Erosion and Deposition

Ox-bow lakes are features found along rivers and are formed by a combination of ________________ and _____________

• erosion; deposition

• weathering; erosion

• weathering; deposition

Sediments are -

• large rocks

• very small rocks and dirt

• crystals

• water

Deposition occurs when a river...

• ...begins to flow faster.

• ...begins to flow slower.

• ...carries sediment down stream.

• ...flows around a meander.

What is this landform?

• Spit
• Sand dune
• Stack
• Stump

What is the first stage in a stack formation?

• Arch is formed
• Cave is formed
• Line of weakness in rock
• Stump is formed

Which of these is created by deposition?

• cave

• Sea stack

• bay

• beach

Identify the landform.

• Arch

• Tombolo

• Stack

• Cave

This diagrams shows the movement of material along a coast by waves that approach at an angle to the shore but recede straight down the beach is called...

• Longshore Drift

• Wave currents

• Prevailing drift

• Longshore currents

What ecosystem forms behind a spit?

• Sand Dune
• Salt Marsh
• Coral Reef
• Mangrove

Water gets into cracks of a rock, when the water freezes it breaks up the rock

• Mechanical Weathering
• Chemical Weathering
• Erosion
• Deposition