Year 8 - Coasts- Key words

1. The movement of material along a coast by waves that approach at an angle to the shore but recede straight down the beach is called...

• Longshore drift
• Erosion
• Deposition
• Weathering

2. What is the type of erosion that occurs when pebbles bang together

• Hydraulic Action
• Attrition
• Abrasion
• Solution

3. I happen when the waves don't have enough energy to carry sediment

• Erosion
• Deposition
• Transportation
• Weathering

4. What is the type of erosion that occurs when pebbles crash against the coast

• Attrition
• Hydraulic Action
• Abrasion
• Solution

5. What is the type of transportation when pebbles are bounced along the sea bed?

• Saltation
• Traction
• Suspension
• Solution

6. What is it called when pebbles are dragged or rolled along the sea bed

• Saltation
• Traction
• Suspension
• Solution

7. What type of weathering occurs when animals and plant roots break down material.

• Physical Weathering
• Chemical Weathering
• Biological Weathering
• Freeze thaw weathering

8. True of false: Chemical weathering is when rocks are heated and expand.

• True
• False

9. True or False: Hydraulic action is when the rock is eroded by the sheer force of waves against it.

• True
• False

10. What does explain mean?

• To weigh up the pros and cons of an issue.
• To explain why
• What, where, when, why and how?
• To argue your point