Weathering
What are 2 types o of weathering?
chemical and physical weathering
What is erosion?
Erosion is the carrying away of sand, rocks and sediment to a new location
When does erosion happen in the cycle?
A. before weathering
B. after weathering
C. after deposition
b. after weathering
What comes first, weathering or erosion?
Weathering
What is deposition?
When rocks and sediment are dropped or deposited in a new place.
What is another name for Physical weathering?
Mechanical
Give an example of wind erosion
Wind blowing sand from a sand dune to another location
What is weathering?
Weathering is the process of breaking down and weakening sediments that will be moved by erosion.
What is one thing we can do to help slow down the erosion process?
plant grass or other plants to stop the washing away of soil; build seawalls; or put rocks on hills or between water and land
When does deposition happen in the cycle?
A. Before weathering
B. Before erosion
C. After weathering
D. After erosion
D.
What is an example of chemical weathering?
acid rain, rust
Weathering occurs from these 3 main things:
1. Wind 2. Ice 3. Water
Why can't the cycle of weathering, erosion, and deposition be stopped?
The erosion cycle is part of nature. Humans can't stop it, but we can help slow it down.
Why would a city build a seawall? (Think about Generation Genius video)
Daily Double
To help block the pounding waves and protect the street and houses behind it.
What force pulls pieces of rock or sediment down to a new location on the earth.
Gravity
What is the correct order of the 3 parts of the erosion cycle?
weathering, erosion, deposition
When a volcano has not erupted in a year, but it could possibly erupt again, this is called a ______________________ volcano.
Dormant
Give an example of water erosion
A river carries sediment and small rocks from the riverbanks and carries it all down stream to another place.
Waves carrying sand and sediment from place to place
A sloping restaurant on the grass puts a cement wall along the side of the building and plants some trees Why?
A. To improve the view B. To keep the building from rolling C. To keep the soil in place D. They look nice
C
What is the difference between deposition and erosion?
Erosion takes broken rock and sediment and moves it to a different place.
Deposition is the dropping or depositing of the rock and sediment in the place.
What is BIOLOGICAL weathering?
Weathering caused by living creatures such as: plants, humans, insects and humans
Name 3 volcanoes located in the U.S.
Mt. St. Helens, Kiluea, Mauna Loa, Mt. Hood
What is an example of ice erosion
An example is when a glacier scrapes rock and sediment as it moves down hill, and leaves it in a different location
How can a plant both speed up erosion and weathering and slow it down at the same time?
It can hold the soil together and keep it from sliding down the hill, at the same time, it can break it apart.
A town planted grass and trees around a hill. What part of the erosion cycle were they trying to stop: erosion or deposition?
erosion