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Science prep JM #1

Total questions: 178

Worksheet time: 2hrs 37mins

Name
Class
Date
1.

Sun is a natural source of light

a)

True

b)

False

2.

Light helps us to ….

a)

see

b)

hear

c)

feel

3.

When there is no light, the world becomes ….

a)

dark

b)

beautiful

c)

foggy

4.

Firefly is ... source of light.

a)

natural

b)

artificial

5.

Stars are ... source of light

a)

natural

b)

artificial

6.

The thing that produces light is a ...

a)

heat source

b)

light source

c)

energy

d)

sound source

7.

An insect that produces a light

a)
b)
c)
d)
8.

Which one is a natural source

a)
b)
c)
d)
9.

Light enters our eyes and helps us ...

a)

to create shadow

b)

to see things

c)

to hear the sound

10.
Which of these are examples of NATURAL sources of light?
a)
Sun 
b)
Stars
c)
Lightning
d)
ALL of them
11.

When we read a book, which source of light do we use?

a)
b)
c)
d)
12.

What help him to see around in the cave ?


(cave=gua)

a)

sun

b)

torch

13.

Tick the list of natural sources of light.

a)

light bulb, Sun, candlelight, torch

b)

fireflies, stars, torch, moon

c)

jellyfish, bush fires, lamp, candlelight

d)

Sun, stars, lightning, fireflies

14.

Part of the body that helps us to see the things

a)
b)
c)
d)
15.

Which picture showing the darkness

a)
b)
c)
d)
16.

The main source of light on the earth

a)

The moon

b)

The star

c)

The sun

d)

The flashlight

17.

Which object allows you to see your reflection

a)
b)
c)
d)
18.

The moon produces its own light

a)

True

b)

False

19.

when the object blocks the light it will form a shadow

a)

True

b)

False

20.

we see the things when the ... enters our eyes

a)

shadows

b)

light

c)

the sun

d)

the object

21.

which the following object gives us light ...

a)

window

b)

table

c)

chair

d)

candle

22.

how many shadows in the pictures

a)

4

b)

5

c)

6

d)

7

23.

moon is not a light source because ...

a)

moon is too far away from from earth

b)

moon is not as bright as sun

c)

moon only reflects light from the sun

d)

moon is a light source

24.

A shadow is created when...

a)

an object blocks the light

b)

an object lets light pass thru

c)

an object is above light

25.

Shadows are shortest ...

a)

at night

b)

in the morning

c)

in the middle of the day

d)

in the evening

26.

If you can see light through an object it is called...

a)

opaque

b)

plastic

c)

transparent

27.

An opaque object means that ...

a)

light passes through

b)

no light passes through

c)

some light passes through

d)

you can see through it

28.
Translucent objects let only some light pass thru?
a)
False
b)
True
29.
What does the moon do?
a)
produces light
b)
reflects the suns light
c)
produces heat
30.
Which will make the darkest shadow? Light shining on a...
a)
sheet of thin tissue paper
b)
glass window  
c)
wooden chopping board  
d)
none of the above
31.

When the sun gets higher in the sky, shadows get ______.

a)

longer

b)

gone

c)

shorter

d)

darker

32.

Shadows are longest during _______.

a)

morning and evening

b)

noon

c)

night

33.

When the Sun is behind you, your shadow is ...

a)

behind you

b)

in front of you

c)

at the side of you

d)

not there

34.

When was this picture most likely taken?

(Hint: think about the shadow's length)

a)

morning

b)

night

c)

noon

35.

When was this picture most likely taken?

(Hint: think about the shadow's length)

a)

morning or evening

b)

night

c)

noon

36.

Based on the shadow, what time of day is it?

a)

12:00 p.m (noon)

b)

2:00 a.m.

c)

1:00 p.m.

d)

7:00 a.m.

37.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

38.

A __________ is a transparent object with refracting surfaces that separate white light into a spectrum of colors.

a)

rainbow

b)

prism

c)

cloud

39.
Which of these causes the colors in a rainbow to separate?
a)
sunlight passing through raindrops
b)
strong winds
c)
Earth's gravity
d)
different colors of light going at different speeds
40.

How many colours of rainbow?

a)

6

b)

7

c)

8

41.

Which of the following colour is not seen in a rainbow ?

a)

Red

b)

Indigo

c)

White

d)

Yellow

42.

The sunlight entering the raindrops and creating rainbow is actually a ....... light

a)

Red

b)

White

c)

Yellow

d)

Orange

43.

You could make the shadow of the puppets bigger if you....(choose 2 correct answers)

a)

Move the puppet closer to the screen

b)

Move the puppet away from the screen

c)

Move the lamp away from the puppet

d)

Move the lamp closer to the puppet

44.

A dark area that is formed because the light is blocked is called (a)  

45.

The location of a shadow depends on where the light source is coming from.

a)

true

b)

false

46.

Choose the right shadow that can be created based on the sun position.

a)
b)
c)
47.

Choose the right shadow of the object

a)

2

b)

3

c)

4

48.

Which direction is right for creating this shadow

a)

1

b)

2

c)

3

49.

The further the light source from an object is, the bigger the shadow will be.

a)

true

b)

false

50.

The object or material which allows light to pass through completely is called ....

a)

transparent material

b)

translucent material

c)

opaque material

51.

Choose 2 opaque materials

a)
b)
c)
d)
52.

The material that doesn't let any light get through is called (a)   material.

53.

Choose 2 transparent materials

a)
b)
c)
d)
54.

The object which allows light to pass through partially is called a ...... object.

a)

opaque

b)

transparent

c)

translucent

55.

Choose a translucent material ......

a)
b)
c)
56.

Electricity is a form of . . .

a)

plug

b)

socket

c)

energy

57.

Many things in our house use electricity. These are called . . .

a)

mains electricity

b)

batteries

c)

electrical appliances

58.

Batteries are . . . and allow us to use electricity anywhere.

a)

portable

b)

heavy

c)

bold

59.

Electricity is used to . . . many things in your house.

a)

power

b)

clean

c)

cover

60.

The following object are the things that need electricity to work. Except:

a)

vacuum cleaner

b)

table and chair

c)

washing machine

61.

The fan uses electricity to circulate the . . . in the living room.

a)

water

b)

air

c)

dust

62.

Choose the electrical appliances that produce movement when they are connected to mains electricity.

a)

lamp

b)

washing machine

c)

television

63.

What appliances that give out light when connected to mains electricity?

a)

table lamp

b)

air conditioner

c)

electric iron

64.

What are the activities in the living room that use electricity?

a)

sitting on the chair

b)

reading a book

c)

watching television

65.

What electrical appliance heats things up when connected to an electricity outlet?

a)

air conditioner

b)

fan

c)

microwave

66.
a)

mains electricity

b)

Battery

67.
a)

mains electricity

b)

battery

68.
a)

mains electricity

b)

battery

69.

Does it need electricity ?

a)

yes

b)

no

70.

It uses electricity.

a)
b)
71.

It uses electricity.

a)
b)
72.

Which one is not using electricity ?

a)
b)
73.

Which one needs battery to work ?

a)
b)
74.

Which one uses mains electricity to work ?

a)
b)
75.

Does it use mains electricity to work ?

a)

NO

b)

YES

76.

Does it use mains electricity to work ?

a)

NO

b)

YES

77.

Mains electricity is made in .......................

a)

School

b)

Power Station

78.

A cell can ............. electricity.

a)

make

b)

store

79.

A cell is often called a ...................

a)

battery

b)

kettle

80.
a)

Mains electricity

b)

Battery/cell

81.
a)

Mains electricity

b)

Battery/ cell

82.
a)

Mains electricity

b)

Battery/ cell

83.
a)

Mains electricity

b)

Battery/ cell

84.

A form of energy that can travel from one point to another point through a conducter is called ......

a)

shadow

b)

electricity

c)

light

85.

Which picture is NOT an example of electricity (static electricity)?

a)
b)
c)
86.

Which are the two effects of no electricity?

a)

we can't get the light from lamps.

b)

We can watch TV.

c)

We can't access the internet.

d)

We can do online learning.

87.

Most of electric appliances have wire on them. What is the function of wire in the electric appliance?

a)

to transmit the electricity from one point to another point

b)

to turn on the electric appliances

c)

to turn off the electric appliances

88.

Choose two things that need electricity to work.

a)
b)
c)
d)
89.

A device that produces visible light from electric power is called .....

a)

television

b)

fan

c)

lamp

90.

Choose two things that are used to cool down a room.

a)
b)
c)
d)
91.

Television is used for transmitting moving images and sound.

a)

true

b)

false

92.

Choose a picture of household appliance used to remove creases or wrinkles of the clothes by the combination of heat and pressure.

a)
b)
c)
93.

What is the use of this home appliance?

a)

to heat food to a desired temperature

b)

to remove dust and small particles

c)

to transmit moving images and sound

94.

What is the use of this home appliance?

a)

to produce visible light from electric power

b)

to cool down a space

c)

to heat food to a desired temperature

95.

Which are two pictures that show of using electricity unsafely?

a)
b)
c)
d)
96.

Which is NOT an electricity supply?

a)

light supply

b)

mains supply

c)

batteries

97.

Choose two devices that use mains supply to get the electricity

a)
b)
c)
d)
98.

Choose two devices that get the power from batteries.

a)
b)
c)
d)
99.

Where does the lamp get their electricity?

a)

Mains electricity

b)

Battery

c)

none

100.

where does the clock get their electricity?

a)

Mains electricity

b)

Battery

101.

Where does the headphones get their electricity?

a)

mains electricity

b)

battery

c)

none

102.

Where does the microwave get the electricity?

a)

Mains electricity

b)

Battery

c)

none

103.

Where does the broom get the electricity?

a)

mains electricity

b)

battery

c)

none

104.

Where does the Rice cooker get the electricity?

a)

none

b)

main electricity

c)

battery

105.

Where does the torch get the electricity?

a)

Battery

b)

mains electricity

c)

none

106.

Where do the watches get the electricty?

a)

battery

b)

mains electricty

c)

none

107.

Where does the kite get the electricity?

a)

mains electricity

b)

battery

c)

none

108.

How do you say in English?

a)

Iron

b)

cooker

c)

oven

109.

Does this thing use electricity from the mains, batteries or both?

a)

the mains

b)

batteries

c)

both the mains and batteries

110.

Does this thing use electricity from the mains, batteries or both?

a)

the mains

b)

batteries

c)

both the mains and batteries

111.

Does this thing use electricity from the mains, batteries or both?

a)

the mains

b)

batteries

c)

both the mains and batteries

112.

Does this thing use electricity from the mains, batteries or both?

a)

the mains

b)

batteries

c)

both the mains and batteries

113.

Does this thing use electricity from the mains, batteries or both?

a)

the mains

b)

batteries

c)

both the mains and batteries

114.

Does this thing use electricity from the mains, batteries or both?

a)

the mains

b)

batteries

c)

both the mains and batteries

115.
a)

Ware

b)

Wire

c)

Wirre

d)

Wrie

116.
a)

cooking

b)

take a shower

c)

electric shock

d)

singing

117.
a)

A plug

b)

safe

c)

dangerous

d)

healthy

118.

Use electricity near water

a)

yes

b)

no

119.

What is a circuit?

a)

The path in which electricity travels

b)

The place on a magnet that has the strongest push or pull

c)

A form of energy

d)

An event that is caused by an earlier event

120.

What is a source of electricity

a)

The sun

b)

The wind

c)

Battery

d)

All of these

121.

What is electricity?

a)

Rocks in the ground.

b)

A city where people live.

c)

A form of energy.

d)

A push or pull that makes something move.

122.

What would happen if electricity went into water?

a)

The water would freeze

b)

Nothing

c)

Electricity would flow through it because water is a conductor

d)

The water would turn black

123.

What is static electricity?

a)

Electricity that flows in one direction

b)

Electricity that is sent over the air

c)

An electrical charge on the surface of an object

d)

It is another name for digital electronics

124.

A form of energy is called ....

a)

circuit

b)

effect

c)

attract

d)

electricity

125.

Which of the following is a practical application for static electricity?

a)

Printers

b)

Air filters

c)

Copiers

d)

Printers, Air filters, Copiers

126.

Electricity is made when _____ are moving.

a)

atoms

b)

electrons

c)

charge

d)

electricity

127.

What is a pathway for the flow of electricity?

a)

circuit

b)

wire

c)

tunnel

128.

Static electricity is the _______ of positive and negative charges in an object.

a)

balance

b)

imbalance

129.

When two objects have unlike electrical charges, they will _______ each other.

a)

repel

b)

attract

130.

State whether the following statement is true or false.

Batteries are not a source of electricity.

a)

True

b)

False

131.

Which of the following causes thunder?

a)

Lightning

b)

Clouds

132.

Electrical charges from power plants go through power lines to bring electricity into homes or businesses.

a)

True

b)

False

133.

The shock a person receives when walking across a carpet and touching a metal doorknob is the release of which of the following?

a)

Static electricity

b)

Conductors

134.

In a simple series circuit, why does the bulb light when you close the switch?

a)

the switch produces electricity

b)

closing the switch completes the circuit

c)

closing the switch breaks the circuit

135.

Which of the following is a source for electricity?

a)

Lightning

b)

Power plant

c)

Static

d)

All of these

136.

Which one of the following is NOT a major use of electricity?

a)
b)
c)
d)
137.

Which of the following shows an example of static electricity?

a)
b)
138.

When charge builds up on your body after rubbing your feet on the carpet, what happens?

a)

static electricity

b)

shock waves

c)

magnetic field

139.

Humans get energy from food. Machines get energy from electricity.

a)

True

b)

False

140.

Electricity is energy.

a)

True

b)

False

141.

Which of these things NEED electricity?

a)
b)
c)
d)
142.

Which of these things DO NOT NEED electricity?

a)
b)
c)
d)
143.

What is this called?

a)

Power plant

b)

Power lines

c)

Transformer station

d)

Smaller power lines

144.

What are these called?

a)

Power plant

b)

Power lines

c)

Transformer station

d)

Smaller power lines

145.

What is this called?

a)

Power plant

b)

Power lines

c)

Transformer station

d)

Smaller power lines

146.

What is this called?

a)

Power plant

b)

Power lines

c)

Transformer station

d)

Smaller power lines

147.

What is this called?

a)

Power plant

b)

Power lines

c)

Transformer station

d)

Smaller power lines

148.

Which of the following is the correct order of how we get electricity?

a)

Power plant - transformer station - power lines - smaller power lines - our homes

b)

Power plant - power lines - transformer station - smaller power lines - our homes

c)

Power plant - power lines - smaller power lines - transformer station - our homes

d)

Power plant - smaller power lines - power lines - transformer station - our homes

149.

What is electricity?

a)

It's only light

b)

It´s a form of energy.

c)

It's heat.

d)

It´s a lamp or a candle.

150.

How do we use electricity at home?

a)

When we play baseball.

b)

When we read a book.

c)

When we play with our friends.

d)

When we wash our clothes or heat our food.

151.

What does a plug do?

a)

It connects appliances to electricity.

b)

It does not connect appliances.

c)

It only connects wires.

d)

It is covered with plastic.

152.

Which material is the best to carry out electricity?

a)

Plastic carries electricity.

b)

Metal wires carry electricity.

c)

Only plugs carry electricity.

d)

Sockets carry electricity.

153.

How can we prevent accidents when using electricity?

a)

It is OK to touch plugs sockets with fingers.

b)

Using many plugs in one sucket.

c)

Keep electrical items away from water.

d)

Work in our computer and drinking water.

154.

One rule for using electricity is.....

a)

It is OK to iron and use your phone.

b)

Too many plugs at a time in one socket.

c)

Touch electrical items with wet hands.

d)

Never leave a plug near water.

155.

How can we tell if something is very hot?

a)

When we touch it.

b)

When we can see vapor.

c)

When we drink it.

d)

When we smell it.

156.

How can we measure the temperature of objects?

a)

With a thermometer.

b)

With an anemometer.

c)

With our hands.

d)

When the objects turn red.

157.

What is a thermal conductor?

a)

Plastic

b)

Wood

c)

A thermometer.

d)

Something made of metal.

158.

What is a safety tip when using electricity?

a)

Touch everything with your hands.

b)

Ask an adult to help with electical items.

c)

Leave the candles on.

d)

Play with matches.

159.

Choose the things that use electricity!

a)
b)
c)
160.

The ... uses electricity to keep food cold.

a)

Oven

b)

Kettle

c)

Refrigerator

161.

What can we do to use electricity safely?

a)

Do not put our finger or anything other than a plug into a socket

b)

Touch a switch with wet hands

c)

Use things with damaged wires

162.

What's the name from this part!

a)

Bulb

b)

Battery holder

c)

Wires

163.

Which of these tools doesn't use electricity?

a)
b)
c)
d)
164.

Is this toy car using electricity?

a)

Yes, it does

b)

No, it doesn't

165.

Choose what you should not do when using electricity?

The answer can be more than one.

a)
b)
c)
d)
166.

This object use electricity to toast bread. This object called...

a)

microwave

b)

rice cooker

c)

oven

d)

toaster

167.

Electricity is used in the vacuum cleaner to remove ...

a)

cloth

b)

heat

c)

dust and dirt

d)

pictures

168.

The meaning of the picture is...

a)

don't forget to wash your hands

b)

don't touch electricity with wet hands

c)

don't touch the wall

d)

don't touch the hand

169.

We use electricity to ...

a)

read

b)

cook

c)

swim

170.

When there is no electricity, it is ...

a)

dark

b)

light

c)

fun

171.

I use electricity to ... at night.

(a)  

172.

Electricity is ...

a)

cheap

b)

expensive

c)

free

173.

To save electricity, I ...

a)

turn off the lights all the time.

b)

turn on the lights all the time.

c)

turn off the lights when I don't use it.

174.

To save electricity, I ...

a)

turn off the TV when I don't use it.

b)

turn off the TV all the time.

c)

turn on the TV all the time.

175.

I open the curtain during the day.

a)
b)
c)
176.

To save electricity,

a)

I turn off the AC when I don't use it.

b)

I turn on the AC all the time.

c)

I turn off the AC all the time.

177.

To save electricity,

a)

I keep the referigerator door closed.

b)

I keep the door open.

c)

I keep the window open.

178.

... shower time.

(a)  

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