Rocks And Fossils

Question 1

How do intrusive igneous rocks form?

Answer 1

When magma cools, slowly, inside the earths crust

Question 2

How can you tell this is an intrusive igneous rock?

How can you tell this is an intrusive igneous rock?

Answer 2

This is an intrusive igneous rock because its crystals are big.

Question 3

What do you call a person who studies rocks?

Answer 3

A geologist

Question 4

A river deposits or transports sediments into the sea or body of water?

Answer 4

Deposits

Question 5

Is limestone formed of crushed sea shells ?

Answer 5

Yes

Question 6

What’s 1 example of an extrusive igneous rock?

Answer 6

Basalt

Question 7

What’s 1 example of an intrusive igneous rock?

Answer 7

Granite

Question 8

What’s three differences between an intrusive and extrusive igneous rocks?

Answer 8

Intrusive=1. Form slowly, 2. Big crystals, 3. When magma cools inside the earth’s crust.

Extrusive=1. Form quickly, 2. Small crystals, Forms when lava cools on the earth’s surface.

Question 9

What are the steps of sedimentation

Answer 9

1. Material washed or blown into the sea or a body of water
2. Layers of sediments form
3. Over time the bottom layer turns into rock

Question 10

What are the steps of fossilization

Answer 10

1. Body of animal washed or blown into the sea or body of water
   2.soft parts of body rots
   3.minerals replace bones
   4.minerals harden

Question 11

When layers of sediment form what layer turns into rocks

Answer 11

The bottom layer