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Cycles

Earth cycles of carbon, nitrogen, water, rock

QuestionAnswer
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
Created by: o2clare
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