Into the Sea 4.2

What can wash away land?

• ocean waves

• wind

• both ocean waves and wind

What is an island?

• land circled by water

• land near water

• land with no water

Erosion happens when

• things get rotten

• wind and water change the shape of Earth

• there is a lot of sun

What is the biggest cause of erosion at the beach?

• sun

• wind

• waves

What causes strong waves?

• lots of surfers

• big storms

• ocean animals

What happens to the cliffs over time?

• waves carry away small pieces of rock making the cliff weak

• they grow stronger

• they get slimy

Some people build houses near the ocean. Is it true that some buildings may be washed away by the waves?

• yes

• no

• I don't know

Erosion also happens

• when waves crash into the bottoms of cliffs

• when people don't clean up the beach

• when the sun dries out the ocean

How can we stop erosion?

• by staying away from the beach

• by building sea walls of large boulders or rocks

• by building many houses near the shore

According to the text, some towns make rules about

• building sand castles on the beach

• stepping on the sandy beach

• buildings on the beach