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WorksheetsCycling of Matter
Total questions: 20
Worksheet time: 17mins
What 2 processes take carbon dioxide (CO2) out of the air?
dissolving in the ocean
cellular respiration
photosynthesis
decomposition
If the plant population decreased, the amount of carbon in the atmosphere would _________.
Stay the same
Increase
Decrease
C6H12O6 is also known as glucose (sugar). Where is it found?
Plants
Animals
Both plants and animals
Neither plants or animals
Carbon atoms cannot be created or destroyed
True
False
Not enough information to answer
What effect does deforestation have on the carbon cycle?
Decreases carbon dioxide
Increases oxygen
Increases carbon dioxide
decreases oxygen
What statement best describes the roles of photosynthesis & respiration in the carbon cycle?
Respiration & photosynthesis both add carbon to the atmosphere.
Respiration & photosynthesis both remove carbon from the atmosphere.
Respiration adds carbon to the atmosphere while photosynthesis removes carbon from the atmosphere.
Respiration removes carbon from the atmosphere while photosynthesis adds carbon to the atmosphere.
Which of the following processes takes CO2 out of the atmosphere?
Respiration
Combustion
Decomposition
Photosynthesis
Based on the information in the graph, where is most carbon located in 2100?
Soil
Ocean Surface
Deep Ocean
Atmosphere
What process is occurring at step 5?
Terrestrial life breathes out (respiration)
Carbon is compressed into fossil fuels
Humans use fossil fuels to make energy
Dead plants & animals decompose into soil.
If a disease were to affect the snakes in the energy pyramid, what will be the initial (beginning) effect on the populations of hawks and primary consumers?
The populations of hawks and primary consumers will increase.
The population of hawks will increase. The population of grasshoppers will decrease.
The population of hawks will decrease. The population of primary consumers will increase.
The population of hawks will increase. The population of primary consumers will decrease.
What would happen to this energy pyramid if we doubled the population of the rabbits?
The grass population would decrease. The snake and hawk population would increase.
The population of hawks will increase. The population of grasshoppers will increase.
The populations of the grass, snakes, and hawks would decrease.
The populations of the snakes and hawks would also increase.
What organisms are part of the carbon cycle?
plants
animals
bacteria
all living things
What is an example of a carbon reservoir (sink)?
hydrosphere
photosynthesis
decomposition
calcium carbonate
Which of the following cannot be recycled?
water
carbon
nitrogen
energy
What is a carbon sink?
An area that only stores carbon for a long period of time.
An area that stores more carbon than it releases over a long period of time.
An area that temporarily stores a lot of carbon.
An area that releases more carbon than it stores over a long period of time.
Which organisms in the ocean absorb the most carbon dioxide?
phytoplankton & algae
fish & shells
corals & whales
shrimp & lobsters
Ocean coral and oysters use carbon to create.............
oxygen
leaves
shells
food
What happens to trees that die and get buried deep in the ground over millions of years?
They become natural gas.
They become crude oil.
They become coal.
They continue to absorb carbon through photosynthesis.
