Water

Atmosphere

Sun

Air

Water

Atmosphere

Sun

Air

3%

50%

97%

100%

2.5%

3%

30%

68%

1.2%

2.5%

30%

68%

Hydrogen cycle

Hydrological Cycle

Hydrosphere Cycle

The Sun

The Moon

Heat from Inner Earth

Liquid water changing into solid water

Solid water changing into liquid water

Liquid water changing into water vapor

Water vapor changing into liquid water

Soaks into the ground through infiltration

Rises into the ground from inner Earth

It flows into the ground from the Ocean

plants take in oxygen and release carbon dioxide

plants release oxygen and take in carbon dioxide

plants release carbon dioxide and take in oxygen

Chloroplasts

Leaves

Roots

Stoma

Infiltration

Transpiration

Condensation

Precipitation

It evaporates into the hydrosphere

It flows downhill as surface runoff

It precipitates into the atmosphere

only the surface

only groundwater

both surface and groundwater

To breathe

To obtain water for growth

To build proteins & DNA

To regulate temperature

Oxygen

Nitrogen

Hydrogen

Carbon Dioxide

N

N₂

NH₃

NO₃

nitrogen fixation

nitrification

denitrification

ammonification

True

False

From the air they breathe

From the water they drink

From the food they eat

From the sun

the bacteria reproduce quicker

causes increase in rain, thereby increasing flooding of ponds and lakes

create large algae blooms in the water

cause the nitrogen fixing bacteria in the soil to be more productive