Nitrogen
Cycle
Cycle
What is a repeating cycle of processes during which nitrogen moves through both living and non-living things: the atmosphere, soil, water, plants, animals and bacteria?
What is the Nitrogen Cycle.
What is the Phosphorus Cycle.
What is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again?
What is the Carbon Cycle.
What shows the continuous movement of water within the Earth and atmosphere?
What is the Water Cycle.
In another part of the cycle, animals eat plants containing nitrogen, which is again returned to the soil by animal _____, or decaying _____ and _____.
What is waste, plants, and animals.
Phosphorus is NOT found in the free state in nature, but is contained mostly in ________ and _______?
What is Rocks and Minerals.
Plants use CO2 in the process of Photosynthesis to make _________ and _________.
What is Sugar and Oxygen.
Where does atmospheric water go to next?
Where is ground water?
What is it called when bacteria in the soil break down the ammonia into the gaseous form of nitrogen, which is not available for plants and animals?
What is denitrification.
Phosphorous moves between ______ and _______, which are eaten by animals.
What is Soil and Plants.
What are the 3 Fossil Fuels?
What are oil, coal, and natural gas?
What are the two paths the groundwater can take in the Water Cycle?
What is evaporation and the Ocean.
What percentage of our atmosphere is made up of nitrogen gasses?
What is 78%.
Too much water leads to plant ___________, strangling all other forms of life.
What is overgrowth.
Another natural source for CO2 is __________.
What is Volcanoes.
What happens after evaporation?
What is the cancel repeats.
What is the name of the special bacteria that can directly use the nitrogen in our atmosphere and “fix” it so other organisms can benefit?
What is nitroge-fixing.
Some of the __________ in soils can be washed away into our water basins.
What is Phosphours?
In the past, huge deposits of carbon were stored as dead plants and animals _____________.
What is decay?
What happens after water gets to the ocean?
What is evaporation.