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WorksheetsCycles of HONC
Total questions: 14
Worksheet time: 17mins
Name
Class
Date
1.
What is the role of decomposers in an Ecosystem?
a)
They recycle matter and nutrients to form fossil fuels
b)
They are burn and release as carbon dioxide
c)
Decomposers are responsible to turn oxygen into carbon dioxide
d)
They recycle energy back to the sun
2.
What is happening at 1?
a)
respiration: releasing CO2
b)
decomposing CO2 in the soil
c)
photosynthesis: absorbing CO2
d)
turning CO2 from the atmosphere into organic molecules
3.
Photosynthesis
a)
absorbs CO2
b)
releases CO2
4.
Respiration
a)
absorbs CO2
b)
releases CO2
5.
How do most animals obtain Nitrogen?
a)
From plants they eat
b)
From the air
c)
From touching things with Nitrogen
6.
In which process does water change into a gas?
a)
Respiration
b)
Evaporation
c)
Condensation
d)
Precipitation
7.
All of the following are true about the Carbon Cycle EXCEPT...
a)
It is not important for life on Earth
b)
It continuously cycles carbon throughout the ecosystem
c)
It reuses Carbon over and over again in different ways
d)
It is beneficial and necessary to support life
8.
What is one way that carbon enters the atmosphere?
a)
Sunlight
b)
Vehicle emissions/Exhaust
c)
Ocean uptake
d)
Rain
9.
What do we call the bumps on the roots of legumes?
a)
nodules w/ bacteria
b)
craters
c)
pods
10.
What is an example of a legume?
a)
strawberries
b)
carrots
c)
beans
11.
What happens when organisms die and decay?
a)
Their bodies are lifted up
b)
Their nitrogen returns to the soil
c)
they keep their nitrogen
d)
They stay on earth forever
12.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
13.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
14.
What is the scientific word for rain?
a)
Rain
b)
precipitation
c)
sleet
d)
cloud
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