Earth Science Test

Deposition is a process that

• Removes sediment from rivers
• Breaks down rock and then moves it
• Removes sediment from landforms
• Drops sediment

Where do deltas form?

• In desert areas
• At river mouths
• On the banks of rivers
• In valleys formed by glaciers

What forms moraines?

• Wind
• Volcanoes
• Rivers
• Glaciers

What is weathering?

• A type of climate
• The movement of sediment
• The breakdown of rock
• The deposition of sediment

What is the purpose of a levee?

• To strengthen dams
• To stop beach erosion
• To prevent flooding
• To start beach erosion

Beaches that have eroded are reclaimed through

• Weathering
• Building of seawalls
• Sand dredging
• Building of terraces

In which type of climate are you most likely to find a sand dune that is not along a beach?

• Dry
• Humid
• Icy
• Hot

What does erosion do?

• Breaks down rock physically
• Moves broken pieces of rock
• Changes rocks chemically
• Changes sediment in rock

Which feature forms from wind deposition?

• Floodplains
• Deltas
• Sand dunes
• Moraine

Which word names a force that pulls pieces of rock downhill?

• Gravity
• Erosion
• Eruption
• Weathering