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Weather Test Review
Science Grade 7
Question | Answer |
---|---|
What is the process that breaks down rock and other substances at the Earth's surface? | weathering |
What is the removal of rock particles by wind, water, ice or gravity | erosion |
________________ and erosion work together continuously to wear down and carry away rocks at Earth's surface | weathering |
Which type of weathering is when rock is physically broken into small pieces? | mechanical |
What is a cause of mechanical weathering? | freezing |
True or False: Animal actions are a cause of mechanical weathering | true |
True or False: Animal growth is a cause of mechanical weathering | false |
_________________ is the grinding away of rock by rock particles carried by water, ice, wind or __________. | abrasion, gravity |
_______________ weathering is the process that breaks down rock through chemical changes. | chemical |
Water weathers rock by _______________ it | dissolving |
True or False: Carbon dioxide is a cause of chemical weathering | true |
True or False: Oxygen oxidation is pollution that mixes with rain | false |
True or False: Living Organisms produce a weak acid | true |
True or False: Action of Water is a cause of mechanical weathering | false |