ROCKS REVIEW

16b – classify rocks by their formation (igneous, metamorphic, sedimentary) (GPS)16b1 – explain the rock cycle16b2 – investigate the contributions of minerals to rock composition (GPS)16b3 – discuss the importance of mineral and rock resources to society

PAGE 18

Divide page 18 in your notebook in half (top and bottom).

On the top half, write and answer these questions (be sure to leave room):

1. What are most rocks made up of? 2. How do we use rocks and minerals? 3. How are rocks classified?

PAGE 18

Next, copy this flow chart. Be sure to put details of how the rocks form:

Rocks

Clastic

Chemical

Organic

PAGE 18

Finally, draw and finish labeling the rock cycle:

Igneous

SedimentaryMetamorphic

REVIEW GAME

For each question, confer with your group, and write your answer on your white board.

Be quiet or else you will give away answers! If you talk when Mrs. Wilson is talking, you

will lose points for your team.

QUESTION 1

What type of rocks can igneous rocks change into during the rock cycle?

ANSWER 1

Igneous, sedimentary and metamorphic

QUESTION 2

What is a rock generally made of?

ANSWER 2

Minerals and other materials

QUESTION 3

What will the texture of a rock look like if it has cooled slowly from magma underground?

QUESTION 3

Coarse, large, or medium grains

QUESTION 4

What is the process called that glues sediment together?

ANSWER 4

Cementation

QUESTION 5

Heat can change rocks into metamorphic rocks. Where does the heat come from?

ANSWER 5

Earth’s interior/core

QUESTION 6

What does it mean if a metamorphic rock is nonfoliated?

ANSWER 6

The grains of the rock are arranged randomly

QUESTION 7

True or false: Sandstone (sedimentary) changing into

quartzite (metamorphic) is an example of how sedimentary rocks form.

ANSWER 7

False

QUESTION 8

What is the most common extrusive igneous rock?

ANSWER 8

Basalt

QUESTION 9

What are the five things a substance has to be in order to be considered a mineral?

ANSWER 9

Solid, naturally occurring, inorganic, crystal structure with a definite chemical make up (element or compound)

QUESTION 10

If a rock cools quickly, what will its texture be like?

ANSWER 10

Fine grained or glassy/smooth

QUESTION 11

Where do most metamorphic rocks form?

ANSWER 11

Deep underground

QUESTION 12

The series of processes on the Earth and below the Earth’s surface that slowly changes rock from one kind to another is called what?

QUESTION 12

The rock cycle

QUESTION 13

What is the process where sediment settles out of the wind or water carrying it and stops moving?

ANSWER 13

Deposition

QUESTION 14

What does weathering do?

ANSWER 14

Breaks down rock into smaller pieces

QUESTION 15

You visit a mine and find it has iron ore. What is an ore?

ANSWER 15

An economically useful mineral combined with rock

QUESTION 16

What is the most abundant intrusive rock?

ANSWER 16

Granite

QUESTION 17

List three minerals you see in the classroom right now and what items they make up.

ANSWER 17

Answers will vary

QUESTION 18

Why is ice in your freezer not a mineral but ice in Antarctica is?

ANSWER 18

In your freezer, it’s human made, in Antarctica, it is naturally occurring

QUESTION 19

Why is coal not a mineral?

ANSWER 19

Because it is organic

QUESTION 20

What does the “hardness” of a mineral describe?

ANSWER 20

How easily scratched the mineral can be