Unit 2 Review

Front

What is the term for the rock material deposited by glaciers as they melt and retreat?

Back

Glacial till

Front

What agent of erosion is responsible for landslides, rockfalls, and creep?

Back

Gravity

Front

On a topographic map, how can you identify the point with the highest elevation?

Back

Look for the point with the highest contour line or labeled elevation.

Front

What is the term for the fan-shaped mass of sediment deposited by a stream into an ocean or lake?

Back

Delta

Front

Which arrow indicates the direction of wind that forms a sand dune?

Back

The arrow pointing towards the dune's slope.

Front

Define erosion in the context of geology.

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water.

Front

What is deposition in geological terms?

Back

Deposition is the process by which sediments, soil, and rocks are added to a landform or land mass.

Front

Explain the difference between igneous, sedimentary, and metamorphic rocks.

Back

Igneous rocks form from cooled magma or lava, sedimentary rocks form from compressed sediments, and metamorphic rocks form from existing rocks that are changed by heat and pressure.

Front

What is a floodplain?

Back

A floodplain is an area of land adjacent to a river that is subject to flooding.

Front

What is an alluvial fan?

Back

An alluvial fan is a fan-shaped deposit of sediment formed where a river flows out of a mountain range onto a flatter plain.