Natural Cycles

78% of Earth's atmosphere

• air

• Oxygen

• Carbon Dioxide

• Nitrogen

How plants make their own food.

• Photosynthesis

• Respiration

• Growing

• Transpiration

The process when oxygen is taken in and carbon dioxide is released.

• breathing

• respiration

• oxygen exchange

• condensation

What do plants take in?

• Nitrogen

• Air

• Carbon Dioxide

• Oxygen

Animals breath in________.

• oxygen

• carbon dioxide

• nitrogen

• helium

Gas changes to liquid

• evaporation

• transpiration

• conversion

• Condensation

Liquid changes to a gas

• water cycle

• condensation

• evaporation

• transpiration

When plants give off water.

• precipitation

• condensation

• respiration

• transpiration

any for of water that falls from clouds

• evaporation

• condensation

• precipitation

• transpiration

Name the three main natural cycles we have studied in class