Luci's science rocks Flashcards
organic matter
any substance that is made of living or the remains of living things
humus
the organic part of soil
sediments
solid particles carried from one place and dropped onto another place
weathering
the process of breaking down rock into small pieces
mechanical weathering
breaking down of rock, by wind, water, and ice, that does not change the chemical content of rocks
chemical weathering
a change in minerals as they react with substances in the environment, such as water or oxygen, to change the chemical content of rocks
erosion
the process by which soil and sediments are transferred from one location to another, usually by wind, water, ice and gravity
deposition
the process of adding new sediments to a new place after being carried from another
Why soil is important to living things?
Soil is important to living things because it is the home of certain living things. It also provides nutrients to plants that support oxygen in the atmosphere.
What are the steps of soil formation?
Soil is important to living things because it is the home of certain living things. It also provides nutrients to plants that support oxygen in the atmosphere.
What different types of soil are there, and what are the properties of each?
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What factors affect soil formation?
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What events take place that can change the Earth’s surface?
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What is the difference between weathering and erosion? (Use examples in your answers.)
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What is the difference between the different types of weathering? (Use examples in your answer.)
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