Weathering and Erosion Mini

Look at the drawing. What would MOST LIKELY cause the rock to break apart?

• Water freezes in the cracks.

• Wind blows through the cracks.

• Heat forces the rock to crack.

• Earthquakes cause the rock to crack.

The desert sand dunes seen here are created through the processes of

• wind and water.

• erosion and deposition.

• weathering and erosion.

• physical and chemical weathering.

The limestone cave seen here was formed by the action of underground

• earthquakes.

• faulting.

• organisms.

• water.

Bobbie took this picture of the Grand Canyon. How was this canyon MOST LIKELY formed?

• lava

• deposition

• wind erosion

• water erosion

Water freezes in the cracks of rocks and then expands, breaking the rocks apart. This is an example of ___________ weathering.

• biological

• chemical

• erosional

• physical(mechanical)

Weathering is a process that helps make soil. Choose the statement that DOES NOT describe how rocks may be weathered.

• Water fills tiny spaces inside a rock.

• rock pieces are moved from place to place

• Plant roots can grow between cracks in rocks.

• Living things, like moss and lichens, break down rocks.