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Cycles
Earth cycles of carbon, nitrogen, water, rock
Question | Answer |
---|---|
Plants create this as a waste product in respiration | Oxygen+ |
Coal is made from the remains of once living things such as plants and animals. When burned it becomes | Carbon Dioxide. |
Plants take in Carbon Dioxide, water and sunshine and become producers a process known as | Photosynthesis |
Bacteria living on the root of plants to change nitrogen into | Nitrates |
When burning coal or gasoline, known as fossil fuels, nitrogen is released to the air as | Nitric oxides |
Lightening converts _____ into compounds that then can be washed into the soil by rain. | Nitrogen |
People and animals exhale a gas and play a part in | Respiration |
Formed by decomposing plants and animals | Fossil Fuels |
Our atmosphere is composed of 78% _____. | Nitrogen gas |
Nitrogen gas in the atmosphere is "fixed" by _______. | Lightning and bacteria |
Burning fossil fuels releases more Nitrogen into the atmosphere and contributes to the ______________ effect. | Acid rain |
When water is turned into water vapor | Evaporation |
When clouds form and water vapor turns into liquid water droplets | Condensation |
When water falls to the Earth in the form of rain, snow, sleet or hail | Precipitation |
When water vapor is released back into the atmosphere by plants | Transpiration |
When water runs across the land and collects in rivers, streams and eventually in the ocean | Runoff |
Evaporation is caused by energy from the ____. | Sun |
A region of land drained by a river system | Watershed |
Water passes through this zone | Zone of Aeration |
Water collects in this zone | Zone of Saturation |
The boundary between the zone of aeration and the zone of saturation | Water table |
Where water is stored underground | Aquifer |
Water enters the aquifer through this zone | Recharge Zone |
Ground water flows from ______ to ______ elevation | high, low |
An aquifer must be _______ and _______ in order for water to pass through. | porous, permeable |
_______ is a type of soil that is nonporous and impermeable. | Clay |
When the water table line is equal to the surface of the Earth this can occur | Flooding |
A human made hole that reaches below the water table | Well |
When the water table falls below your well it becomes a | Dry well |