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9.2 - Cycles of Matter (Water, Carbon, Nitrogen)

Total questions: 42

Worksheet time: 27mins

Name
Class
Date
1.

What is precipitation?

a)

Sweat from our bodies on hot days

b)

Warm rain but not cold snow or sleet

c)

Gas that we use in furnaces or ovens

d)

Any form of water that falls from the sky

2.

What is another name or synonym for the water cycle?

a)

Geologic cycle

b)

Hydrologic cycle

c)

Geosphere

d)

Carbon cycle

3.

What is the energy source that drives the water cycle?

a)

The moon T

b)

The heat from our home in the winter all around the world

c)

The sun

d)

he heat generated solely from the core of the earth

4.

The _________ exerts a major influence on weather and climate by absorbing energy from the sun, releasing it over time, and globally redistributing it through ocean currents.

a)

Sun

b)

Ocean

c)

Continents

d)

Desert

5.

What are formed when water vapor condenses?

a)

Clouds

b)

Mountains

c)

Transpiration

d)

Valleys

6.

The act of turning from a gas into a liquid. ________________________

a)

Condensation

b)

Evaporation

c)

Transpiration

d)

Precipitation

7.

The act of turning from a liquid into a gas. ___________________

a)

Transpiration

b)

Condensation

c)

Evaporation

d)

Precipitation

8.

The draining away of water from the surface of an area of land.

a)

weathering

b)

transpiration

c)

run-off

d)

precipitation

9.

The process where plants absorb water through the roots and then give off water vapor through pores in their leaves. __________________________

a)

Transpiration

b)

Condensation

c)

Evaporation

d)

Precipitation

10.

The amount of fresh water on Earth is _______%.

a)

3

b)

5

c)

95

d)

97

11.

The amount of salt water on Earth is _____%.

a)

3

b)

5

c)

95

d)

97

12.
if there is a fire in a forest, there will be less _ in the environment?
a)
nitrogen
b)
oxygen
c)

Carbon Dioxide

d)

Carbon Monoxide

13.
All of the carbon in existence is continually recycled in the carbon cycle
a)
True
b)
False
14.

How is the burning of fossil fuels related to global warming?

a)

Carbon Cycle

b)

Fuels are hot

c)

Greenhouse effect

d)

Photosynthesis

15.

Which of the following removes carbon from the atmosphere?

a)

Combustion

b)

Cellular Respiration

c)

Photosynthesis

d)

Death

16.
Which of the following is an example of a decomposer?
a)
Owl
b)
Fish
c)
Tree
d)
Mushroom
17.

Organisms that die and did not decompose can be buried and eventually may become _____.

a)

soil

b)

nutrients

c)

air

d)

fossil fuels

18.

Which process converts carbon, in the form of glucose, into carbon dioxide gas?

a)

Condensation

b)

Photosynthesis

c)

Cellular Respiration

d)

Transpiration

19.

carbon dioxide is a gas produced by ________ and used by __________

a)

plants and animals

b)

carbon and photosynthesis

c)

animals and plants

d)

photosynthesis

e)

animals and animals

20.

Which is a true statement?

a)

Animals depend on oxygen, plants depend on carbon dioxide

b)

Plants produce carbon dioxide

c)

Animals depend on carbon dioxide, plants depend on oxygen

d)

Animals don't depend on plants for the air they need

21.

Plants use ____________ to make their own food

a)

Water

b)

Sunlight

c)

Carbon dioxide

d)

All of these

22.

Photosynthesis ____________ the amount of carbon dioxide in the atmosphere.

a)

increases

b)

decreases

c)

keeps the same

23.

Organism death ____________ the amount of carbon in the soil.

a)

increases

b)

decreases

c)

keeps the same

24.

What converts nitrogen gas into a usable form for plants and animals?

a)

bacteria

b)

rain

c)

fungi

d)

car exhaust

e)

lightning

25.

The process in which nitrogen circulates and is recycled is called

a)

The nitrogen cycle

b)

The carbon cycle

c)

The water cycle

d)

The phosphorus cycle

26.

Organisms that need nitrogen to survive.

a)

only plants

b)

only animals

c)

only bacteria

d)

all living things

27.

How is nitrogen "fixed" into a usable form for plants?

a)

Through action of bacteria only

b)

Through lightning only

c)

Through action of bacteria and lightning

d)

Through photosynthesis

28.

How do animals get the nitrogen they need?

a)

From the air they breathe

b)

From the water they drink

c)

From the food they eat

d)

From the sun

29.

Gas that makes up 78% of our atmosphere.

a)

Oxygen

b)

Nitrogen

c)

Hydrogen

d)

Carbon Dioxide

30.

What is the process of combining nitrogen gas with other elements to make nitrogen into usable compounds?

a)

nitrogen composition

b)

nitrogen fixation

c)

ammonia

d)

denitrification

31.

What is the formula for atmospheric nitrogen?

a)

N

b)

N2

c)

NH3

d)

NO3

32.

What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?

a)

Assimilation

b)

Fixation

c)

Ammonification

d)

Denitrification

33.

Plants and animals cannot use nitrogen directly from the air.

a)

True

b)

False

34.

According to this diagram, plants use nitrogen to make _________________________

a)

bacteria

b)

animals

c)

proteins

d)

decomposers

35.

According to this diagram, plants absorb

a)

nitrates

b)

nitrogen fixing bacteria

c)

animals

d)

decomposers

36.

According to this diagram, animals get proteins from ________________________

a)

decomposers

b)

bacteria

c)

plants

d)

sunlight

37.

A correct path that nitrogen could take would be

a)

air -> animals -> plants -> bacteria

b)

animals -> air -> bacteria -> plants

c)

bacteria -> air -> plants -> animals

d)

air -> bacteria -> plants -> animals

38.

Bacteria fix nitrogen from the atmosphere into a form plants can use.

a)

True

b)

False

39.

Bacteria create a form of nitrogen that animals can use directly.

a)

True

b)

False

40.

What do free living bacteria in the soil do?

a)

Make nitrogen into glucose

b)

Turn atmospheric nitrogen into nitrates

c)

Make carbon dioxide for plants to go through photosynthesis

d)

Help plants take in water

41.

All plants have nitrogen fixing bacteria in their roots.

a)

True

b)

False

42.

Examples of plants that can fix nitrogen are _______

a)

clover

b)

grass

c)

trees

d)

legumes

e)

peanuts

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