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Cycles and Spheres

Total questions: 50

Worksheet time: 26mins

Name
Class
Date
1.
This sphere is the gaseous sphere of air around the earth.
a)
atmosphere
b)
biosphere
c)
hydrosphere
d)
lithosphere
2.
This sphere is all living things on Earth.
a)
atmosphere 
b)
biosphere
c)
lithosphere
d)
anthroposphere
3.
This sphere is any part of the Earth covered by water.
a)
atmosphere
b)
biosphere
c)
hydrosphere
d)
lithosphere
4.
This sphere is the Earthś solid surface.
a)
lithosphere
b)
biosphere
c)
hydrosphere
d)
atmosphere
5.
The main gas that makes up our atmosphere is...
a)
oxygen
b)
nitrogen
c)
hydrogen
d)
helium
6.

Runoff, which can also erode rock and move sediments, is an example of interaction between which spheres?

a)

Atmosphere and Lithosphere

b)

Atmosphere and Hydrosphere

c)

Hydrosphere and Lithosphere

d)

Geosphere and Atmosphere

7.
When carbon dioxide dissolves from the air into the ocean, the interaction is between the
a)
Atmosphere and Lithosphere
b)
Atmosphere and Atmosphere.
c)
Atmosphere and Hydrosphere
d)
Biosphere and Atmosphere
8.
Which sphere includes all water - salt, fresh, and vapor - on Earth's surface, underground, and in the air?
a)
hydosphere
b)
geosphere
c)
biosphere
d)
atmosphere
9.
What process do most producers, including plants and green algae, use to create their own food?
a)
nitrogen fixation
b)
cellular respiration
c)
photosynthesis
d)
eutrophication
10.
How does carbon dioxide leave the atmosphere?
a)
Through transpiration
b)
Through photosynthesis
c)
Through factory emission
d)
Sunlight
11.
Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?
a)
Precipitation
b)
Photosynthesis
c)
Respiration
d)
Bioremdiation
12.
Carbon dioxide is added to the atmosphere by
a)
Burning fossil fuels 
b)
Cellular respiration
c)
Decomposing organic matter
d)
All answers are correct
13.
Which of the following processes converts C6H12O6 to an inorganic molecule CO2
a)
translation
b)
photosynthesis
c)
cellular respiration
d)
excretion
14.

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

15.

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

16.

What are formed when water vapor condenses?

a)

Clouds

b)

Mountains

c)

Transpiration

d)

Valleys

17.

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

a)

Condensation

b)

Evaporation

c)

Transpiration

d)

Precipitation

18.

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

a)

Precipitation

b)

Condensation

c)

Evaporation

19.

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

a)

weathering

b)

transpiration

c)

run-off

d)

precipitation

20.

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

21.

The fall of water, ice, or snow deposited on the surface of the Earth from the atmosphere. __________

a)

Condensation

b)

Evaporation

c)

Precipitation

d)

Transpiration

22.
Which is the opposite of condensation?
a)
runoff
b)
evaporation
c)
precipitation
d)
transpiration
23.
Evaporation happens when the sun ___________ water and turns it into vapor.
a)
cools
b)
heats up
c)
freezes
d)
lights up
24.
The water cycle has no start or end
a)
true
b)
false
25.
oxygen is a gas produced by _ and used by  _ 
a)
plants and animals 
b)
photosynthesis and carbon dioxide 
c)
animals and plants 
d)
carbon dioxide and photosynthesis
26.
All of the carbon in existence is continually recycled in the carbon cycle
a)
True
b)
False
27.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
28.
Which process converts carbon in the form of sugar into carbon dioxide gas?
a)
Bioremediation
b)
Photosynthesis
c)
Respiration
d)
Transpiration
29.
carbon dioxide is a gas produced  by ________ and used by __________
a)
plants and animals 
b)
carbon and photosynthesis
c)
animals and plants 
d)
photosynthesis
30.

Plants use ____________ to make their own food

a)

Water

b)

Sunlight

c)

Carbon dioxide

d)

All of these

31.

Which gas do plants release, that humans depend on for survival?

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sugar

32.

Carbon molecules cannot be created or destroyed

a)

True

b)

False

c)

Not enough information to answer

33.

Through the process of photosynthesis, plants pull CO2 from the air to make plant food for themselves.

a)

True

b)

False

34.

When animals eat plants, the carbon that the plant contains is absorbed by the animals.

a)

True

b)

False

35.

How do animals get carbon?

a)

By eating plants and or other animals.

b)

They absorb it from the atmosphere.

c)

From the ground

d)

They do not get carbon from anywhere.

36.

What are fossil fuels made from?

a)

Plants and animals that are buried underground for millions of years.

b)

They absorb it from the atmosphere.

c)

Water

d)

Wind

37.

When humans EXHALE, we release __________________.

a)

Oxygen

b)

Carbon Dioxide

c)

Nitrogen

d)

Water

38.

What is CO2?

a)

Carbon Monoxide

b)

Carbon Trioxide

c)

Carbon Dioxide

d)

Oxygen

39.

Carbon moves from fossil fuels to the atmosphere when fuels are burned.

a)

True

b)

False

40.

Which of the following are fossil fuels?

a)

Coal, water, oil

b)

Oxygen, coal, oil

c)

Coal, Oil, Natural Gas

d)

None of the above

41.

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

a)

bacteria

b)

rain

c)

fungi

d)

car exhaust

42.

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

43.

Organisms that need nitrogen to survive.

a)

only plants

b)

only animals

c)

only bacteria

d)

all living things

44.

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

45.

Plants and animals cannot use nitrogen directly from the air.

a)

True

b)

False

46.

According to this diagram, plants use nitrogen to make _________________________

a)

bacteria

b)

animals

c)

proteins

d)

decomposers

47.

According to this diagram, animals get proteins from eating ________________________

a)

decomposers

b)

bacteria

c)

plants

d)

sunlight

48.

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

49.

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

a)

True

b)

False

50.

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

a)

True

b)

False