Weathering and Erosion Test Review

Pieces of broken rock, sand, shells, and remains of once living things are called _______________.

• sediment

• minerals

• fossils

• crystals

A _______________ is a deep, narrow valley formed when rivers wear away rock.

• canyon

• mountain

• plateau

• hill

The process that moves weathered rock from one place to another is known as _______________.

• erosion

• deposition

• weathering

• sedimentation

Layers of sediment that form a broad (wide) area of wetland (usually as a result of erosion) is a _______________.

• delta

• mountain

• valley

• plateau

_______________ is the process by which rocks are gradually broken down into smaller pieces.

• weathering

• erosion

• deposition

• compaction

The hardening of sediment into rock is called ____________________.

• Erosion

• Weathering

• Compaction

• Deposition

Over time, sedimentary rock is formed in ________________ by the process of erosion.

• Layers

• Crystals

• Mountains

• Valleys

________________ is the “dropping” of sediments that have been moved by erosion.

• Compaction

• Weathering

• Sedimentation

• Erosion

• Deposition

Which of the following is an example of weathering?

• Layers of sediment forming at the bottom of the ocean

• A fast moving river carries rocks downstream

• When glaciers melt and drop the rocks and sediment they were carrying

• Fast running water causes rocks to hit one another breaking them into smaller rocks

Which of the following is an example of erosion?

• sand is dropped when the wind stops blowing and forms sand dunes

• a mudslide flowing down a steep hill

• waves dropping sand on the beach

• rainwater enters the cracks in a rock, freeze, and causes the rock to break apart