Wed Ppt Review Cynthia
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Wed Ppt Review Cynthia

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    Wed Ppt Review Cynthia Wed Ppt Review Cynthia Presentation Transcript

    • 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Weathering Mechanical vs. Chemical Erosion 5 Agents Potluck
    • What is the process that breaks down rock and other substances?
    • weathering
    • What is the physical process that breaks down rock into smaller pieces?
    • mechanical weathering
    • What is the process that breaks down rock through chemical changes?
    • chemical weathering
    • What are the two most important factors that determine the rate at which weathering occurs?
    • type of rock and climate
    • In what climate will weathering occur the fastest?
    • hot and wet
    • What is the name given to weathering that occurs as a result of repeated freezing and thawing of water? Double your points if you can tell me the type of weathering this is.
    • frost wedging; mechanical
    • What do we call weathering that occurs as a result of oxygen reacting with water and iron? Double your points if you can tell me the type (mechanical or chemical) of weathering.
    • oxidation; chemical
    • What is the type of weathering that occurs when feldspar turns to clay? Double your points if you can tell me the type of weathering.
    • hydrolysis; chemical
    • What is the type of weathering that occurs as a result of repeated heating and cooling? Double your points if you can tell me the type of weathering.
    • thermal expansion; mechanical
    • How can plants cause both mechanical and chemical weathering?
    • root pry and plant acids
    • What is the movement of particles by wind, water, ice, gravity, or waves?
    • erosion
    • What is the material moved by erosion called?
    • sediment
    • What process must occur before erosion can occur?
    • weathering
    • What agent causes the greatest amount of erosion?
    • water
    • What form of mechanical weathering can be found in most erosion circumstances?
    • abrasion
    • Which agent of erosion includes plucking and abrasion?
    • glaciers
    • Which agent of erosion was responsible for problems in the Dust Bowl?
    • wind
    • Which agent of erosion occurs both above and below ground?
    • water
    • Which agent of erosion involves impact and abrasion?
    • waves
    • Which agent of erosion involves slump, creep, and landslides? Add 200 points if you can tell me what these are types of.
    • gravity; mass movement
    • What occurs when agents of erosion lay down sediment?
    • deposition
    • What type of weathering is acid rain?
    • chemical weathering
    • What is the type of weathering that causes layers of rock to be uploaded as a result of pressure release?
    • exfoliation
    • What do weathering, erosion, and deposition have in common? Add 200 points if you can name more than one similarity.
    • shape and change Earth’s surface; part of a cycle; all have to do with sediment
    • How can weathering, erosion, and deposition happen at the same time? Add 500 points if you can describe a situation that involves more than two.
    • Examples: Wind (erosion, abrasion, deposition) Water (weathering, erosion, abrasion, deposition) Waves (abrasion, erosion, deposition) Glaciers (erosion, abrasion, deposition)