Science

What is this landform?

• delta

• canyon

• valley

• sand dune

What is this landform?

• delta

• canyon

• valley

• sand dune

Glaciers are masses of ice that move slowly on land. Which of these features was most likely formed by a glacier?

• A wide valley

• A deep ocean

• A lava flow

• A mountain range

Hills formed by wind blowing, moving and depositing sand.

• Valley

• Dune

• Delta

• Canyon

The build up of land by the settlement of sediments and soil in a new location.

• Weathering

• Erosion

• Deposition

• River

The movement of sediment down a fast-moving river.

• Weathering

• Erosion

• Deposition

• River

A large, flat area of land at the mouth of a river formed by the deposition of sediments.

• Canyon
• Erosion
• Landslide
• Delta

Students on a field trip observed a valley and wondered how it was formed. This valley was most likely formed by...

• A rapid series of earthquakes

• Volcanic activity

• A flood with rapidly moving water

• The movement of a glacier

The Grand Canyon is more than 400 km long and in some places almost 2 km deep. Which model best represents the main process that formed the Grand Canyon?

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• 
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Which statement best describes the processes of weathering and erosion?

• Weathering and erosion are directly responsible for the breakdown of any type of rock into smaller particles and the carrying away of the loose sediments

• Weathering and erosion are directly responsible for depositing loose sediments on the bottom of the ocean, forming layers of sediment

• Weathering and erosion are directly responsible for the amount of water in a river that transports sediments to the sea

• Weathering and erosion are directly responsible for the transportation, deposition, and compaction of loose sediments on the seafloor