Misc.
Carbon cycle - general
Processes
Interactions
Nitrogen Cycle- general
100

This molecule (or greenhouse gas) is responsible for trapping the most heat

What is carbon dioxide 

100
The carbon cycles is concerned with the movement of _______ through the environment
What is carbon
100
Plants use __________ to produce their own food from CO2 and water
What is photosynthesis
100
Plants use ______________ in photosynthesis which is released by animals
What is carbon dioxide
100

What takes nitrogen up from the soil to the plant?

the roots

200
The ____________sphere consist of the ocean and other large bodies of water
What is the hydrosphere
200

The part of the carbon cycle that releases oxygen

What is photosynthesis 

200
Waste and dead things ____________ and produce carbon in the atmosphere and the soil
What is decompose
200
The burning of fossil fuels releases carbon into the __________ and the _____________
What is atmosphere and oceans
200

Without _____ nitrogen could not enter living things or be returned to the atmosphere.

bacteria

300

____ _____ is the movement of nitrogen between the enviroment and living things.

What is the nitrogen cycle 

300
Carbon in the atmosphere mostly consists of _________
What is carbon dioxide
300
Living organisms produce CO2 as a waste product of _____________
What is cellular respiration
300
Bacteria and fungi decompose dead _______ and _________ to produce carbon
What is plants and animals
300

Many _____ pass from soil to plants to animals and back.

nutrients 

400

____ causes some nitrogen fixation.

What is lightning

400
About __________ of the carbon in the atmosphere gets dissolved in the ocean
What is one third
400
Burning fossil fuels produces carbon by the process of _________
What is combustion
400
__________ are created over thousands of years of being compressed underground
What are fossil fuels
400

What happens when an organism dies?

The nitrogen returns to the soil

500

Around what percent of Earth atmosphere is nitrogen gas?

around 78%

500
Carbon is stored underground in the form of ________ fuels
What is fossil
500

________ ________ adds carbon to the atmosphere through the process of taking in oxygen and releasing carbon dioxide

what is celluar respiration

500

When there is too much carbon in the atmosphere, the heat from the sun is trapped causing ________________

What is climate change or global warming

500

____ ____ is bacteria in the soil that is able to change nitrogen gas into forms that plants can use.

What is nitrogen fixation

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