The breaking down of rock on Earth's surface into smaller pieces.
What is weathering?
Wind and water can carry sand and small pieces of rock that break down other rocks, this is called
Abrasion
abrasion
physical
What are the 5 Earth Systems?
hydro, bio, atmo, cryso, geo
What is sediment?
Small particles of _____________.
rock
Mountains and other surface features of the land.
What are landforms?
exfoliation
physical
When rain is mixed with a chemical, it is called
acid precipitation/acid rain
A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust
oxidation
Weathering over long periods of time breaks rock into ____________ pieces. (larger or smaller)
What is smaller?
oxidation
chemical
Name a difference between weathering and erosion.
Weathering breaks it, erosion takes it
When water freezes then melts, cracks in the ground expand. What is this called? .
ice wedging or frost wedging
Fast flowing rivers can pick up and carry rocks, which is (chemical/physical) weathering..
What is physical?
water on metal causing it to rust.
chemical
When a rock breaks down as a result of chemicals, this is called.
Chemical Weathering
____________ grow from the top of a cave
What are stalactites
What are 3 agents of physical weathering?
water, wind, gravity, animals, and temperature change
All of the following are forces that change landforms EXCEPT: a. wind b. moving water c. glaciers d. physical features
What is physical features?
What are the 2 processes that result in rocks breaking down?
Physical and Chemical Weathinging
The difference between physical and chemical weathering is: A. Physical weathering just breaks things apart and chemical weathering changes the rocks surface forever. B. Physical weathering breaks things apart and chemical weathering burns rock.
What is A?
___________ grow up from the bottom of the cave
What are stilacmites?