Water Cycle
Carbon Cycle
Nitrogen Cycle
Phosphorus Cycle
Miscellaneous
100

The chemical formula for Atmospheric Water is known as 

H2O

100

The chemical name and formula for Atmospheric Carbon is known as

Carbon Dioxide (CO2)

100

The Chemical Formula for Nitrogen Gas is known as

N2

100

Phosphorus is needed for molecules such as RNA and _________

DNA

100

The four elements that make up 95 percent of the body in most organisms include oxygen, _______, hydrogen, and nitrogen

Carbon

200

The physical process of Water becoming Atmospheric Water is known as __________

Evaporation

200

The carbon in coal, oil, and natural gas came from....

Dead Organisms

200

NO3 is referred to as __________________

Nitrate

200

The process of phosphate cycling through rocks is known as what type of process? Biological or Geological?

Geological

200

This gas only makes up about 20% of our atmosphere

Oxygen Gas (O2)

300

The process of clouds condensing water in a form such as rain is known as ____________

Precipitation

300

The intake of oxygen and the release of carbon dioxide is known as..

Respiration

300

This is the process by which soil bacteria convert nitrates into nitrogen gas

Denitrification

300

Plants absorb Phosphorus through ________ and water; NOT the atmosphere

Soil

300

This is a key ingredient for all 'Organic' Compounds

Carbon

400

Using the diagram from the Power-Point, groundwater enters the ocean through a process known as _______

Runoff

400

This process uses carbon dioxide to produce glucose

Photosynthesis

400

This is the process of converting atmospheric Nitrogen into soil nitrogen

Nitrogen Fixation

400

Phosphate from _________ sediments are cycled into Phosphate in Rocks

Marine

400

This nutrient is needed for all organisms to build proteins

Nitrogen

500

This is the process in which water evaporates from the leaves of plants

Transpiration

500

The atomic number for Carbon is 

6

500

NO2 is referred to as ___________

Nitrite

500

The atomic number for Phosphorus is__________

15

500

This is the most abundant gas in the Atmosphere

Nitrogen Gas (N2)

M
e
n
u