1) Erosion cant be caused by wind or water ? a) true b) false 2) The breaking down of rocks into smaller pieces : a) Erosion b) weathering 3) sometimes erosion can be seen as it happens and sometimes it cannot ? a) true b) false 4) Max think both water and wind can change the shape of land a) True b) False 5) Tiny grains of sand can change the shapes of huge rocks a) True b) False 6) strong wind broke bits of the rocks over time  a) True b) False 7) Blowing sand don't need many years to change the shape of rock, a) True b) False 8) How will the sand mountain change the more you blow on it a) nothing will happened  b) more sand will fall down the mountain 9) if the water is brown and flowing what that tells you ? a) Erosion taking place  b) weathering  taking place 10) The water flowing is brown because its carrying soil  a) True b) False 11) Erosion can make it hard for plant to grow a) True b) False 12) frozen water cant cause erosion a) True b) False 13) what causes landslide ? a) heavy rainfall b) snowfall c) earthquake d) fast melting snow e) All of above 14) Materials carried in a landslide move fast a) True b) false 15) A fast flowing river can cause erosion a) True b) false 16) The Earthquake can cause a lot of damage  a) True b) false 17) what causes weathering ? a) Water just b) Wind just c) Both of them 18) erosion in frozen water when a glacier picks up and breaks a part of rock across the land  a) True b) False 19) How do tiny grains of sand cause big changes in the desert ? a) moving brown water carrying soil b) winds blow sand against tall rocks , the sand cur a rock like a knife 20) The flood make it easy for plant and animal to live  a) True b) False

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