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

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

Home

Open in new tab

Copy link

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?

Multiple Choice

How many depositions happen when a loess form?

• 1

• 2

• 3

• 4

Home

Open in new tab

Copy link

​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

You can open this webpage in a new tab.

Copy link

Open in new tab

Multiple Choice

The correct answer is

• A

• B

• C

• D