Water
Land
Challenging Land
Challenging Water
100
True or False. Our Earth can change slowly.
True
100
True or False. A fast change happens over a long period of time?
False
100
True or False. The Earth is a solid ball.
False
100
Is erosion a fast or a slow change?
Slow change
200
Changes that take place during one day are considered slow changes. True or False.
False. Changes take place over a long time.
200
What are two examples of fast changes?
Any two of the following: earthquake, flood, hurricane, tornado, tsunami, volcano, wild fire
200
What are the three layers of the Earth?
The crust, mantle, and core.
200
What are the three types of erosion?
Water, wind, and ice
300
What is the definition of a slow change to the surface of our Earth?
A change that takes place over a VERY long time.
300
When tectonic plates slip it causes an _________.
Earthquake
300
What is the layer of the Earth that we live on?
The crust.
300
Would a hill or mountain get taller or shorter after erosion?
Shorter
400
What is an example of a slow change?
Wind erosion, water erosion, or glacier erosion.
400
How can a wildfire be a good thing?
It makes good soil.
400
What are the two ways our Earth changes?
Fast and Slow
400
Erosion can change rocks. True or False
True
500
What is a glacier?
A huge chunk of ice that moves very slowly.
500
What is the definition of a fast change?
A change that takes place over a short period of time.
500
The part of the earth that we live on is called the _____.
Crust
500
How was the Grand Canyon formed? (one word)
Erosion
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