Natural Disasters!
ricky
what evidence is there that plates have moved?
Some evidence that plates have moved is, earthquakes. Plates are the big pieces of land that move. The types of movements are tension, shearing, and compression. The type of boundaries are divergent, convergent, and transform.
earthquake
Earthquakes knock things down. One other thing is earthquakes make cracks in the ground and they can also cause a tsunami.
Tsunami
Tsunamis knock things down and can cause flooding. Tsunamis knock houses down, they can also kill people. Tsunamis change the environment by knocking trees down and destroying animals habitats.
Volcano
Volcanoes are good and bad. One reason they are good is when a volcano erupts they can create islands if they are in the ocean. One example is Hawaii, Hawaii was made by a underwater volcano. One reason that volcanoes are bad is because they can kill people.
Erosion
What are the three types of erosion?
The three types of erosion is water, ice, and wind. The type of erosion that makes the largest change is water. It is water because water can make canyons over a very long period of time, the grand canyon was made by water over millions and billions of years. the type of erosion that causes the least amount of change is wind.
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