alex 7 science unit 4 test

Question 1

matter

Answer 1

Is made of up atoms

Question 2

atoms

Answer 2

Is made up of neutrons and protons

Question 3

mineral

Answer 3

A solid
Made up of crystals
Natural
Inorganic
Definite chemical composition
Solid
Occurring
Crystalline structure

Question 4

Inorganic

Answer 4

No carbon

Question 5

rocks

Answer 5

Made up of minerals

Question 6

How are minerals formed

Answer 6

By cooling magma chambers in the earths crust

Question 7

magma

Answer 7

Inside earths crust

Question 8

lava

Answer 8

Outside earths crust

Question 9

crystal

Answer 9

Regular geometric shape

Smooth surfaces

Question 10

hardness

Answer 10

Measure of how easily a mineral can be scratched

Question 11

diamond

Answer 11

Hardest known mineral

Question 12

fracture

Answer 12

Tendency to break with rough or jagged edges

Question 13

cleavage

Answer 13

Tendency to break along smooth edges

Question 14

mica

Answer 14

Common mineral that breaks along moth surfaces

Question 15

lustre

Answer 15

Reflect on of light from. A minerals surface

Question 16

Mohs scale

Answer 16

Name given to the hardness scale

Question 17

quartz

Answer 17

Common mineral that breaks with jagged edges

Question 18

streak

Answer 18

Color left by powdered mineral on unglazed porcelain

Question 19

talc

Answer 19

One of the softest known minerals

Question 20

Properties of minerals

Answer 20

Lustre
Color
Streak
Hardness
Crystal shape
Breakage

Question 21

element

Answer 21

Pure substance

Question 22

rock

Answer 22

Made up of 1 or more mineral

Question 23

Crystal systems

Answer 23

Cubic
tetragonal
Hexagonal
orthorhombic
monoclinic
triclinic

Question 24

3 types of rocks

Answer 24

igneous
Sedimentary
metamorphic

Question 25

Igneous rock

Answer 25

Formed when hot magma or lava cools and solidifies

Question 26

intrusive

Answer 26

The rock when magma cools and hardens below the earths surface

Question 27

extrusive

Answer 27

The rock when lava cools and hardens above the earths surface

Question 28

Sedimentary rock

Answer 28

The rock on the land that we see

Question 29

sediment

Answer 29

Rocks, grass, dirt,etc.

Question 30

stratification

Answer 30

The visible layers in sedimentary rocks

Question 31

compaction

Answer 31

Squeeze the rocks together using water

Question 32

cementation

Answer 32

Squeeze the rocks together without water

Question 33

metamorphic rock

Answer 33

Rock that has changed form

Question 34

parent rock

Answer 34

The original rock

Question 35

The rock cycle

Answer 35

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