Water Cycle
What is the correct order of the water cycle?
A. cloud, water vapor, rain
B. water vapor, cloud, rain
C. rain, cloud, water vapor
D. water vapor, rain, cloud
B. water vapor, cloud, rain
In the carbon cycle, plants take in the gas ____
carbon dioxide
How much of the atmosphere is composed of nitrogen gas?
78%
Where is phosphorus found on earth?
soil, water, rocks (sediments)
During what part of the water cycle does water vapor turn into liquid droplets?
A. evaporation
B. condensation
C. Precipitation
D. Runoff
B. Condensation
Increase in which gas is primarily responsible for increased global warming?
carbon dioxide
True or False: Plants and animals cannot use nitrogen directly from the air.
True
True or False: Phosphorus goes through the atmosphere.
false
Where does the energy that powers the water cycle come from?
A: plants
B: animals
C: electrical outlets
D: the sun
D. the sun
oceans hold the largest storage of carbon
_____ is the conversion of organic nitrogen into ammonia
Ammonification
_____ brings phosphorous into our waterways.
A. precipitation
B. runoff
C. transpiration
D. condensation
B. Runoff
What is evaporation?
Water gets warm and changes from liquid water to water vapor.
In the food web, which organisms release the carbon from dead things back into the environment?
decomposers
Name three ways to fix nitrogen.
bacteria, lightening, and chemically
What role do decomposers play in the phosphorous cycle?
A. absorb phosphorous
B. release phosphorous into atmosphere
C. return phosphorous into the soil
D. combustion
C
What is the correct term for moisture that falls to the ground from clouds?
precipitation
When humans burn fossil fuels, most of the carbon quickly enters the ________ as carbon dioxide.
atmosphere
After plants and animals contain nitrogen, what process/organism puts it back into the atmosphere and soil?
decomposers/decomposition
Too much nitrogen or phosphorus in waterways (rivers, lakes) can lead to___________.
Hint: kills aquatic plants and animals
eutrophication