5 most common minerals

Answer 12

Quartz, Feldspar, Calcite, Olivine, Chalcopyrite

Question 13

What is quartz used for?

Answer 13

to make jewelry and components in computers

Question 14

uses of feldspar?


Answer 14

making ceramics, pottery, and construction materials.

Question 15

How does feldspar crystallize?

Answer 15

intrusive and extrusive rocks.

Question 16

What is Calcite used for?

Answer 16

to make cements, paints, and glass.

Question 17

In what types of rocks is calcite commonly found?

Answer 17

sedimentary, metamorphic, and igneous rocks.

Question 18

What is olivine commonly used for?

Answer 18

Olivine is used to make high-quality gemstones.

Question 19

What is chalcopyrite a source of?

Answer 19

Copper

Question 20

appearance of chalcopyrite?

Answer 20

Black or gray metallic mineral

Question 21

3 types of rocks

Answer 21

Sedimentary rock, metamorphic rock, igneous rock

Question 22

What rock is formed from pieces of existing rock or organic material?

Answer 22

Sedimentary rock

Question 23

What rock changed from their original form by heat or pressure?

Answer 23

metamorphic rock

Question 24

What rock is formed when molten material cools and solidifies?

Answer 24

igneous rock

Question 25

What are the three types of sedimentary rocks?


Answer 25

Clastic Sedimentary Rock, Organic Sedimentary Rock, Chemical Sedimentary Rock.

Question 25

forms from other pieces of rocks.

Answer 25

Clastic sedimentary rock

Question 26

forms from biological materials.

Answer 26

Organic Sedimentary rock

Question 27

forms from chemical precipitation.

Answer 27

Chemical sedimentary rock

Question 28

formed when existing rocks are changed from their original form by immense heat or pressure.

Answer 28

Metamorphic rock

Question 29

Occurs in areas that have undergone deformation during orogenic events resulting in mountain belts.

Answer 29

Regional metamorphism

Question 29

Pre existing rocks get in contact with heat source

Answer 29

Contact metamophism

Question 30

fine-grained rocks that form through contact metamorphism of non-carbonate rocks.

Answer 30

Non-foliated rocks

Question 31

formed when molten hot material cools and solidifies.

Answer 31

Igneous rocks

Question 32

two types of igneous rocks

Answer 32

Intrusive igneous rocks and extrusive igneous rocks

Question 33

igneous rocks form beneath the surface

Answer 33

Intrusive

Question 34

igneous rocks form on the surface

Answer 34

Extrusive