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Cycles of Nature
Unit 3 cycles of Nature
9
Science
7th Grade
10/28/2011

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Term
Carbon Cycle
Definition
The process in which carbon is exchanged between organisms and the environment.
Term
Water Cycle
Definition
The process by which water moves through the living and non-living parts of the environment.
Term
Nitrogen Cycle
Definition
The process in which nitrogen moves from the non-living parts of the environment to living things and back again.
Term
Spring Tides
Definition
The difference between high and low tides that is greatest. The Earth, Sun and moon are aligned.
Term
Neap Tides
Definition
The difference between high and low tide is the least. The Earth, Sun and moon are aligned at right angles in respect to one another.
Term
Deposition
Definition
Solid material left or lain down by natural processes.
Term
Weathering
Definition
The action of the elements (air and water) altering the color, texture, composition or form of exposed objects. ((Aka erosion))
Term
Tides
Definition
The regular rise and fall in surface level of Earth's ociasn, seas and bays caused by the gravitational attraction of the moon.
Term
Rock Cycle
Definition
The process by which rock is formed (heat, pressure, or weathering) by forces on or within the Earth.
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