Earth's Surface Part 1

Weathering is.......

• when rocks fall from a cliff to the beach.

• the breaking down of rocks on Earth's surface into smaller pieces.

• when water slows down and drops the rocks and sediment that it carries.

Erosion is.....

• the process of moving weathered rock and soil from one place to another.

• the process of moving water through a stream.

Heavy rain can cause _______ and _________.

• floods and mudslides.

• floods and earthquakes.

Floods can destroy building and speed up the _________ of rock.

• erosion

• deposition

• weathering

Why does a river or stream change shape over time?

• Weathering, erosion, and deposition take place over time.

• Animals make their homes there.

When water freezes it _______.

Cracks in a road that is in a cooler climate will expand or widen over time when __________ ____________.

• rivers flood.

• water freezes.

• erosion occurs.

When waves move sand over beaches, _________ occurs.

• weathering

• erosion

• deposition

Weathering occurs on beaches because waves leave behind sand and bits of other material they carry.

• True

• False

Glaciers can grind over rock and break them in a process called _________.

• deposition

• erosion

• weathering