Erosion Brain Pop

Which agents cause erosion?

What holds sand and soil together against the effects of wind and water?

(a)   occurs when rocks are broken into fragments.

(a)   occurs when those fragments move.

What does erosion create?

How many years does it take erosion to create a canyon?

(a)   are formed by weathering and erosion, too.

(a)   is made by the gradual process of pebbles being broken into smaller and smaller pieces by the motion of waves.

As (a)   move, they slowly but steadily pick up loose materials from the ground.

Pieces of rock caught on the glacier’s surface grind mountain walls and valleys.

(a)   occurs when rock segments are dropped.