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Science Revision 2-Grade 1

Total questions: 70

Worksheet time: 43mins

Name
Class
Date
1.

What is the function of the buzzer ?

a)

to make a sound

b)

to make a light

2.

What is the function of motor?

a)

to connect the cell to the bulb

b)

to make something spins around

3.

which thing that use motor?

a)

Fan

b)

Alarm

4.

which thing that use buzzer ?

a)

Hand phone

b)

Washing machine

5.

what is the function of switch ?

a)

can be used to turn electricity on and off

b)

produce a light and sound

6.

look at the picture!


what is this called?

a)

Buzzer

b)

Bulb

7.

look at the picture!


what is this called?

a)

Buzzer

b)

Motor

8.

Never touch a switch with wet hands.

a)

True

b)

False

9.

Some things here used motors, except ...

a)

Fan

b)

Washing Machine

c)

Door Bell

10.

Radio and alarm used ... to make the sounds.

a)

motors

b)

buzzers

c)

switches

11.

True or False, windmill needs buzzers.

a)

True

b)

False

12.

Does mixer use buzzers or motors?

a)

Motors

b)

Buzzers

13.

An object that uses electricity to make something move and spin round called....

a)

buzzer

b)

motor

14.

The red wire from the buzzer must be connected to the positive side of the cell. Do you think the buzzer will work by this way?

a)

Yes

b)

No

15.

Sella connects the red wire from the buzzer to the negative side of the cell. Do you think this way will make buzzer work?

a)

No

b)

Yes

16.

Why does the right circuit have the light bulb on?

a)

Because the switch is closed

b)

Because the switch is opened

c)

Because it has the switch

17.

Why does the left circuit have no light bulb?

a)

Because the switch is closed

b)

Because the switch is opened

c)

Because it has switch

18.

A device for making, breaking, or changing the connections in an electrical circuit called as.....

a)

circuit

b)

wires

c)

switch

19.

What is the right warning for this picture?

a)

Never touch the damaged wire with wet hands

b)

Never touch the switch with wet hands

c)

Never touch the main electricity with wet hands

20.

Vacuum needs .... to be used.

a)

buzzer

b)

motor

21.

An object which makes a buzzing noise when electricity passes through it called as....

a)

Motor

b)

Buzzer

22.

look at the picture!


what is this called?

a)

Switch

b)

wire

23.

A motor can make things ____________

a)

long

b)

spin around

24.

Choose the picture with the motor.

a)
b)
25.

Choose the picture with the buzzer.

a)
b)
26.

What is used in a motorbike?

a)

motor

b)

buzzer

c)

motor and buzzer

27.

What is used in a washing machine?

a)

motor

b)

buzzer

c)

motor and buzzer

28.
When it is day on one side of the Earth, what is it on the other side of the Earth?
a)
Summer
b)
Winter
c)
Night
d)
Day
29.
What happens as Earth rotates?
a)
The sun appears to rise
b)
The sun moves across the sky
c)
The sun appears to set
d)
All of the above
30.
Which direction does the sun appear to rise in?
a)
South
b)
North
c)
East
d)
West
31.
As the Earth turns, the Sun moves higher in the sky.
a)
True
b)
False
32.
As Earth continues to rotate and turn, the Sun seems to move as it sets in the ______.
a)
East
b)
South
c)
North
d)
West
33.
You are getting ready for school.  On the other side of the world, students are getting ready for _______.
a)
school
b)
bed
c)
breakfast
d)
lunch
34.
If the earth didn't rotate on its axis.  What natural cycle would this affect?
a)
seasons
b)
tides
c)
day and night
d)
moon phases
35.

How does Earth’s rotation cause day and night?

a)

As Earth rotates toward the east, the sun appears to rise in the west and set in the east.

b)

As Earth rotates toward the east, the sun appears to rise in the east and set in the west.

c)

Earth rotates in a clockwise direction, which makes the sun appear in the sky during the day.

d)

Earth’s rotation does not cause day and night; its revolution does.

36.
Which of the following means to turn on an axis?
a)
relax
b)
rotate
c)
revolve 
d)
return
37.

The sun is bigger than the Earth.

a)

True

b)

False

38.

The _____ moves around the Earth.

a)

moon

b)

sun

39.

When the sun appears its called a ______.

a)

sunset

b)

sunrise

40.

When the sun goes down its called a ________________.

a)

sunrise

b)

sunset

41.

If the Earth makes 1 spin around its called a _________________.

a)

twirl

b)

rotation

42.

It is ____ when our part of the Earth faces the sun.

a)

day

b)

night

43.

It is _____ when our part of the Earth faces away from the sun.

a)

day

b)

night

44.

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

a)

longer

b)

gone

c)

shorter

d)

darker

45.

When the sun gets lower in the sky, shadows get______.

a)

longer

b)

gone

c)

shorter

d)

darker

46.

Shadows are longest during _______.

a)

morning and evening

b)

noon

c)

night

47.

Shadows are shortest around______.

a)

morning and evening

b)

noon

c)

night

48.
Where does the sun rise? 
a)
North
b)
South
c)
East
d)
West
49.
Where does the sun set? 
a)
North 
b)
South
c)
East
d)
West
50.
Which light source causes shadows in the outdoor environment? 
a)
The Sun
b)
The Lightbulb
c)
The House
d)
The School
51.

When was this picture most likely taken?

(Hint: think about the shadow's length)

a)

morning or evening

b)

night

c)

noon

d)

afternoon

52.

what is shadow?

a)

light area on the ground?

b)

dark area on the ground

53.

which pictures shows shadow?

a)
b)
c)
54.

how shadows is form?

a)

when light is not block by an object

b)

when light travels through a hole

c)

when light is block by an object

55.

shadow come in different __________ and ____________

a)

shapes

b)

colors

c)

sizes

56.

shadow can be _______________ or ______________________

a)

long

b)

color

c)

short

d)

shape

57.

we can make shadow using a light from torch?

a)

yes

b)

no

58.

which one is the shadow of the egg?

a)
b)
c)
59.

guess the right image of the shadow above

a)
b)
c)
60.

choose the correct shadow of the image above

a)
b)
c)
61.

which statement is TRUE?

a)

we can see shadow in the dark

b)

we can see shadow when there is no light

c)

we can see shadow when there is a light

62.

which one is the shadow of the star?

a)
b)
c)
63.

which is the image of the shadow?

a)
b)
c)
64.

If you stand still, your shadow will keep moving.

a)

True

b)

False

65.

What is happening to the light in this picture?

a)

There is no light.

b)

The light is being blocked by the tree.

c)

The tree is making a shadow by itself.

66.
Light travels
a)
around corners
b)
in a straight line
67.

Shadows made by the sun are shorter…

a)

in the morning while the sun when the sun is rising

b)

at midday when the sun is directly overhead

c)

in the evening when the sun is setting

68.
Which is NOT a source of light?
a)
firefly
b)
ball
c)
sun
d)
falshlight
69.

Look at the picture

Is the Sun high or low?

a)

low

b)

high

c)

straight

d)

night

70.

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

a)

12:00 p.m (noon)

b)

2:00 p.m.

c)

1:00 p.m.

d)

7:00 a.m.

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