Rocks & Pressure

Question 1

What are rocks made out of?

Answer 1

Grains

Question 2

Rocks can be different what and shapes?

Answer 2

Sizes

Question 3

Grains give rocks what?

Answer 3

Texture

Question 4

As magma traps in small pockets it…

Answer 4

Cool and magma becomes an igneous rock

Question 5

How are igneous rocks formed?

Answer 5

When volcanoes erupt causing the magma to rise above the earths surface and are formed from the lava cooling above the ground

Question 6

If the rock has small crystals it cools down..

Answer 6

Quickly

Question 7

If the rock has large crystals its cooled down ..

Answer 7

Slowly

Question 8

Force = ? x Area

Answer 8

Pressure

Question 9

Pressure = area divided by ?

Answer 9

Force

Question 10

Area = what divided by pressure?

Answer 10

force

Question 11

Sedmentary rocks are what?

Answer 11

Porous

Question 12

Sedimentary rocks are harder or softer than igenous rocks?

Answer 12

Softer

Question 13

All rocks are made up of different what?

Answer 13

Minerals

Question 14

How are metamorphic rocks formed?

Answer 14

when other rocks are deeply squashed or heated under great pressure

Question 15

All of what type of rocks were originally other types of rock

Answer 15

Metamorphic

Question 16

As more layers of rocks build up, the older rocks get pushed were into the earth?

Answer 16

Down

Question 17

Earth what can squeeze the rocks?

Answer 17

Movements

Question 18

Earth movements can squeeze the rocks and raise their what?

Answer 18

Temperature

Question 19

Over a long period of time the rocks can get changed into what type of rock?

Answer 19

Sedimentary

Question 20

Limestone changes into what rock when its heated and squashed

Answer 20

Marble

Question 21

Is Marble a metamorphic rock?

Answer 21

Yes

Question 22

Temperature cause what type of weathering?

Answer 22

Physical

Question 23

The rock what during the day when its hot in physical weathering

Answer 23

Expands

Question 24

What does the rock do when its cold at night in physical weathering

Answer 24

Contract

Question 25

What action can cause physical weathering

Answer 25

Freez-Thaw

Question 26

Rain can cause what type of weathering

Answer 26

Chemical

Question 27

The what in the rain dissolves parts of rock?

Answer 27

Acid

Question 28

Acid rain can be caused by burning what

Answer 28

Fossil Fuels

Question 29

Plant roots can acuse what type of weathering

Answer 29

Biological

Question 30

The plant roots grow into small what in the rocks

Answer 30

Cracks