Weathering, Erosion, Deposition and Soil.

1.

Multiple Choice

1 min

1 pt

The natural chemical or physical processes that breaks down rock on Earth's surface.

weathering

erosion

deposition

jackhammering

2.

Multiple Choice

1 min

1 pt

The process by which water, ice, wind or gravity moves weathered rock and soil from one place to another.

weathering

erosion

deposition

dumptruck

3.

Multiple Choice

1 min

1 pt

This type of weathering occurs when rock is physically broken down into smaller pieces of rock.

mechanical weathering

chemical weathering

erosion weathering

deposition

4.

Multiple Choice

1 min

1 pt

This type of weathering occurs when rocks weaken then break down due to chemical changes in the composition of the rock.

mechanical weathering

chemical weathering

erosion weathering

deposition

5.

Multiple Choice

1 min

1 pt

These rocks were made smooth by wind blowing smaller rock particles across their surface. This is an example of:

ice wedging

chemical weathering

acid rain

abrasion

6.

Multiple Choice

1 min

1 pt

These gravestones have slowly broken down and turned a blackish color due to the action of:

ice wedging

abrasion

acid rain

mechanical weathering

7.

Multiple Choice

1 min

1 pt

What is sediment?

the process of rocks being broken down and carried away

bits of rock, sand, and silt caused by the weathering of rocks

the top layer of the soil

decaying plant or animal material

8.

Multiple Choice

20 sec

1 pt

Which of these is an example of erosion

Light Shinning onto a mountain

Rain breaking down rock

Wind blowing away sediment

All of the above

9.

Multiple Choice

45 sec

1 pt

What happens when weathering and erosion work together?

New Mountains are created

The climate changes overnight

Metal objects become rusty

They change the Earth's surface

10.

Multiple Choice

1 min

1 pt

The diagrams shows a natural process that weathers rock.
Which statement best explains why this process results in weathering?

frozen water acts as a solute

water expands when it freezes

the mass of water increases when it freezes

frozen water dissolves most types of rock

11.

Multiple Choice

20 sec

1 pt

Which agents break down earth materials?

wind only

earthquakes and gravity

ice and 007

wind, water, and ice

12.

Multiple Choice

20 sec

1 pt

How does vegetation in the soil affect the rate of erosion?

It doesn't affect erosion.

It decreases erosion.

It increases erosion.

13.

Multiple Choice

1 min

1 pt

What is an enormous mass of ice moving over land?

Ice wedging

Glacier

Iceberg

Dune

14.

Multiple Choice

45 sec

1 pt

Deltas are mainly created by the process of -

deposition

weathering

waves

erosion

15.

Multiple Choice

1 min

1 pt

Rain washing away soil from a hillside

Weathering

Erosion

Deposition

16.

Multiple Choice

1 min

1 pt

Which landform is formed because of the erosion of groundwater?

valley

canyon

channel

cavern

17.

Multiple Choice

1 min

1 pt

What causes a valley to form first?

earthquake

running water

landslide

erosion by wind

18.

Multiple Choice

1 min

1 pt

What force is responsible for erosion and deposition in landslides?

gravity

ice

wind

temperature

19.

Multiple Choice

1 min

1 pt

What is responsible for the formation of sand dunes?

Wind

Water

Gravity

Ice

20.

Multiple Choice

1 min

1 pt

What is a type of mass movement by gravity?

dune

loess

glacier

mudslide

21.

Multiple Choice

30 sec

1 pt

Soil formation begins with the weathering of_______.

Humas

Subsoil

Litter

Rock

22.

Multiple Choice

1 min

1 pt

Decayed organic material in soil is called______.

Litter

Silt

Humus

Clay

23.

Multiple Choice

1 min

1 pt

The layer of soil which the topsoil is found.

Horizon A

Horizon B

Horizon C

Horizon D or R

24.

Multiple Choice

1 min

1 pt

Which horizon is made up of partially weathered rocks?

Horizon A

Horizon B

Horizon C

Horizon D or R

25.

Multiple Choice

1 min

1 pt

In which horizon is most of the HUMUS?

Horizon A

Horizon B

Horizon C

Horizon D or R

26.

Multiple Choice

1 min

1 pt

Which horizon contains clay, silt, minerals, and a little humus?

Horizon A

Horizon B

Horizon C

Horizon D or R

27.

Multiple Choice

1 min

1 pt

The MAIN thing Decomposers do for the the soil is the following:

Store moisture

Burrow deep in the soil

Make space for air and water

Break down and digest dead organisms

28.

Multiple Choice

1 min

1 pt

The two main factors that determine the rate of weathering are the TYPE of rock and_____.

Music

Climate

Size of rock

Weight of rock

29.

Multiple Choice

1 min

1 pt

Which of the following is NOT one of the three types of soil?

clay

sand

silt

mud

30.

Multiple Choice

10 sec

1 pt

Which of the following best describes soil erosion?

A. the breakdown of soil

A. the improvement of soil

A. the addition of soil

A. the movement of soil by wind or water

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