WG2U4W2 - Into the Sea Comprehension

What is erosion?

• The buildup of sand on a beach

• The movement of rocks by people

• The process of wind and water wearing away land

• A type of ocean wave

What is the biggest cause of erosion at the beach?

• Earthquakes

• Ocean waves

• Trees falling

• Animal activity

How do strong storm waves affect beaches?

• They build up new sand quickly

• They do not change the beach

• They move a lot of sand quickly

• They only affect small areas

What can happen to houses built too close to the ocean?

• They can sink into the sand

• They can be washed away by erosion

• They become stronger over time

• They help stop erosion

How does erosion affect cliffs?

• It makes them stronger

• It adds new rock to the bottom

• It causes them to crumble and fall into the sea

• It helps trees grow on them

What is one way towns try to stop beach erosion?

• Building houses closer to the water

• Placing sea walls made of large boulders

• Removing sand from the beach

• Allowing strong waves to hit the shore

What happens when waves hit a sea wall?

• The waves speed up

• The waves slow down and carry away less sand

• The waves disappear completely

• The waves get stronger

Why do some towns make rules about where buildings can be placed?

• To keep the ocean from rising

• To make the beach more crowded

• To prevent buildings from being washed away

• To help sand castles last longer

What happens to sand on a beach over time?

• It stays in the same place forever

• It moves away due to waves and wind

• It becomes too heavy to move

• It turns into rock quickly

How does erosion change the Earth?

• It makes beaches and cliffs smaller over time

• It helps form new buildings

• It stops the movement of water

• It makes the ocean disappear