Glaciers can form steep peaks, lakes, or valleys also called this
What is cirques
100
As plants grow, their ?? can brak rocks apart
What is roots
100
Plant roots produce this kind of acid
What is tannic acid
100
The most important agent of erosion is what?
What is water
100
The flow of water over the Earth's surface is called
What is runoff
200
This often causes potholes in streets
What is ice wedging
200
Mass movement is caused by
What is gravity
200
Plants are a factor in what kind of weathering
What is mechanical and chemical weathering
200
What is the wearing away and removal of rock materials called?
What is erosion
200
water flowing downhill as a thin sheet is called
What is sheet flow
300
The volume of ice is ?? the volume of an equal amount of water
What is greater than
300
This type of mass movement involves soil particles moving slowly downhill
What is creep
300
These two things cause chemical weathering
What is acids and oxygen
300
what produces rocks with smooth, polished surfaces?
What is abrasion
300
streams have water flowing through them ?
What is continuously
400
This causes long scratch marks on flat rock surfaces
What is glacial erosion
400
This is when rock or sediment moves downhill along a curved slope
What is slump
400
Carbon dioxide reacts with water to form
What is carbonic acid
400
A rill turns into a gully once it is at least ?? wide
What is 0.5 meters (feet does not count)
400
Whichever team picked this spot gets a bonus $200 towards their team!
What is Good pick!
500
Rivers formed by glaciers metling in the summer lay down deposits of sand and gravel called
What is outwash
500
5 factors that influence soil formation
What is parent rock, topography, time , climate, and living organisms
500
When this reacts with iron, the iron rusts
What is oxygen
500
The 4 primary agents of erosion are?
What is gravity, ice, wind, and water
500
Explain how a river delta is formed
What is as the river enters a lake or ocean the water slows and sediment is deposited. The sediment is sand and gravel and forms in a V shape called a delta.