The process that breaks down rocks and other materials on Earth's surface is called
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  • Weathering
  • Erosion
What is an enormous mass of ice moving over land, causing weathering of rock and soil?
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  • A glacier
  • An iceberg
  • An ice wedge
  • A sand dune
How do plants weather rocks?
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  • Plants don't weather rocks.
  • When roots grow into cracks of rocks and expand the rock breaks.
  • When the plant moves water from the roots to the leaves, the rock breaks.
What is the wearing away or breaking down of rocks called?
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  • Weathering
  • Erosion
  • Glaciers
The process of slowly breaking rocks into smaller pieces is called
  • weathering
  • erosion
The earth's surface is always
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  • the same
  • changing
  • smooth
  • wet
Glaciers are 
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  • the frosting on a cake
  • formed by deltas
  • large sheets of ice on land
  • chunks of ice floating in the ocean
What caused this rock to break apart?
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  • ice
  • plant
  • wind
  • rain
What was sand before it was broken down?
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  • soil
  • rock
  • water
  • cement
What made this landform known as a valley?
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  • Glacier
  • hill
  • deposition
  • rocks
What are the two things that affect how fast or how slow something is weathered?
  • speed and time
  • type of rock and environment
  • environment and minerals
  • temperature and pressure
________Dissolves minerals in rock
  • Acid
  • water
  • chemicals
  • none
Which type of rain causes faster chemical weathering
  • normal rain
  • acid rain
  • diluted rain
What does iron react with in the process of oxidation
  • sulfer
  • dioxide
  • oxygen
In short, the process of oxidation in chemical weathering, is the formation or what?
  • rocks
  • minerals
  • rust
  • dirt
Which type of weathering is more likely to occur in warm, wet climates
  • chemical
  • mechanical
Does rain cause more or less weathering?
  • more
  • less
Which of the following best describes weathering?
  • The process by which rocks are exposed to severe weather
  • The process by which rocks are formed by heat and pressure
  • The mechanical or chemical process by which rocks are broken down
  • The process by which rocks are chemically strengthened due to exposure to heat and pressure
What happens to pieces of rock as they are transported by a river?
  • they get smaller and rounder
  • smaller and more jagged
  • much larger and rounder
  • gets larger and more jagged
Which is an example of oxidation?
  • Rust decomposes rocks completely with the passage of time.
  • Some of the minerals get dissolved in water.
  • The joints enlarge in size and lime is removed in the solution.
  • Due to the absorption of water by rocks, its volume increases.
In which of the following climates will chemical weathering be most rapid?
  • hot and dry
  • cold and dry
  • hot and humid
  • cold and humid
Which of the following is an example of biological weathering?
  • Freeze-thaw
  • Wind blowing sand onto a rock
  • Abrasion due to the movement of glaciers
  • Plant that grows on the cracks of the rocks
Which is not included in the group?
  • abrasion
  • acidification
  • carbonation
  • hydration
Weak organic acids are produced by the action of the growing root of lichens. These acids react with some minerals in rocks resulting in the decomposition of rocks. How will you classify this process?
  • Physical weathering
  • Chemical weathering
  • Biological weathering through physical means
  • Biological weathering through chemical compounds
Which type of rocks tends to weather more rapidly through the hydrolysis process?
  • Rocks that contain iron.
  • Rocks that contain feldspar.
  • Rocks that contain quartz.
  • Rocks that are impermeable.
What are the two things that affect the rate of weathering?
  • rain and ice
  • type of rock and climate
  • time and date
  • size of rock and time of the year
Which of the following best describes chemical weathering?
  • The process by which rocks are broken down by physical forces
  • The process by which rocks are broken down by chemical means
  • The process by which rocks are broken down by anthropogenic activities
  • all of these
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