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Cycling of Matter- Water Cycle + Carbon and Oxygen Cycles-UA

Total questions: 20

Worksheet time: 25mins

Name
Class
Date
1.

What is carbon dioxide used for?

a)

plants use it to make their food

b)

it's used to make oxygen

c)

people and animals use it to breathe

d)

it's used in baking cookies

2.

What produces oxygen?

a)

People and animals

b)

All plants

c)

Only green plants

d)

All living organisms

3.

What is the process of plants taking in carbon dioxide and releasing oxygen called?

a)

Respiration

b)

Produce

c)

Photosynthesis

d)

Breathing

4.

A gas that is produced by plants during photosynthesis that animals use for respiration.

a)

Carbon dioxide

b)

Water vapor

c)

Oxygen

d)

Toots

5.

A gas produced by animals during respiration that plants use for photosynthesis.

a)

Oxygen

b)

Toots

c)

Carbon dioxide

d)

Water vapor

6.
What is another name for evaporation of water through the leaves of plants?
a)
Transpiration
b)
Condensation
c)
Precipitation
d)
Percolation
7.
Rain, sleet, snow, and hail are all forms of _____.
a)
Percolation
b)
Evaporation
c)
Condensation
d)
Precipitation
8.
What is A?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
9.
What is B?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
10.
The continuous process by which water moves from Earth's surface to the atmosphere and back
a)
Nitrogen Cycle
b)
Carbon Oxygen Cycle
c)
WaterCycle
d)
Nitrogen Fixation
11.
Photosynthesis
a)
absorbs CO2
b)
releases CO2
12.

Which of the following describes the long-term portion of the water cycle?

a)

2% of all freshwater is trapped in ice caps and glaciers.

b)

Transpiration through the leaves of plants.

c)

Formation of fossil fuels due to intense heat and pressure.

d)

Different forms of precipitation such as rain, snow or sleet.

13.
How do living organisms return carbon to the atmosphere in the carbon cycle?
a)
respiration and photosynthesis
b)
 decomposition and respiration
14.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
15.
Which is the opposite of condensation?
a)
runoff
b)
evaporation
c)
precipitation
d)
transpiration
16.
Which best explains why runoff is important?
a)
It returns water to other locations on Earth
b)
It increases the chance of flooding
c)
It makes evaporation occur faster
d)
It increases condensation
17.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
18.

What are the two end products of burning fossil fuels?

a)

Carbon dioxide (CO2)

b)

Methane (CH4)

c)

Oxygen (O2)

d)

Water (H2O)

19.
Which statement is true about the carbon dioxide-oxygen cycle?
a)
animals breathe in nitrogen and release oxygen which is used by plants
b)
animals breathe in oxygen and release carbon dioxide which is used by plants
c)
animals breathe in nitrogen and release carbon dioxide which is used by plants
d)
animals breathe in carbon dioxide and release oxygen which is used by plants
20.

What is happening at 4?

a)

respiration: releasing CO2

b)

decomposing CO2 in the soil

c)

photosynthesis: absorbing CO2

d)

turning CO2 from the atmosphere into organic molecules

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