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Worksheets

Yunit 3 Science

Total questions: 70

Worksheet time: 36mins

Name
Class
Date
1.

__ is the ability to do work.

a)

Energy

b)

Sun

c)

Candle

d)

Light

2.

It is the main source of energy.

a)

Energy

b)

Sun

c)

Candle

d)

Light

3.

It is a kind of energy that came from the Sun that makes us feel warm.

a)

Energy

b)

Sun

c)

Heat energy

d)

LIght energy

4.

It is a kind of energy that makes our surroundings bright and visible

a)

Energy

b)

Sun

c)

Heat energy

d)

LIght energy

5.

Candle light, flourescent bulb light, flashlight, and bonfires are called artificial resources or man-made resources.

a)

False

b)

True

6.

Natural source or Artificial source: Sun

a)

Natural

b)

Artificial

7.

Natural source or Artificial source: candle

a)

Natural

b)

Artificial

8.

Natural source or Artificial source: lighted match

a)

Natural

b)

Artificial

9.

Natural source or Artificial source: fireworks

a)

Natural

b)

Artificial

10.

Natural source or Artificial source: flashlight

a)

Natural

b)

Artificial

11.

Natural source or Artificial source: lightning

a)

Natural

b)

Artificial

12.

Natural source or Artificial source: light bulb

a)

Natural

b)

Artificial

13.

Natural source or Artificial source: bonfire

a)

Natural

b)

Artificial

14.

Check all the sources of energy

a)

falling water

b)

wind

c)

batteries

d)

coal

e)

wood

15.

Some sources of energy are changed to electricity.

a)

True

b)

False

16.

Electricity cannot make our gadgets and appliances work

a)

True

b)

False

17.

Fuels can move machines.

a)

True

b)

False

18.

What does LPG stands for?

a)

Liquefied Petroleum Gas

b)

Land People Gas

c)

Low Part Gas

19.

Food gives energy to human beings and animals

a)

True

b)

False

20.

The wind can rotate the blades of windmills

a)

True

b)

False

21.

It is a kind of energy that is produced when an object vibrates.

a)

Heat energy

b)

Light energy

c)

Sound energy

d)

Vibrations

22.

It is the back and forth movement of something like air.

a)

Heat energy

b)

Light energy

c)

Sound energy

d)

Vibrations

23.

It is usually soft sounds that are good to hear.

a)

Heat energy

b)

Pleasant sounds

c)

Sound energy

d)

Vibrations

24.

These sounds are loud sounds that are harmful to the ears

a)

Unpleasant sounds

b)

Pleasant sounds

c)

Sound energy

d)

Vibrations

25.

Too much heat can cause ____.

a)

sadness

b)

skin cancer

c)

Artificial energy

d)

Vibrations

26.

Pick all the ways to protect you from the sun.

a)

Use an umbrella or hat while walking under the heat of the Sun.

b)

Use long-sleeved shirts

c)

Apply sunblock

d)

Wear sunglasses

e)

Wear shorts while working under the sun

27.

It is a painful reddish skin irritation.

a)

Sunburn

b)

Sunblock

c)

Sunheat

d)

Sunshine

28.

Which time of the day is the hottest?

a)

noontime

b)

morning

c)

evening

29.

What does the Sun give off?

a)

both heat and light

b)

heat only

c)

light only

30.

At what time of the day is it safe for children to play outside?

a)

From 4:00 o'clock to 7:00 o'clock at night

b)

From 8:00 o'clock to 10:00 o'clock in the morning.

c)

From 12:00 o'clockto 3:00 o'clock in the afternoon.

31.

Which of the activity can create the greatest vibration?

a)

flipping the pages of a book

b)

counting the value of coins

c)

beating a drum

32.

What should a swimmer do to be protected from the heat of the Sun during a swimming event?

a)

wear a hat

b)

wear sunglasses

c)

Apply sunblock on skin before the swimming event.

33.

Which is not an artificial or man-made source of light?

a)

fireworks

b)

flashlight

c)

Sun

34.

Which of the following pairs can you use to protect yourself from the heat of the Sun?

a)

shoes and bag

b)

cardboard and fan

c)

cap and umbrella

35.

Which can make pleasant sounds?

a)

ambulance and truck

b)

airplane and firetruck

c)

bird and singing child

36.

In what place must silence be observed at all times?

a)

market

b)

playground

c)

church

37.

Which noise is allowed?

a)

firecrackers

b)

shouting in the classroom

c)

ambulance siren

38.

Your whispering can harm your classmate's ears.

a)

True

b)

False

39.

Waterfalls can move machines that produce electricity

a)

True

b)

False

40.

The barking of a dog can frighten strangers

a)

True

b)

False

41.

We must shout every thime we talk to our classmates.

a)

True

b)

False

42.

Many artificial sources of light are very useful

a)

True

b)

False

43.

The heat from the Sun can be harmful to our skin.

a)

True

b)

False

44.

Soft sounds and loud sounds can both be important

a)

True

b)

False

45.

It is good to read a book in a dimly-lighted room

a)

True

b)

False

46.

The Sun is an artificial source of light

a)

True

b)

False

47.

Plants can make their food without sunlight.

a)

True

b)

False

48.

It is a push or a pull that is applied on an object.

a)

Force

b)

Push

c)

Pull

49.

To ____ is to move something away from you.

a)

Force

b)

Push

c)

Pull

50.

To ____ is to move something toward you

a)

Force

b)

Push

c)

Pull

51.

Pick all the causes why things move.

a)

water

b)

Wind

c)

animals

d)

magnets

e)

electricity

52.

We pull when we open a car door

a)

True

b)

false

53.

We pull the doorbell button to produce sound.

a)

True

b)

false

54.

We push the string of a kite when flying it.

a)

True

b)

false

55.

It is a change in the position of an object. It can happen when force is applied.

a)

Motion

b)

Force

c)

Light energy

56.

Can living things move by themselves

a)

Yes

b)

no

c)

Maybe

57.

Seesaws, elevators, escalaters can move ___

a)

Up and down

b)

round in circles

c)

Forward and backward

58.

roller coasters, ferris wheels and merry-go-rounds can move___

a)

Up and down

b)

round in circles

c)

Forward and backward

59.

Cars, bicycles, tricycles can move___

a)

Up and down

b)

round in circles

c)

Forward and backward

60.

Which cannot move by themselves?

a)

living things

b)

both living things and nonliving things

c)

nonliving things

61.

What can make a kite fly in the sky?

a)

wind

b)

water

c)

magnet

62.

Which is applied to move living or nonliving things?

a)

force

b)

motion

c)

energy

63.

Which can move by themselves?

a)

plants and animals

b)

marbles and stones

c)

seesaws and elevators

64.

Which action requires a pull?

a)

opening a door

b)

cutting a piece of paper

c)

moving a chair forward

65.

Which of the following involves body motion?

a)

sitting

b)

washing the car

c)

looking in the mirror

66.

Which can move up and down?

a)

escalator and elevator

b)

merry-go-round

c)

car and truck

67.

Which of the pair canot be moved by a magnet

a)

escalator and elevator

b)

merry-go-round

c)

car and truck

68.

Which pair requires the use of electricity?

a)

cellphone and computers

b)

shoes and slippers

c)

pencil and pen

69.

What will you do if you see someone being pushed by a classmate?

a)

Tell your teacher about it

b)

Push your classmate also

c)

Keep silent about it

70.

What will you do if you see someone being pushed by a classmate?

a)

Tell your teacher about it

b)

Push your classmate also

c)

Keep silent about it