Grade 6 Chapter 7/8 Vocab.

Erosion is...

• the process by which natural forces move weathered rock and soil from one place to another.

• the process of agents that lay down sediment

• the cycle that shapes the land

• depostion

Deposition occurs where the ….

• natural forces move rock and soil.

• gravity causes mass movement.

• agents of erosion deposit, or lay down, sediment.

• slumps, mudflows, and creeps form.

A continental glaciers can flow ...

• upward

• downward

• and build up a high mountain valley.

• in all directions as they move.

A valley glacier is a long, narrow glacier that...

• moves uphill.

• moves in all directions.

• forms when snow and ice build up high in a mountain valley.

• does not move.

Deflation is the process by which...

• wind removes surface materials.

• a fossil is formed.

• a mountain forms.

• a glacier forms.

Fossils...

• do not exist.

• are found on top of the ground.

• are formed by abrasion.

• are the preserved remains or traces of living things.

Evolution is ...

• the extinction process.

• the change in living things over time.

• the preserved remains.

• fake.

Extinct animals...

• no longer exists and will never live on Earth again.

• live today.

• no past record of extinct animals.

• are the relative age of rocks.

A fault is a ...

• break in Earth's crust

• problem.

• process of moving materials around.

• igneous rock.

Geologists use the law of superposition to determine...

• the absolute age of rocks.

• the kinds of fossils.

• erosion.

• the relative ages of sedimentary rock layers.