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Weathering, Erosion, And Soil
Test Description: Weathering, erosion, soil
Instructions: Answer all questions to get your test result.
1) When iron is oxidized during chemical weathering you get:
A
acid
B
rust
C
none of these
D
tin
2) How many years would it take for the Colorado River to weather and erode the Grand Canyon?
A
thousands of years
B
a few days
C
a few months
D
a few years
3) Weathering and Erosion are what type of forces that change the earth's surface?
A
constructive
B
destructive
C
opposite
D
equal
4) From TOP to BOTTOM, what are the horizons of the soil?
A
topsoil, subsoil, bedrock
B
none of these
C
bedrock, topsoil, subsoil
D
topsoil,bedrock, subsoil
5) Which layer of soil would be the most FERTILE?
A
weathered rock
B
sandy subsoil
C
topsoil with alot of dark humus
D
bedrock
6) The process that carries weathered rock away is known as:
A
erosion
B
weathering
C
acid raining
D
oxidation
7) Which of the following have a negative (bad) impact on the quailty of soil in our environment?
A
farming
B
logging and developing land for houses
C
all of these
D
applying harmful fertilizers and pesticides to crops
8) Which of the following are ways to CONSERVE soil and prevent erosion?
A
all of these
B
low or no till farming
C
planting vegetation
D
terracing or contour plowing
9) Oragnisms like earthworms and bacteria that break down the remains of organisms and recycle soil are BEST known as:
A
none of these
B
herbivores
C
carnivores
D
decomposers
10) Which historical event happened because good soil conservation methods were not being used?
A
none of these
B
Bill Nye was killed in a horrible baking soda and vinegar explosion
C
The sinking of the Titanic
D
The Great Dust Bowl
*select an answer for all questions
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