Science 7 Unit E Lesson 3

Rain washing away soil from a hillside is an example of what?

• Weathering

• Erosion

• Deposition

• Compaction

Waves dropping sand on the beach is an example of what?

• Weathering

• Erosion

• Deposition

• Compaction

Caves being formed by acid rain dissolving underground limestone are examples of what?

• Chemical Weathering

• Erosion

• Deposition

• Mechanical Weathering

Deltas forming at the mouths of rivers are examples of what?

• Weathering

• Erosion

• Deposition

• Compaction

Water getting into cracks, freezing, and breaking the rocks or pavement apart is an examples of what?

• Mechanical Weathering

• Erosion

• Deposition

• Chemical Weathering

A pond filling up with sediment and becoming a marsh is an example of what?

• Weathering

• Erosion

• Deposition

• Cementation

What is the major cause of weathering and erosion?

• wind
• ice
• glaciers
• moving water

The process of breaking up rocks on Earth's surface is known as what?

• sediment

• erosion

• weathering

• deposition

What is mechanical weathering?

• Process through which rocks are physically broken into smaller pieces.
• Rocks are broken down through chemical changes.
• Rocks are worn away from acid in plant roots.
• Rocks broken down by machinery.

In which type of climate would weathering happen the fastest to a rock?

• wet and warm
• dry and cold
• wet and cold
• dry and warm