Questions For Plickers: Rocks and Soil * indicates the answer
Chapter 2
How does wind change rocks?
 rubs rocks with sand and wears them down *
 cracks rocks
 picks up rocks
What happens to a hill when a lot of rain falls?
 The rain moves the rocks and soil *
 The rain breaks apart the rocks
 The rain makes the rocks change shape
What can dissolve some parts of rocks?
 Wind
 Water *
 Ice
How does ice change the shape of a rock?
 It becomes part of the rock
 It pushes the rock apart *
 It makes the rock bigger
Which of these is something that causes erosion in land?
 Trees
 Glacier *
 Plants
Which of these is something that causes erosion in land?
 Water *
 Animals
 Trees
What causes large rocks to move?
 A glacier *
 Minerals
 Soil
How long does it take for weathering to change a rock?
 Many days
 Many weeks
 Many years *
What happens when gravity pulls rocks and soil to one place?
 The rocks disappear
 New land is formed *
 A glacier is formed
What is happening in this picture?
 Ice Erosion
 Ice Weathering
*
What is happening in this picture?
 Ice Erosion *
 Ice Weathering
What is happening in this picture?
 Wind Erosion
 Wind Weathering *