Water Cycle
Carbon-Oxygen Cycle
Nitrogen Cycle
Cycles
Misc
100
Water falling from clouds.
What is PRECIPITATION.
100
Cycle in which plants turn gas in air into oxygen.
What is the CARBON-OXYGEN CYCLE.
100

How does Nitrogen get into the soil?

decomposing organism and organism waste

100
Cycle in which water moves through the environment.
What is the WATER CYCLE.
100

What element is the atmosphere mostly made of?

Nitrogen

200
Water turning into water vapor.
What is EVAPORATION.
200
Animals release __________ as a product of respiration.
What is CARBON DIOXIDE.
200

What 2 things fix, or change, nitrogen gas into usable nitrogen compounds for plants?

BACTERIA from plant roots and LIGHTNING.

200
Cycle in which a gas in the air is fixed, or changed, into a form that plants can use.
What is the NITROGEN CYCLE.
200

What organism contributed 50% of the oxygen to the atmoshphere?

Phytoplankton

300

What are the four type of precipitation

Rain, snow, sleet, hail

300
Plants release __________ into the atmosphere as a byproduct of photosynthesis.
What is OXYGEN.
300
What returns to the soil in animal waste?
What is AMMONIA and NITRATES.
300

What are the three ways carbon gets released into the atmosphere?


Water, animals/human respiration factories/car combustion

300
True or False: The cycles of matter only repeat one time. 

False

400
Plants return water to the environment when they lose water through their stomata.
What is TRANSPIRATION.
400
Process of releasing energy from food AND turning food into energy.
What is RESPIRATION.
400

Happens to the Nitrogen compounds after they are changed by lightning?

They fall to the ground

400

In what process do bacteria and fungi break down a dead organism's tissues and use some of the carbon as food?

What is DECAY. Decompose

400

What the three types of fossil fuels?

Oil, natural gas, coal

500

The step in the water cycle when the water vapor turns back into a liquid.

Condensation

500

What is an example of something that produces carbon dioxide besides animals and people.

What is BURNING FOSSIL FUELS. (cars, factories)

Combustion

500

What is the name of the cycle that changes nitrogen gas into usable compounds for plants? 

Nitrogen Fixation

500
During __________, plants use sunlight, water, and carbon dioxide to make their own food.
What is PHOTOSYNTHESIS.
500

True or false: Energy can be destroyed

False