Energy Cycles

 

 

Carbon Dioxide-Oxygen Cycle

 

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Occurs when producers use CO2 and

release oxygne. Animals then use

oxygen and release CO2

 

 

 

Cell Respiration

 

 

the process of using oxygen to release

energy from food

 

 

 

Water Cycle

 

 

the constant movement of water

 

 

Sun

 

 

the main engine driving the

water cycle

 

 

Evaporation

 

 

 

the process by which liquid water

changes to water vapor

 

 

Condensation

 

 

the process in which water vapor

changes to liquid water

 

 

Precipitation

 

 

the process by which water from

clouds falls back to Earth

(rain, snow, sleet, hail)

 

 

Proteins

 

 

the building blocks of living things

 

 

Nitrogen

 

 

needed to make protein

 

 

Lightning

 

 

can change nitrogen gas to a form

living things can use to make protein