In a desert environment, most erosion is caused by __________.
This type of change is when rocks are broken down or made into small pieces.
weathering
Bonus: The name for all rocks, sand, silt and dirt that has been broken down.
Which of these is an example of how Earth's surface is changed by erosion?
1) A person digs a hole and fills it with water.
2)Water flows down a mountain and over a pile of sand, carrying some of the sand with it.
3) A large boulder falls and lands on a smaller rock, breaking it into many pieces.
4) Water freezes in the cracks of a rock, splitting the rock open.
2) Water flows down a mountain and over a pile of sand, carrying some of the sand with it.
Which type of weathering has the greatest impact in areas with warm climates and lots of rainfall?
chemical weathering
What is the name of the part of the Earth where magma is formed and over 5000 degrees?
What is the inner core
How do glaciers change the earths surface?
A. erosion
B. weathering
C. deposition
D. all of the above
A. erosion, glaciers move over the surface, dragging sediment along the way and creating erosion
Which pictures show landforms created by deposition? Check all that are true.
sand dune
beach
delta
mountain
cliff
beach, sand dune, and delta
This type of change involves tree roots seeping into the ground and making sediment.
Weathering
After a severe storm, rainfall flows down a mountainside, carrying sediment with it. This flowing rainwater will merge with a river. This merging into the river is by a small stream or __________________.
tributary
which layer of the earth is made out of silicon, iron, magnesium, aluminum, oxygen and other minerals.
A farmer has taken the following measures on his farm. •planting tall trees around the edge of his farm
•growing plants that need less plowing
Why do you think he is doing this?
1)He is trying to prevent big animals from destroying his crops.
2)He is trying to prevent a drought.
3)He is trying to make his plants grow faster.
4)He is trying to prevent wind erosion.
5) all of the above
4)He is trying to prevent wind erosion.