The land we live on is called Earth, and Earth provides us with everything that we need to survive, making it a very habitable planet for all life forms. However, some things happen that causes huge portions of the Earth surface to wash away or crumble. Sometimes, these things are caused by man’s carelessness, and other times by nature. Teach your kids the three causes of erosion which are air, water, and human. Then, look at the worksheet with them and circle the correct cause of erosion.