Carbon Cycle
True or False:
All living things are made up of carbon.
True
What is a large collection of tiny droplets of water?
A cloud
Oxygen is an example of a _________ on the periodic table.
element
The atmosphere is mostly...
nitrogen
2. Too much CO2 in the atmosphere may be responsible for the _______________ effect.
Greenhouse Effect
What is it called when water falls from the atmosphere back to the land?
Precipitation
How do plants create oxygen?
Photosynthesis
True or False:
We can use the nitrogen in the atmosphere.
False
Where does the carbon cycle begin?
It doesn't. Cycles do not have a beginning.
What is it called when water turns into water vapor?
Evaporation
What do animals and plants release into the atmosphere?
Carbon Dioxide
What is the process called that changes the nitrogen in the atmosphere into nitrogen we can use?
Nitrogen Fixation
How do animals get carbon?
Food
What is it called when water vapor turns back into liquid?
Condensation
Where does most of the oxygen that we breathe in come from?
The ocean
True of False:
Nitrogen can return to the environment in the waste products of animals.
True
How do plants get carbon?
the air
What is it called when plants release water onto their leaves and it then evaporates into vapor?
Transpiration
Who creates the oxygen in the ocean?
Phytoplankton
What helps return nitrogen back to the environment when organisms die?
Nitrogen Fixing Bacteria