G7A U4M2L4 Changing Earth's Surface

​Vocabulary

1. Weathering: the physical or chemical breakdown of rock into sediment.

2. Physical

3. Chemical

4. Erosion: the transport of sediment from one place to another.

5. Deposition: the settling of eroded material.

Multiple Choice

I agree with:

• Cheryl

• Jane

• Marco

Fill in the Blanks

Weathering is caused by _________ and _________ processes

Fill in the Blanks

Plants and animals cause

weathering to happen.

Open Ended

How do water and water and carbonic acid form caves?

Multiple Select

What is the difference between physical and chemical weathering?

• Physical = breaking down a rock without changing its composition.

• Chemical = breaking down a rock without changing its composition.

• Physical = dissolving minerals in a rock and breaking it down by reactions.

• Chemical = dissolving minerals in a rock and breaking it down by reactions.

Multiple Choice

Identify the process responsible for changing Earth’s surface in this image.

Broken Rock.

• Weathering

• Erosion

• Deposition

Multiple Choice

Identify the process responsible for changing Earth’s surface in this image.

Muddy River.

• Weathering

• Erosion

• Deposition

Multiple Choice

Identify the process responsible for changing Earth’s surface in this image.

Blowing Sand.

• Weathering

• Erosion

• Deposition

Multiple Choice

Identify the process responsible for changing Earth’s surface in this image.

Sediment.

• Weathering

• Erosion

• Deposition

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Multiple Select

How strong is weathering, erosion, and deposition at the top of the stream?

• Water has great energy

• Water has less energy

• Fast flowing water and steep slopes cause the most erosion

• Slow flowing water and gentle slope cause less erosion and more deposition

Multiple Select

How strong is weathering, erosion, and deposition at the bottom of the stream?

• Water has great energy

• Water has less energy

• Fast flowing water and steep slopes cause the most erosion

• Slow flowing water and gentle slope cause less erosion and more deposition

Vocabulary

• Loess: wind-deposited silt and clay

• Arch: a curved structure

• Abrasion: becoming smaller due to scratching.

• Scour: brighten the surface of something.

• Bombard: colliding with something.

Multiple Choice

Wind can change earth's surface by weathering, erosion and deposition.

• True

• False

Open Ended

What type of land features are caused by wind erosion and deposition?

Fill in the Blanks

Sand dunes are formed by the

the wind is blowing grains of sand.

Multiple Choice

How many depositions happen when a loess form?

• 1

• 2

• 3

• 4

Fill in the Blanks

The process of

is responsible for grinding rocks to make arches.

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​Vocabulary

1. Glacier: نهر أو جبل جليدي

2. Glacial debris: حُطام جليدي

3. Bulldozer: a power full tractor for clearing land. جرّافة

4. Arete: sharp ridge of rocks between 2 mountains.

5. Cirque: semicircular hollow.

6. Horn: sharp peak.

Open Ended

What forms on Earth's surface as a result of moving glaciers?

Multiple Choice

What happens when sediment eroded by water, ice, and wind slows down or stops moving?

• The sediment is deposited in a new location.

• The sediment continues to erode.

• The sediment instantly turns into soil.

• The sediment mixes with other sediment to become rock

Glacial features - Labelled diagram

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Multiple Choice

The correct answer is

• A

• B

• C

• D