Changes in Earth's Surface

Which way can Earth change fast? 

• weathering
• erosion
• volcanoes

__________ is when water or ice breaks down rocks. 

• Erosion
• Weathering
• Deposition

What caused these rocks to change?

• The snow melted. 
• The wind cracked it open.
• The water froze and made cracks.

What is a way to prevent erosion in your backyard? 

• plant trees
• dig holes

Water, ice, and _______ cause slow changes on Earth. 

• tornadoes
• volcanoes
• wind

Which way can Earth change slow?

• erosion
• flood
• earthquakes

Look at the picture. What moved the soil on this river bank? 

• water
• wind
• ice

How did they prevent erosion on this beach? 

• dig holes
• built a wall

Look at the holes in this rock. 
Was this a fast or slow land change?

• fast
• slow

What type of erosion is most common on the beach? 

• erosion by water
• erosion by wind
• erosion by glaciers