Show:
Weathering
Erosion
Deposition
Mystery Box
100
What is the definition of weathering?
The breaking down of rock into sediment.
100
What is the definition of erosion?
The movement of sediment from one place to another.
100
What is the definition of deposition?
Depositing of sediment in a location.
100
How long does weathering, erosion, and deposition take? (Pick an answer). Hours | Months | Years | Days
Years
200
What are the agents/starters of weathering?
Water, wind, ice, plants, and animals
200
What are the agents/starters of erosion?
Gravity, water, ice, wind
200
What is an example of deposition?
Sand deposited on a dune after wind picks it up, etc.
200
The process of ice expanding in cracks of rock is called...
ice wedging
300
Give an example of weathering.
Rain hitting rocks, ice/hail hitting rocks, etc.
300
Give an example of erosion.
Wind moving sand in the desert to form a dune, etc.
300
What is the name of the land mass formed by deposition? (Hint: think about the mouth of a river)
Delta
300
What is the next topic in our science class?
Renewable/Nonrenewable resources
400
What are sediments?
Bits of rock, sand, and silt caused by weathering.
400
What is the name of a natural disaster caused by erosion? (Hint: Rocks falling down)
Landslide
400
What is an example of deposition from the beach?
Sand sits in a new location after waves move it forward.
400
What is a big mass of ice moving over land is called?
Glacier
500
How do plants weather rocks?
Roots grow into cracks and expand.
500
How does ice cause erosion? (2 answers)
Glaciers move themselves, soil, and rock. Glaciers thaw/melt, which adds water.
500
Give an example of how an animal causes deposition.
Bird moves a seed to a new location.
500
Which river in the United States has the largest delta formed? (Hint: think about the video we watched)
Mississippi River