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A flood is when large amounts of _____________ quickly cover dry land.
water
What do we call it when small pieces of rock, sand, and soil get dropped in new places?
deposition
The breaking up of rocks by weather or plants is called
weathering
The hole at the top of a volcano is called a
crater
What is a dike?
A long wall built to hold back ocean water
Why would people want to build a dike?
it holds back ocean water so they can make dry ground
When the Earth starts shaking this is an
earthquake
a short wall that is made along rivers out of dirt or rocks
levee
Erosion is when small bits of rock, sand, or soil are ....
removed
What could farmers use as a windbreak?
trees, bushes, or fences
Why would a farmer want to use a windbreak?
it would help protect their fields and crops
How can a volcano change the Earth's surface?
-it can cover things in lava and can burn and kill things
How can an earthquake change the Earth's surface?
it can knock down buildings and trees, it can break roads
How can a flood change the Earth's Surface?
it can cover the dry land quickly with water, knock over trees, and ruin houses
Is a volcano eruption a quick or slow change to the Earth?
quick
Is a landslde a quick or slow change to the Earth?
quick
