Big Red Earth

What does erosion do?

• Break down rock
• changes rock chemically
• changes sediment in rock
• moves broken pieces of rock, or sediment, from one place to another

Beaches that have eroded are reclaimed through____________.

• weathering
• Building of sea walls
• beach nourishment
• building of terraces

A ________________________ structure is built across a river to control its flow.

• dam
• transform
• fault
• storm drain

Volcanoes and earthquakes are both _______________ and ______________ processes because they can destroy AND build up the Earth.

• divergent and destructive
• constructive and destructive
• convergent and divergent
• sediment and weathering

Erosion helps move ___________ from one place in order to deposit it someplace else.

• sediment
• transform
• erosion
• weathering

Farmers use different methods like, ________________ and ______________________ to prevent the loss of soil on their land.

• transform and plates
• divergent and sediment
• contour plowing and terracing
• terracing and erosion

An earthquake is caused by a crack in the crust called a __________.

• fault
• dam
• plates
• transform

Where do deltas form?

• in desert areas
• on the banks of rivers
• at river mouths
• in valleys formed by glaciers

What is an earthquake?

• A sudden movement of the Earth's crust caused by a release of stress accumulated along geological faults or by volcanic activity.
• a.  energy that builds up inside a volcanic mountain
• a.  energy being released when erosion occurs
• a.  molten rock pushing up through Earth's surface.

How do earthquakes form?

• a.  energy from a hurricane or tornado
• a.  energy that builds up inside a volcanic mountain
• a.  energy being released when crustal plates move
• a.  the crust expands due to the heat.