Rocks

Question 1

How are sedimentary rocks formed

Answer 1

Sedimentary rocks are formed by particles of old rocks clumping together and being cemented under great pressure

Question 2

What is weathering

Answer 2

Weathering is the breaking down of rocks by the conditions in the atmosphere

Question 3

How is igneous rock formed

Answer 3

Igneous rock is formed by magma cooling either quickly or slowly to form rock

Question 4

How are metamorphic rocks formed

Answer 4

By extreme heat and pressure condensing the rocks together

Question 5

What are intrusive rocks

Answer 5

Intrusive rocks are rocks that have formed underground

Question 6

What are extrusive rocks

Answer 6

Extrusive rocks are rocks that have formed on the surface

Question 7

Why do sedimentary rocks have layers

Answer 7

Mud and sand being deposited into layers which gets compressed to form solid rock

Question 8

What is erosion

Answer 8

Erosion is the process of carrying weathered material from one place to the other

Question 9

What are agents

Answer 9

What causes rocks to be weathered and eroded

Question 10

What is an example of agents

Answer 10

Ice, wind, water, plants, animals

Question 11

Name the five things that the changes to metamorphic rocks depend on

Answer 11

The type of original rock
The amount of heat the original rock star exposed to
The amount of pressure caused by the rocks above
How quickly the changes take place