Erosion 2

The process by which rocks are broken down chemically or physically is known as:

• Weathering
• Erosion
• Deposition
• Transportation

What is mechanical weathering?

• Process through which rocks are physically broken into smaller pieces.
• Rocks are broken down through chemical changes.
• Rocks are worn away from acid in plant roots.
• Rocks broken down by machinery.

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place
• makes the rocks last longer
• expands cracks and breaks rocks
• causes rocks to fall in landslides

Wind blowing sand from one location to another

• Weathering
• Erosion
• Deposition

Waves dropping sand on the beach

• Weathering 
• Erosion
• Deposition

Water getting into cracks, freezing, and breaking the rocks or pavement apart is called?

• Weathering
• Erosion
• Deposition

What is an enormous mass of ice moving over land, causing weathering of rock and soil?

• A glacier

• An iceberg

• An ice wedge

• A sand dune

How wells dry out?

• ground water is removed slowly than it replaced
• ground water get trapped in an aquifer
• ground water is removed more quickly than it is replaced
• ground water becomes contaminated with pollutants

A(n) ____ is the triangular or fan-shaped deposit of sediment that forms where a river empties into an ocean or lake.

• alluvial fan

• delta

• meander

• drainage basin

 Deposition is a process that

• Dissolves sediment
• Breaks down rock to form sediment
• Removes sediment from land forms
• Drops sediment to form landforms