What is erosion?

Some of our students answered the question below:

Student 27: A  movement of land caused  by water  wind or rain.
                                                                                                                                       
Anonymous: Wind. water. and sand moving to different places.

Student 32: When wind hits rock and it forms something new.

Student 18: Erosion changes the Earth's surface with the wind or water.

Anonymous #2: Erosion is when the land moves.

Student 20: Erosion is changes by nature to the Earth's surface. It is usually caused by wind or water.

Student 25: Erosion is the changing of land by wind, water, or nature. When the Dust Bowl happened that was because the wind ripped off the grass that was holding in the soil and then after that was ripped away, the dirt rose up and that was all around the air and people had a hard time breathing.

Student 17: The moving of land by water.

Anonymous #3: Erosion is when wind blows through something and it makes a hole.

Student #9: Erosion is something that changes the surface of the land.

Student #29: Erosion is something that can wreck things.

Student #23: Erosion can break roads to make cracks in them. Wind can blow away sand on a rock so it will change shape and size. Erosion is sometimes a cool site. The Grand Canyon was made by erosion.