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water cycle

Total questions: 26

Worksheet time: 47mins

Name
Class
Date
1.

What is the energy source for the water cycle?

a)

sun

b)

wind

c)

rain

d)

oceans

2.

What are clouds made of?

a)

dry air

b)

water

3.

A student draws a model to represent the precesses involved in the water cycle, as shown. To which process is the formation of clouds related?

a)

Condensation

b)

Evaporation

c)

Freezing

d)

Melting

4.

On Earth, what process generates most of the water vapor?

a)

Condensation

b)

Evaporation

c)

Precipitation

d)

Transpiration

5.

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

6.

What are formed when water vapor condenses?

a)

Clouds

b)

Mountains

c)

Transpiration

d)

Valleys

7.

Water in its gas form is called ____________________,

a)

water vapor

b)

precipitation

c)

ice

d)

air

8.

Which of the following is an example of precipitation?

a)

sleet

b)

hail

c)

snow

d)

all of the above

9.

If groundwater reaches earth's surface, how does it reenter the water cycle?

a)

by transpiration

b)

by evaporation

c)

by accumulation

d)

it can't

10.
What is A?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
11.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
12.

Which example is a form of precipitation?

a)

Dew

b)

Fog

c)

Frost

d)

Hail

13.

In which area would the rate of evaporation be the lowest?

a)

Over the ocean

b)

Over the mountains

c)

Over the rainforest

d)

Over the desert

14.

As a part of the water cycle, water from Earth's surface enters the clouds and finally falls back to the ground in the form of rain. What is the correct sequence of processes water undergoes?

a)

Evaporation, Condensation, Precipitation

b)

Precipitation, Condensation, Evaporation

c)

Condensation, Evaporation, Precipitation

d)

Evaporation, Precipitation, Condensation

15.

What would happen if the Sun is removed from the water cycle?

a)

The water cycle would not include precipitation but would continue with groundwater flow.

b)

The water cycle would no longer occur because the Sun provides the energy for evaporation and transpiration.

c)

The water cycle would no longer occur because the Sun provides energy for the formation of clouds.

d)

The water cycle would not include evaporation and transpiration but would continue with condensation.

16.

A student draws a model to represent the precesses involved in the water cycle, as shown. To which process is the formation of clouds related?

a)

Condensation

b)

Evaporation

c)

Freezing

d)

Melting

17.

The image shows various stages in the water cycle. During which stage does water flow back towards the sea as runoff?

a)

W

b)

X

c)

Y

d)

Z

18.

On Earth, what process generates most of the water vapor?

a)

Condensation

b)

Evaporation

c)

Precipitation

d)

Transpiration

19.

Rain and snow are two different forms of precipitation that fall on Earth's surface. Which factor is responsible for there being different forms of precipitation?

a)

Evaporation

b)

Run-off

c)

Temperature

d)

Transpiration

20.

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

21.

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

22.

The movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat. ____________________

a)

Evaporation

b)

Convection

c)

Precipitation

d)

Transpiration

23.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
24.

Water in its gas form is called ____________________,

a)

water vapor

b)

precipitation

c)

ice

d)

air

25.
The atmosphere, the ground, and also bodies of water are all heated by the Sun's energy. How does this energy reach Earth?
a)
radiation
b)
conduction
c)
convection
d)
gravity
26.
Warm, less dense air (including vapor) rises in the atmosphere. Cool, more dense air (including vapor) sinks. This transfer is . . . .
a)
convection
b)
conduction
c)
radiation
d)
gravity