Cycles in Ecosystems

What is the Water Cycle

What is the Water CycleWhat is the water cycle? The continuous

movement of

water between

Earth’s surface

and the air is

the water cycle.

All water on Earth is

recycled constantly.

groundwater

watershed precipitation

condensation

transpiration evaporation

runoff

Lesson 1 a

What is the Water Cycle

• Evaporation: Changing of liquid into gas

What is the water cycle? The continuous

movement of

water between

Earth’s surface

and the air is

the water cycle.

All water on Earth is

recycled constantly.

groundwater

watershed precipitation

condensation

transpiration evaporation

runoff

Lesson 1 a

What is the Water Cycle

• Evaporation: Changing of liquid into gas

• Condensation: Changing of gas into liquid

What is the water cycle? The continuous

movement of

water between

Earth’s surface

and the air is

the water cycle.

All water on Earth is

recycled constantly.

groundwater

watershed precipitation

condensation

transpiration evaporation

runoff

Lesson 1 a

What is the Water Cycle

• Evaporation: Changing of liquid into gas

• Condensation: Changing of gas into liquid

• Precipitation: Any form of water

What is the water cycle? The continuous

movement of

water between

Earth’s surface

and the air is

the water cycle.

All water on Earth is

recycled constantly.

groundwater

watershed precipitation

condensation

transpiration evaporation

runoff

Lesson 1 a

What is the Water Cycle

• Evaporation: Changing of liquid into gas

• Condensation: Changing of gas into liquid

• Precipitation: Any form of water

• Watershed: An area from which water is drained

What is the water cycle? The continuous

movement of

water between

Earth’s surface

and the air is

the water cycle.

All water on Earth is

recycled constantly.

groundwater

watershed precipitation

condensation

transpiration evaporation

runoff

Lesson 1 a

What is the Water Cycle

• Evaporation: Changing of liquid into gas

• Condensation: Changing of gas into liquid

• Precipitation: Any form of water

• Watershed: An area from which water is drained

• Runoff: water not absorbed into streams

What is the water cycle? The continuous

movement of

water between

Earth’s surface

and the air is

the water cycle.

All water on Earth is

recycled constantly.

groundwater

watershed precipitation

condensation

transpiration evaporation

runoff

Lesson 1 a

What is the carbon cycle

What is the carbon cycleWhat is the carbon cycle?

The carbon cycle is the continuous exchange

of carbon among living things.

CO2 in air

dissolved

CO2 in water

marine plankton

remains

rock

respiration

decomposition

photosynthesis

coal natural gas

oil

combustion

(human-made and natural)

Lesson 1 b

What is the carbon cycle

• Carbon is in every living thing

What is the carbon cycle?

The carbon cycle is the continuous exchange

of carbon among living things.

CO2 in air

dissolved

CO2 in water

marine plankton

remains

rock

respiration

decomposition

photosynthesis

coal natural gas

oil

combustion

(human-made and natural)

Lesson 1 b

What is the carbon cycle

• Carbon is in every living thing

• We take in carbon dioxide through the air

What is the carbon cycle?

The carbon cycle is the continuous exchange

of carbon among living things.

CO2 in air

dissolved

CO2 in water

marine plankton

remains

rock

respiration

decomposition

photosynthesis

coal natural gas

oil

combustion

(human-made and natural)

Lesson 1 b

What is the carbon cycle

• Carbon is in every living thing

• We take in carbon dioxide through the air

• Animals give off through respiration

What is the carbon cycle?

The carbon cycle is the continuous exchange

of carbon among living things.

CO2 in air

dissolved

CO2 in water

marine plankton

remains

rock

respiration

decomposition

photosynthesis

coal natural gas

oil

combustion

(human-made and natural)

Lesson 1 b

What is the nitrogen cycle

What is the nitrogen cycleWhat is the nitrogen cycle?

The nitrogen cycle

is the continuous

trapping of nitrogen

gas into compounds

in the soil and its

return to the air.

nitrogen gas

in air (N2)

nitrogen fixation

denitrification

absorption decomposition

ammonia nitrite nitrate

Lesson 1 c

What is the nitrogen cycle

• Nitrogen is part of the genetic material in all cells

What is the nitrogen cycle?

The nitrogen cycle

is the continuous

trapping of nitrogen

gas into compounds

in the soil and its

return to the air.

nitrogen gas

in air (N2)

nitrogen fixation

denitrification

absorption decomposition

ammonia nitrite nitrate

Lesson 1 c

What is the nitrogen cycle

• Nitrogen is part of the genetic material in all cells

• 78% of the air is nitrogen

What is the nitrogen cycle?

The nitrogen cycle

is the continuous

trapping of nitrogen

gas into compounds

in the soil and its

return to the air.

nitrogen gas

in air (N2)

nitrogen fixation

denitrification

absorption decomposition

ammonia nitrite nitrate

Lesson 1 c

What is the nitrogen cycle

• Nitrogen is part of the genetic material in all cells

• 78% of the air is nitrogen

• Nitrogen must be changed or fixed in order for us to use

What is the nitrogen cycle?

The nitrogen cycle

is the continuous

trapping of nitrogen

gas into compounds

in the soil and its

return to the air.

nitrogen gas

in air (N2)

nitrogen fixation

denitrification

absorption decomposition

ammonia nitrite nitrate

Lesson 1 c

What is the nitrogen cycle

• Nitrogen is part of the genetic material in all cells

• 78% of the air is nitrogen

• Nitrogen must be changed or fixed in order for us to use

• Nitrogen can be fixed by Volcanic act. or lightning

What is the nitrogen cycle?

The nitrogen cycle

is the continuous

trapping of nitrogen

gas into compounds

in the soil and its

return to the air.

nitrogen gas

in air (N2)

nitrogen fixation

denitrification

absorption decomposition

ammonia nitrite nitrate

Lesson 1 c

What is the nitrogen cycle

• Nitrogen is part of the genetic material in all cells

• 78% of the air is nitrogen

• Nitrogen must be changed or fixed in order for us to use

• Nitrogen can be fixed by Volcanic act. or lightning

• Also be fixed by types of bacteria

What is the nitrogen cycle?

The nitrogen cycle

is the continuous

trapping of nitrogen

gas into compounds

in the soil and its

return to the air.

nitrogen gas

in air (N2)

nitrogen fixation

denitrification

absorption decomposition

ammonia nitrite nitrate

Lesson 1 c

How is matter recycled

How is matter recycled

• Renewable resources

How is matter recycled

• Renewable resources

• Non-Renewable resources

How is matter recycled

• Renewable resources

• Non-Renewable resources

• Using up nitrogen in soil can kill soil

How is matter recycled

• Renewable resources

• Non-Renewable resources

• Using up nitrogen in soil can kill soil

• Compost: mixture of dead organic material that can be used as fertilizer