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Wedsoil
 

Wedsoil

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    Wedsoil Wedsoil Presentation Transcript

    • Weathering, Erosion, Deposition and Soil Review
    • Question 1
      • True or False: After chemical weathering, the chemical make up of the rock is the same.
    • Answer 1
      • True or False: After chemical weathering, the chemical make up of the rock is the same.
      • False
    • Question 2
      • Which soil layer contains partially weathered rock?
    • Answer 2
      • Which soil layer contains partially weathered rock?
      • C Horizon
    • Question 3
      • What is the loose material on the Earth’s surface that contains humus?
    • Answer 3
      • What is the loose material on the Earth’s surface that contains humus?
      • Soil
    • Question 4
      • Which soil layer is the best for growing plants?
    • Answer 4
      • Which soil layer is the best for growing plants?
      • The A Horizon (Topsoil)
    • Question 5
      • What agent of mechanical weathering wears away rock by the grinding action of other rock particles?
    • Answer 5
      • What agent of mechanical weathering wears away rock by the grinding action of other rock particles?
      • Abrasion
    • Question 6
      • How does ice wedging cause mechanical weathering of rocks?
    • Answer 6
      • How does ice wedging cause mechanical weathering of rocks?
      • By freezing and thawing
    • Question 7
      • The growth of plant roots and animal activity is what type of weathering?
    • Answer 7
      • The growth of plant roots and animal activity is what type of weathering?
      • Mechanical Weathering
    • Question 8
      • What kind of weathering causes the mineral composition of rocks to change?
    • Answer 8
      • What kind of weathering causes the mineral composition of rocks to change?
      • Chemical weathering
    • Question 9
      • A rock containing iron becomes soft and crumbly and reddish-brown in color. It has probably been weathered by what?
    • Answer 9
      • A rock containing iron becomes soft and crumbly and reddish-brown in color. It has probably been weathered by what?
      • Oxygen (oxidation)
    • Question 10
      • How does a hot and wet climate affect the rate of weathering?
    • Answer 10
      • How does a hot and wet climate affect the rate of weathering?
      • It makes it take place faster
    • Question 11
      • What are the most important factors in determining the weathering rate of rocks?
    • Answer 11
      • What are the most important factors in determining the weathering rate of rocks?
      • Climate and mineral composition
    • Question 12
      • How does soil formation begin?
    • Answer 12
      • How does soil formation begin?
      • With the weathering of rock
    • Question 13
      • What is the mixture of rock particles, minerals, decayed organic material, water, and air called?
    • Answer 13
      • What is the mixture of rock particles, minerals, decayed organic material, water, and air called?
      • Soil
    • Question 14
      • What is the decayed organic material in soil called?
    • Answer 14
      • What is the decayed organic material in soil called?
      • Humus
    • Question 15
      • The type of soil called loam is made of what?
    • Answer 15
      • The type of soil called loam is made of what?
      • Nearly equal amounts of sand, silt, and clay
    • Question 16
      • In which layer of soil is topsoil found?
    • Answer 16
      • In which layer of soil is topsoil found?
      • A Horizon
    • Question 17
      • What type of particles does the B Horizon contain?
    • Answer 17
      • What type of particles does the B Horizon contain?
      • Clay, minerals, and a little humus
    • Question 18
      • What do living organisms do in the soil?
    • Answer 18
      • What do living organisms do in the soil?
      • Mix the soil and make humus
    • Question 19
      • What can cause the loss of soil that is not protected by plant cover?
    • Answer 19
      • What can cause the loss of soil that is not protected by plant cover?
      • Erosion by wind or water
    • Question 20
      • Plowing removed the grass from the Great Plains and exposed the soil. What effect did this have when a drought struck the Great Plains during the 1930’s?
    • Answer 20
      • Plowing removed the grass from the Great Plains and exposed the soil. What effect did this have when a drought struck the Great Plains during the 1930’s?
      • It helped to cause the Dust Bowl
    • Question 21
      • What is the solid layer of rock beneath the soil called?
    • Answer 21
      • What is the solid layer of rock beneath the soil called?
      • The Bedrock (R Horizon)
    • Question 22
      • What is another name for the B Horizon?
    • Answer 22
      • What is another name for the B Horizon?
      • Subsoil
    • Question 23
      • What type of weathering occurs when pollutants in the air mix with the water vapor in the air?
    • Answer 23
      • What type of weathering occurs when pollutants in the air mix with the water vapor in the air?
      • Acid Rain
    • Question 24
      • What is the process where sediment is dropped off in a new location?
    • Answer 24
      • What is the process where sediment is dropped off in a new location?
      • deposition
    • Question 25
      • What force causes mass movement?
    • Answer 25
      • What force causes mass movement?
      • gravity
    • Question 26
      • Where does water above ground deposit sediment?
    • Answer 26
      • Where does water above ground deposit sediment?
      • Where the water slows down
    • Question 27
      • What is the name of the cave formation that hangs from the ceiling?
    • Answer 27
      • What is the name of the cave formation that hangs from the ceiling?
      • stalactite
    • Question 28
      • What is the name for the particles that are picked up and moved by wind and water?
    • Answer 28
      • What is the name for the particles that are picked up and moved by wind and water?
      • sediment
    • Question 29
      • What are the natural forces that move weathered rock particles and soil from one place to another?
    • Answer 29
      • What are the natural forces that move weathered rock particles and soil from one place to another?
      • Erosion
    • Question 30
      • How to glaciers cause erosion?
      • They move over land and pick up rocks and boulders
    • Question 31
      • What is a tiny groove in the soil called?
    • Answer 31
      • What is a tiny groove in the soil called?
      • Rill
    • Question 32
      • What is a large groove in the ground that water travels through called?
    • Answer 32
      • What is a large groove in the ground that water travels through called?
      • Gully
    • Question 33
      • Where does wind deposit sediment?
    • Answer 33
      • Where does wind deposit sediment?
      • Where it slows down – sand dunes
    • Question 34
      • How do caves form?
    • Answer 34
      • How do caves form?
      • Chemical weathering by carbonic acid then sediments erode into groundwater and form stalactites and stalagmites as the sediments are deposited
    • Question 35
      • What is groundwater?
    • Answer 35
      • What is groundwater?
      • The term geologists give for water that is underground
    • Question 36
      • What is creep?
    • Answer 36
      • What is creep?
      • A type of mass movement where sediment slowly moves downhill because of gravity
    • Question 37
      • How does wind move sediment?
    • Answer 37
      • How does wind move sediment?
      • By deflation
    • Question 38
      • What is the term for how a glacier picks up sediment?
    • Answer 38
      • What is the term for how a glacier picks up sediment?
      • Plucking
    • Question 39
      • How does water above ground cause erosion?
    • Answer 39
      • How does water above ground cause erosion?
      • Moving water picks up and moves sediments
    • Question 40
      • What are stalagmites?
    • Answer 40
      • What are stalagmites?
      • A cave formation that grows from the cave floor
    • Question 41
      • What is a glacier?
    • Answer 41
      • What is a glacier?
      • A large mass of ice that moves slowly
    • Question 42
      • Where does water below ground deposit sediment?
    • Answer 42
      • Where does water below ground deposit sediment?
      • In cave formations
    • Question 43
      • Where do glaciers deposit sediment?
    • Answer 43
      • Where do glaciers deposit sediment?
      • Where they begin to melt
    • Question 44
      • What is sediment?
    • Answer 44
      • What is sediment?
      • The particles of rock and soil that are moved by erosion
    • Question 45
      • Where does gravity deposit sediment?
    • Answer 45
      • Where does mass movement deposit sediment?
      • At the bottom of the hill