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WorksheetsMatter Cycles HMS
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What are the products of Photosynthesis?
a)
Carbon dioxide and Glucose
b)
Oxygen and Glucose
c)
Carbon dioxide and Water
d)
Glucose and Water
2.
What are the reactants of Photosynthesis?
a)
Oxygen and Glucose
b)
Carbon Dioxide and Water
c)
Oxygen and Water
d)
Carbon Dioxide and Oxygen
3.
What do plants need to go through photosynthesis?
a)
Water, light, soil
b)
Water, CO2, light
c)
Water, Oxygen, light
d)
Light, soil, carbon dioxide
4.
Plants that contain chlorophyll ______ go through photosynthesis while plants that do not contain chlorophyll _____ go through photosynthesis.
a)
do, also
b)
do, do not
c)
do not, do
d)
do not, also do not
5.
Why do our bodies go through cellular respiration?
a)
To produce energy
b)
To build muscle
c)
To go through photosynthesis
d)
To maintain a pH balance
6.
If photosynthesis and cellular respiration keep CO2 and O2 stable in the atmosphere, what could cause a man made imbalance?
a)
Use of fossil fuels
b)
Increase in photosynthesis
c)
Increase in cellular respiration
d)
Decrease in photosynthesis
7.
The oceans are a large carbon reservoir.
a)
True
b)
False
8.
Why do consumers receive less energy from the sun than producers?
a)
Because they are not in the sun as much.
b)
They only go outside at night.
c)
The amount of energy has to transfer from one organism to another.
9.
What are three things that can happen to the food we consume?
a)
Some is used for energy, some is stored, and some is disposed of as waste.
b)
Some increases muscle mass, some becomes oxygen, and some becomes sugar.
c)
Our food only becomes energy.
d)
Some is stored as fa, some is stored as muscle, and some is stored as sugar.
10.
What do consumers give off that producers use to make their food? (think about reactants and products of photosynthesis)
a)
sugar
b)
nitrogen
c)
hydrogen
d)
carbon dioxide
11.
Plants that do not contain chlorophyll cannot go through photosynthesis to produce their own food.
a)
True
b)
False
12.
Stromatolites are large colonies of bacteria that are the first photosynthetic organisms on our planet. They helped produce most of the ________ in our atmosphere.
a)
Carbon Dioxide
b)
Water
c)
Oxygen
d)
Nitrogen
13.
During which season would the most amount of photosynthesis on our planet occur?
a)
Spring
b)
Summer
c)
Winter
d)
Fall
14.
The amount of carbon dioxide is higher during the winter than in the summer due to the lack of photosynthesis occurring in plants.
a)
True
b)
False
15.
During which season would the most amount of photosynthesis on our planet occur?
a)
Spring
b)
Summer
c)
Winter
d)
Fall
16.
The amount of carbon dioxide is higher during the winter than in the summer due to the lack of photosynthesis occurring in plants.
a)
True
b)
False
17.
Which of the following materials do decomposers (bacteria and fungi) release into the soil?
a)
Carbon and Nitrogen
b)
Oxygen and Carbon
c)
Nitrogen and Hydrogen
d)
Phosphorus and Carbon
18.
When organisms die, __________ return carbon compounds to the soil and release carbon dioxide into the air.
a)
Producers
b)
Consumers
c)
Decomposers
d)
Heterotrophs
19.
Trees get the majority of the carbon they use to survive from the _____
a)
soil
b)
atmosphere
c)
ocean
d)
water
20.
In the following graph, what numbers should you fill in between the 10 and 15?
a)
11,12,13,14
b)
12, 14
c)
None
d)
11,13
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