Rocks, Weathering, Erosion And Soil

Question 0

Metamorphic forms when

Answer 0

Existing rocks are changed by heat and pressure

Question 1

Three types of rock

Answer 1

Igneous

Metamorphic

Sedimentary

Question 2

Metamorphic rock forms

Answer 2

When existing rocks are changed by heat and pressure

Question 3

Sedimentary rocks are formed when

Answer 3

Existing rocks break down into sediments

Question 4

Weathering is the process

Answer 4

In which materials on or near Earth’s surface break down and change

Question 5

The two types of weathering is

Answer 5

Mechanical and Chemical weathering

Question 6

Pressure

Answer 6

Affects weathering

Question 7

Roots of trees

Answer 7

Put pressure on rocks by wedging themselves into cracks

Question 8

Exfoliation

Answer 8

Rock outer layers stripped away over time

Question 9

Chemical weathering is the process

Answer 9

Where rocks and minerals undergo changes in their composition

Question 10

Acid rain

Answer 10

Caused by human activity- acid causes damage to all

Question 11

Factors influencing chemical weathering

Type or rock

Answer 11

Determines how weathered it can be

Question 12

Factors influencing chemical weathering:

Temperature also influences

Answer 12

How quickly weathering occurs

Question 13

Other influences on rate of weathering

Answer 13

Climate

Rock type/ composition

Surface Area

Topography

Question 14

Igneous rock is found in the

Answer 14

Upper mantle and lower crust

Question 15

Igneous rocks:

Magma cooling and crystallizing uner the earth’s surface

Magma cooling and crystallizing in the earth’s surface

Answer 15

Intrusive and extrusive

Question 16

Metamorphic forms by

Answer 16

Heat and pressure

Question 17

Classify metamorphic rocks

Answer 17

Ciliates- show layers and bands of minerals

Non- foliated- show blocky crystal shapes