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Water Matters 2

Total questions: 120

Worksheet time: 1hrs 19mins

Name
Class
Date
1.
a)

A, C, D

b)

B, C, F

c)

B, E, D

d)

A, E, F

2.

Which one of these correctly explains evaporation?

a)

Water gains heat to evaporate.

b)

Water loses heat to evaporate.

c)

Steam loses heat to evaporate.

d)

Steam gains heat to evaporate.

3.

Who made the correct statement?

You may choose more than 1 answer.

a)

Ali: Temperature increases when ice melts.

b)

Ben: Volume of water stays the same before and after boiling.

c)

Carl: Melting and freezing point is the same.

d)

Dyan: Ice gains heat when it melts.

4.

Misha wants to increase the amount of water droplets on the glass. What can she do?

You may choose more than 1 option.

a)

Add ice to the beaker.

b)

Cool down the glass sheet to 15oC.

c)

Increase temperature of water to 90oC.

d)

Add red dye to the beaker of water.

5.

The graph shows the changes in temperature as Substance X is heated over time.

What state of matter is X at 145oC?

a)

Solid

b)

Liquid

c)

Gas

6.

Aqeel heated some water from room temperature, then boiled it for 10 minutes before leaving to cool. Which of the following shows the correct changes in temperature over time?

a)
b)
c)
d)
7.

Nami put 2 identical cups of water at 2 different places for 8 hours. She measured the amount of water left and showed it in the graph.

Choose the correct options. There may be more than 1 correct answer.

a)

The amount of water left in A is lesser than B.

b)

Cup B was left in a hotter place than A.

c)

Cup A had a bigger exposed surface area than B.

d)

More water had evaporated in A than B.

8.

Irfan had 2 cups of water which he left in a room at 25oC. Which one of the following correctly shows where water droplets will form?

a)
b)
c)
d)
9.

The picture shows ice melting on a metal sheet. Choose the correct options. There may be more than 1 correct answer.

a)

Ice is losing heat to the sheet.

b)

Metal sheet loses heat to the ice.

c)

Ice melts at 0oC.

d)

Temperature of ice increases as it melts.

10.

The picture shows a kettle boiling.

Which processes took place in order to obtain the pure water? You may choose more than 1 answer.

a)

Boiling

b)

Melting

c)

Evaporation

d)

Condensation

11.

The picture shows the water cycle. Which arrow represents condensation?

a)

A

b)

B

c)

C

d)

D

12.

The water cycle cannot take place without ______________.

a)

evaporation and condensation

b)

boiling and condensation

c)

melting and freezing

d)

freezing and evaporation

13.

The picture shows the freezing and boiling point of substances A, B and C. At 10oC, which substances are in their liquid state?

a)

A only

b)

A and B only

c)

A and C only

d)

A, B and C

14.

Study the pictures. Choose the correct answer.

a)

Both processes involve heat gain.

b)

Heat gain occurs in A but not in B.

c)

Temperature of ice or water increases during both processes.

d)

Heat loss occurs in A and heat gain occurs in B.

15.

Ryan wants to test if amount of exposed surface area affects rate of evaporation.

Which variables should he keep constant for a fair test? You may choose more than 1 option.

a)

Amount of exposed surface area of container

b)

Amount of wind in room

c)

Temperature of water

d)

Temperature of room

16.

Which of the statements is/are true about boiling? You may choose more than 1 answer.

a)

Boiling occurs at 100oC.

b)

Boiling takes place throughout the liquid.

c)

Water changes into water vapour during boiling.

d)

Temperature of water increases during boiling.

17.

Which of the statements show water being conserved? You may choose more than 1 option.

a)

Use water from washing vegetables to water plants.

b)

Drink the used water from washing car.

c)

Play with water by splashing it everywhere.

d)

Turn off taps after use.

18.

Which of the processes, A, B, C or D, show heat gain?

(a)  

19.

Draw where water droplets will form on containers X and Y.

20.

Susan left containers A and B on a table. Which container, A or B, will have less water after a few hours?

(a)  

21.

Putri left a cup of hot water to cool. Why did the temperature stay the same at part QR of the graph?

4 lines
22.

Putri left a cup of hot water to cool. What is the starting temperature of the cup of hot water?

It is (a)   oC.

23.

When a substance changes from a solid to a liquid, this is called...

a)

Melting

b)

Evaporation

c)

Freezing

d)

Condensation

24.

When a substance changes from a liquid to a gas, this is called...

a)

Melting

b)

Evaporation

c)

Condensation

d)

Freezing

25.

When a substance changes from a gas to a liquid, this is called...

a)

Melting

b)

Evaporation

c)

Condensation

d)

Freezing

26.

What are the three states of matter?

a)

Rock, Brick, Shoe

b)

Solid, Liquid, Gas

c)

Liquid, Water, Soda

d)

Rain, Sleet, Snow

27.
When you heat water it turns into a ____
a)
liquid
b)
water
c)
gas
d)
solid
28.

The gas state of water is called ...................

a)

ice

b)

water vapor

c)

liquid

d)

solid

29.

Snow is water in ________ state.

a)

solid

b)

liquid

c)

gas

30.

How do you turn water into ice?

a)

Put it in the sun

b)

Shake it really fast

c)

Put it in the freezer

d)

Heat it on the stove

31.

Angel heated a pot of water. As the water boils, it changes from _______ to ________.

a)

water to ice

b)

water to water vapour

c)

water vapour to water

d)

water vapour to ice

32.

Amy held some ice cubes in her hands. Why do the ice cubes melt?

a)

The ice cubes lost heat to her hands.

b)

Her hands gained heat from the ice cubes.

c)

The ice cubes gained heat from her hands.

d)

The ice cubes lost heat to the surroundings.

33.

Water forms on the _______ of a glass of cold water.

a)

Inside

b)

Outside

c)

Underside

34.

Which processes involve heat gain?

a)

Melting, freezing

b)

Boiling, evaporation

c)

Freezing, condensation

d)

Melting, boiling, evaporation

35.

_____ from Sun evaporates water from seas in the water cycle.

a)

Light

b)

Energy

c)

Heat

d)

Spark

36.

Clouds are ____________.

a)

water vapour

b)

ice

c)

water droplets

37.

When a substance changes from a solid to a liquid, this is called...

a)

Melting

b)

Evaporation

c)

Freezing

d)

Condensation

38.

When a substance changes from a liquid to a gas, this is called...

a)

Melting

b)

Evaporation

c)

Condensation

d)

Freezing

39.

When a substance changes from a gas to a liquid, this is called...

a)

Melting

b)

Evaporation

c)

Condensation

d)

Freezing

40.

What are the three states of matter?

a)

Rock, Brick, Shoe

b)

Solid, Liquid, Gas

c)

Liquid, Water, Soda

d)

Rain, Sleet, Snow

41.
When you heat water it turns into a ____
a)
liquid
b)
water
c)
gas
d)
solid
42.

The gas state of water is called ...................

a)

ice

b)

water vapor

c)

liquid

d)

solid

43.

Snow is water in ________ state.

a)

solid

b)

liquid

c)

gas

44.

How do you turn water into ice?

a)

Put it in the sun

b)

Shake it really fast

c)

Put it in the freezer

d)

Heat it on the stove

45.

Angel heated a pot of water. As the water boils, it changes from _______ to ________.

a)

water to ice

b)

water to water vapour

c)

water vapour to water

d)

water vapour to ice

46.

Amy held some ice cubes in her hands. Why do the ice cubes melt?

a)

The ice cubes lost heat to her hands.

b)

Her hands gained heat from the ice cubes.

c)

The ice cubes gained heat from her hands.

d)

The ice cubes lost heat to the surroundings.

47.

Ali spilled some water on the floor. He notices it dried up after some time. What happened to the water?

a)

The water melted to ice.

b)

The water vapour condensed to form water.

c)

The ice melted to water.

d)

The water evaporated to water vapour.

48.

Water forms on the _______ of a glass of cold water.

a)

Inside

b)

Outside

c)

Underside

49.

What is the freezing point of water?

a)

0 °\degree C 

b)

100 °\degree  C

c)

25 °\degree  C

d)

37 °\degree  C

50.

What state of matter is Substance X in at 30 °C\degree C  ?

a)

Solid

b)

Liquid

c)

Gas

51.

Which processes involve heat gain?

a)

Melting, freezing

b)

Boiling, evaporation

c)

Freezing, condensation

d)

Melting, boiling, evaporation

52.

_____ from Sun evaporates water from seas in the water cycle.

a)

Light

b)

Energy

c)

Heat

d)

Spark

53.

Clouds are ____________.

a)

water vapour

b)

ice

c)

water droplets

d)

s

54.

Water can exist in ______ states of matter.

a)

1

b)

2

c)

3

d)

4

55.

Mist forming on glasses is a result of the process of _______________.

a)

melting

b)

freezing

c)

condensation

d)

evaporation

56.

At what temperature does ice melt?

a)

1 °\degree  C

b)

0 °\degree  C

c)

10 °\degree  C

d)

100 °\degree  C

57.

As the water cycle takes place in the experiment, the level of hot water in the beaker __________.

a)

increases (becomes more)

b)

decreases (becomes less)

c)

stays the same

58.

In the water cycle, the rain falling to Earth is ______.

a)

fresh water

b)

sugar water

c)

sea water

59.

Which 2 processes occur in the water cycle?

a)

melting, freezing

b)

evaporation, condensation

c)

boiling, condensation

d)

boiling, melting

60.

What are the factors that affect how fast water evaporates?

a)

wind, temperature, exposed surface area

b)

weather, temperature, exposed surface area

c)

wind, time, energy

d)

weather, time, energy

61.

Water stays at 0 °\degree  C when ice melts. True or False?

a)

True

b)

False

62.

Heat is needed for ________.

Choose all correct answers.

a)

Ice to melt to water

b)

Water to change to water vapour

c)

Water vapour to condense to water

d)

Water to freeze to ice

63.

Jane blew-dry her hair after a shower. What process allowed her hair to dry?

a)

Melting

b)

Boiling

c)

Evaporation

d)

Condensation

64.

While on the way to school, you noticed there are drops of water on the leaves of plants but it did not rain earlier. How did the water droplets form?

a)

Water vapour gained heat and condensed to water.

b)

Water lost heat and condensed to water vapour.

c)

Water gained heat and evaporated to water vapour.

d)

Water vapour lost heat and condensed to water.

65.

You noticed that your wet clothes dried faster when hung out in the sun than indoors. What is the reason for this?

a)

The temperature is hotter in the sun and the water evaporated faster.

b)

The temperature is cooler indoors and the water evaporated faster.

c)

The wet clothes have a greater exposed surface area in the sun and evaporated faster.

d)

The wet clothes have a greater exposed surface area indoors and evaporated faster.

66.

Which process is shown by #2 in the diagram?

a)

Evaporation

b)

Condensation

c)

Melting

d)

Boiling

67.

Clouds are made up of water in the ________ state

a)

gaseous

b)

liquid

c)

solid

68.

Water vapour is water in the ________ state.

a)

gaseous

b)

liquid

c)

solid

69.

The misty/ smoky thing seen above is called mist. Mist is water in the ________ state.

a)

gaseous

b)

liquid

c)

solid

70.

Is mist and water vapour the same?

a)

Yes!

b)

No!

71.

The process above shows __________.

a)

Melting

b)

Freezing

c)

Boiling

d)

Condensation

72.

The boiling point of water is the temperature that boiling takes place. It is at ______.

a)

0°C

b)

85°C

c)

100°C

d)

any temperature

73.

What is the change in state of water for freezing?

a)

liquid to solid

b)

solid to liquid

c)

water to ice

d)

ice to water

74.

The process shown is called ______. It is a ________ process.

a)

Freezing, heat loss

b)

Melting, heat loss

c)

Boiling, heat gain

d)

Melting, heat gain

75.

The melting point of ice is the temperature at which ice melts. It is at ______.

a)

More than 0°C

b)

Less than 0°C

c)

0°C

d)

100°C

76.

Water changes state from gas to liquid in a process called ___________.

a)

Boiling

b)

Condensation

c)

Evaporation

d)

Melting

77.

Condensation is a process that involves Heat loss.

a)

True!

b)

False!

78.

Evaporation is a process that involves ________

a)

heat loss

b)

heat gain

79.

Which of the following is true of evaporation?

a)

Water changes state from gas to liquid

b)

Can take place at any temperature

c)

Takes place only at 100 degrees celsius

d)

Takes place only at 0 degrees celcius

80.

Which of the following will help Miss Loo dry her clothes faster?

a)

Put in a place of low temperature

b)

Fold the clothes up so less of the clothes is exposed

c)

Wait for the wind to stop

d)

Spread out the clothes so they have a greater exposed surface area

81.

Which of the following affects the rate of evaporation of water?

a)

Wind

b)

Exposed surface area

c)

Temperature

d)

All of them (W E T) !

82.

On a hot day, drops of water form on a can of cold drink. What process caused this to happen?

a)

condensation

b)

freezing

c)

evaporation

d)

boiling

83.

The process that occurs when ice turns to water is _________.

a)

meting

b)

mleting

c)

meltng

d)

melting

84.

The process that occurs when water vapour turns to water is _______.

a)

codesation

b)

condesatoin

c)

condensation

d)

condestoin

85.

The process when water turns to water vapour is _____.

a)

evapration

b)

evaporation

c)

eavparation

d)

evaportoin

86.

The process when water turns to ice is _______.

a)

freezing

b)

frezing

c)

freesing

d)

freezng

87.

The _________ is a continuous movement of water from Earth to sky to Earth.

a)

watre cyle

b)

water cylce

c)

water cycle

d)

warte cyle

88.

0oC is the melting ____ of water.

a)

point

b)

pint

c)

pont

d)

piont

89.

The gas form of water is water ________.

a)

vapur

b)

vpour

c)

vapour

d)

vaupor

90.

Water ____ will form on the outside of a cold drink.

a)

dropets

b)

droplets

c)

drplets

d)

droplts

91.

The temperature of melting ice remains _________.

a)

constnt

b)

costant

c)

konstant

d)

constant

92.

Water cycle is the _________ movement of water from Earth to sky to Earth.

a)

kontinous

b)

continous

c)

continuous

d)

contious

93.

Rate of evaporation is affected by wind, _________ and exposed surface area.

a)

temprature

b)

temparature

c)

temperature

d)

temperatre

94.

Rate of evaporation is affected by wind, temperature and ________ surface area.

a)

eposed

b)

esposed

c)

xposed

d)

exposed

95.

We must _______ water because clean water is limited.

a)

coserve

b)

konserev

c)

conserve

d)

consarve

96.

The process that occurs when ice turns to water is _________.

a)

meting

b)

mleting

c)

meltng

d)

melting

97.

Rate of evaporation is affected by wind, _________ and exposed surface area.

a)

temprature

b)

temparature

c)

temperature

d)

temperatre

98.

Water cycle is the _________ movement of water from Earth to sky to Earth.

a)

kontinous

b)

continous

c)

continuous

d)

contious

99.

0oC is the melting ____ of water.

a)

point

b)

pint

c)

pont

d)

piont

100.

The _________ is a continuous movement of water from Earth to sky to Earth.

a)

watre cyle

b)

water cylce

c)

water cycle

d)

warte cyle

101.

The process that occurs when water vapour turns to water is _______.

a)

codesation

b)

condesatoin

c)

condensation

d)

condestoin

102.

The process when water turns to water vapour is _____.

a)

evapration

b)

evaporation

c)

eavparation

d)

evaportoin

103.

Warm water vapour _________ to form water droplets when it loses heat.

a)

kondeses

b)

condenses

c)

codeses

d)

kodeses

104.

Water will __________ to form water vapour.

a)

evaporate

b)

evporte

c)

evapurate

d)

evapurote

105.

Water can exist in (a)   states of matter.

(spell the word)

106.

The temperature that ice melts at is called (a)   point.

107.

The temperature that water freezes at is called (a)   point.

108.

(a)   point of water is 100oC.

109.

(a)   is water vapour at 100oC and cannot be seen.

110.

'White mist' that forms during boiling is water (a)  

111.

During freezing, water (a)   heat.

112.

During melting, water (a)   heat.

113.

During melting, the temperature of ice remains (a)   .

114.

During (a)   , water vapour turns back into water droplets.

115.

During (a)   , water changes from liquid to gas at any temperature.

116.

During boiling, water changes from liquid to (a)   state.

117.

Rate of evaporation is affected by (a)   , temperature and exposed surface area.

118.

Rate of evaporation is affected by wind, (a)   and exposed surface area.

119.

Rate of evaporation is affected by wind, temperature and (a)   .

120.

Water cycle is the (a)   movement of water from Earth to sky and back to Earth again.

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