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Earth Science Chapter G2 Test Review Flashcards | StudBud
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Earth Science Chapter G2 Test Review
Earth Science Chapter G2 Test Review
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Weathering and Soil Formation
Flashcards
24 cards
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Questions
24
Answers
1
Soil texture refers to
how dry the soil is
the proportion of different-sized particles in the soil
how soft the soil is
how deep the soil is
2
Mechanical weathering occurs faster in _____ climates.
cold, dry
warm, wet
hot, dry
cold, wet
3
____ prevents erosion by providing cover that reduces water runoff.
no-till farming
terracing
cover crop
contour plowing
4
tropical rain forest
frequent changes in temperature which lead to fertile soil
soil with high salt content that kills plants
low soil temps and little rain which causes soil to form slowly
heavy rain that leaches nutrients from the topsoil
5
The soil conservation technique that prevents erosion on steep hills is called _____.
contour plowing
cover crop
terracing
no-till farming
6
Oxidation occurs when oxygen in the air reacts with iron.
False
True
7
temperate forests have
frequent changes in temperature which leads to fertile soil
heavy rain that leaches nutrients from the top soil
soil with high salt content that kills plants
low soil temps and little rain which causes soil to form slowly
8
Soil structure is
the quality of the soil
the ability of soil to sustain crop growith
how much water the soil holds
the arrangement of soil particles
9
Soil has many benefits, including providing nutrients and water storage for plants and habitat for animals.
False
True
10
Wind blowing sand and silt against rock is called
chemical weathering
oxidation
abrasion
differential weathering
11
Wind, water and gravity are all agents of...
oxidation
mechanical weathering
differential weathering
desertification
12
the layer of rock beneath soil
bedrock
parent rock
humus
daughter rock
13
deserts have
low soil temps and little rain which causes soil to form slowly
frequent changes in temperature which lead to fertile soil
soil with high salt content that kills plants
heavy rain that leaches nutrients from the topsoil
14
The technique that helps restore nutrients to the soil is called...
terracing
cover crop
contour plowing
no-till farming
15
the process by which wind, water and gravity transports soil form one place to another
erosion
chemical weathering
travel
mechanical weathering
16
dark, organic material formed in soil from the decayed remains of plants and animals
mud
mulch
erosion
humus
17
a method to maintain the fertility of the soil by protecting the soil from erosion and nutrient loss
erosion control
acid precipitation
differential weathering
soil conservation
18
The removal of substances that can be dissolved from rock or soil due to rain is called
erosion
leaching
infiltration
land degratation
19
Technique that prevents erosion on sloping hills by heavy rains
cover crop
no-till farming
contour plowing
terracing
20
Sugar dissolving in water is an example of
infiltration
mechanical weathering
differential weathering
chemical weathering
21
Arctic climates...
have low soil temps and little rain which causes soil to form slowly
have soil with a high salt content that kills plants
have frequent changes in temperature which leads to fertile soil
have heavy rain that leaches nutrients from the topsoil
22
Rain, sleet, or snow that contains a high concentration of acids
humus
differential weathering
acid precipitation
erosion
23
Increasing the surface area of a rock will decrease the rate of weathering.
False
True
24
The process by which softer, less weather-resistant rocks wear away and leave harder rocks behind
differential weathering
erosion
humus
soil conservation