Small pieces of soil are carried away by the wind.    

• weathering
• erosion
• deposition

The process of moving sediment away from a place is called

• weathering
• erosion
• deposition

Tree roots break apart rocks on the side of a mountain. 

• weathering
• erosion
• deposition

Rain washes away sand from a hillside. 

• weathering
• erosion
• deposition

Water gets into cracks, freezes, and breaks rocks apart.  

• weathering
• erosion
• deposition

Waves dropping sand on the beach.

• weathering
• erosion
• deposition

Which does not cause erosion?

• water
• wind
• sunlight
• ice

What is responsible for breaking rocks into soil, sand, and sediment?

• landforms

• crust

• weathering

• faults

Sand is being pumped from the sea floor onto the beaches. Why would sand be pumped from the sea floor onto the beaches?

• The sand on the beaches wears out.

• Wave action causes erosion of the sand.

• Too much sand is piled into sand dunes.

• Old, dirty sand has to be replaced.

Thousands of years ago, this river flowed across a flat plain. What force caused the deep canyon that the river now flows in?

• deposition by moving water
• erosion by moving water
• erosion by ocean waves
• deposition by ocean waves