Earth Science Unit Review

the eruption of a volcano

the erosion of the walls of a canyon

the uplifting of mountain ranges.

the forming of dunes or mounds in a desert

The breakdown of rocks

The removal of rocks

Neither

the process of disintegration of rock and soil

the processes that involve the movement of soil and rock

Both

Neithr

Yes- They both need to occur for the cycle to continue.

No- They are separate events that occur independently.

construction

farming

raising livestock

all of the above

They cover exposed ground with plastic to prevent wind erosion.

They spray exposed soil with water to prevent wind erosion.

They replace topsoil that has been removed during construction.

All of the above.

It scrapes small particles off large rocks.

It carries plants down mountains and into oceans.

It melts and becomes part of streams and rivers.

It freezes small particles of dirt to form large rocks.

People can drive off-road bikes across the desert.

Ranchers can let their cattle graze in areas with little plant growth.

Construction workers can wet the ground before driving on it or digging.

Farmers can remove all plant material in the soil between planting seasons.

then using cold water will break off more pieces

then using hot water will make the stones change color

then shaking for a longer amount of time will break off more pieces

then shaking for a shorter amount of time will make the rocks change colors

The soil is deep and grows grass on top.

The soil has deep holes in it.

A forest of pin trees grows in the soil.

Pavement is placed on the soil for a road.