Rocks And Minerals

Question 1

Any solid mass of minerals or mineral-like matter

Answer 1

Rock

Question 2

Do most rocks occur as one mineral or as a mixture of minerals?

Answer 2

Mixture

Question 3

begins as layers of plant matter accumulate at the bottom of a body of water. For the process to continue the plant matter must be protected from biodegradation and oxidization, usually by mud or acidic water. This trapped atmospheric carbon in the ground in immense peat bogs that eventually were covered over and deeply buried by sediments under which they metamorphosed into this

Answer 3

Coal

Question 4

the largest source of energy for the generation of electricity worldwide.

Answer 4

Coal

Question 5

Rocks can be classified, or put into groups with similar characteristics, by looking at the rocks

Answer 5

Texture, color, mineral, and composition

Question 6

When classifying a rock sample geologists observe the rock’s ______________ and _____________ determine its mineral composition.

Answer 6

Color and texture

Question 7

the size, shape, and pattern of the rock’s grain.

Answer 7

Texture

Question 8

The minerals that make up the different parts of a rock.

Answer 8

Mineral composition

Question 9

the apparent color of the rock, on the inside and the outside.

Answer 9

Color

Question 10

Often, the grains in a rock are large and easy to see. These are called

Answer 10

Corse grains

Question 11

In other rocks, the grains are so small that they can only be seen with a microscope. They are

Answer 11

Fine grained

Question 12

the grain results from the shapes of the crystals that form the rock. What rock does this show up in

Answer 12

Granate

Question 13

smooth and rounded grains, like the fragments cane be found in

Answer 13

Conglomerate

Question 14

jagged grains, like the fragments in what rock

Answer 14

Breccia

Question 15

forms when magma cools and makes crystals.

Answer 15

Ígneous rock

Question 16

hot liquid made of melted minerals.

Answer 16

Magma

Question 17

Eight elements of igneous rock

Answer 17

Silicon, oxygen, aluminum, iron, calcium, sodium, potassium, magnesium

Question 18

Formed on the earths surface from magma

Answer 18

Lava

Question 19

When igneous rocks are formed by magma that cools BENEATH Earth’s surface, they are called

Answer 19

intrusive igneous rocks

Question 20

When igneous rocks are formed by LAVA ON Earth’s surface, they are called

Answer 20

extrusive igneous rocks

Question 21

fine texture, made from lava

Answer 21

Rhyolite

Question 22

Why do you think some rocks are heavier than others?

Answer 22

Some are denser – less air space between particles

Question 23

Sedimentary Rocks can form in 4 ways by:

Answer 23

Erosion
•Deposition
•Compaction
•Cementation

Question 24

form from particles deposited by water and wind

Answer 24

Sedimentary rocks

Question 25

Destructive forces are constantly breaking up and wearing away all the rocks on Earth’s surface
•The forces include heat and cold, rain, waves, and grinding ice
•Erosion occurs when running water or wind loosens and carry away the fragments of rock

Answer 25

Erosion

Question 26

are rocks that have “morphed” into another kind of rock.

Answer 26

Metamorphic rock

Question 27

is a group of changes, this change does not necessarily have to be a chemical change.

Answer 27

The rock cycle

Question 28

Ignis means

Answer 28

Fire

Question 29

There are 5 main
properties that we use to
identify. They are

Answer 29

Color and streak
Luster
Breakage
Hardness
Density

Question 30

known as “Fool’s Gold”) is
always brassy yellow when found in
crystals, even broken crystals, of
any size; but when powdered,
produces a black streak.

Answer 30

Pyrite

Question 31

Gold’s streak is

Answer 31

Yellow

Question 32

streak is blood red

Answer 32

Hematae

Question 33

Streak is grey

Answer 33

Galena

Question 34

is
the way in which light
reflects from the

Answer 34

Luster

Question 35

Two types of luster

Answer 35

Metallic and nonmetallic

Question 36

tendency of a

mineral to break along flat surfaces

Answer 36

Clevage

Question 37

the tendency of a

mineral to break into irregular pieces

Answer 37

Fracture

Question 38

its
resistance to
being scratched.

Answer 38

Hardness

Question 39

A scale known as
the scale

is often use

Answer 39

Moh’s

Question 40

the mass of a given space or in

scientific terms the mass per unit of volume.

Answer 40

Density

Question 41

How do you feel about this test ?

Answer 41

Meh