Coastal Erosion

What is Erosion?

• When waves lose energy and leave sediments / sand along a coast.
• The wearing away of land, removal of beach rocks/sand by water or wind.
• An area of land that smells different to other places.
• An area that has a lot of wind.
  

What is Deposition?

• When waves lose energy and leave sediments / sand along a coast.
• The wearing away of land, removal of beach rocks/sand by water or wind.
• An area of land that smells different to other places.
• An area that has a lot of wind.

What are destructive waves?

• Waves that are tall and frequent, crashing into shoreline, digging out chunks.
• Long and low waves, beginning far out in the sea, with a smooth gentle landing.
• The circular movement caused by wind and gravity fighting.
• When people wave their hand to aggresively destroy things.

Which feature cannot be seen in this image?

• Stump

• Arch

• Cliff

• Cave

It happens when the waves don't have enough energy to carry sediment.

• Deposition

• Erosion

• Swash

• Backwash

_______ can either form a beach by depositing sand or destroy a beach by eroding the sand.

• waves

• currents

• tides

• all of these

During a hurricane, what affect can the ocean have on the beach? 

• Only the rain from a hurricane affects the land.
• The ocean can wash away much of the beach in a short time.
• The ocean always cleans litter from the beach during a hurricane.
• Only the wind from a hurricane affects the land.

Which process change Earth's surface.

• Erosion

• Deposition

• all above

Sea caves are coastal landform made by

• Erosion

• Deposition

Which erodes quicker?

• Hard rock
• Soft rock