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Grade 3 - Science revision

Total questions: 40

Worksheet time: 27mins

Name
Class
Date
1.

Energy cannot be ____________ nor ________________.

a)

transformed

b)

created

c)

renewed

d)

destroyed

2.

What kind of energy makes the microwave work?

a)

Light energy

b)

Heat energy

c)

Electrical energy

d)

Chemical energy

3.

Identify the type of energy

a)

Heat energy

b)

Sound energy

c)

kinetic energy

d)

Electrical energy

4.

Identify the type of energy

a)

Electrical energy

b)

Kinetic energy

c)

Sound energy

d)

Light energy

5.

Choose the source of energy

a)

Fossil fuel

b)

Biomass

c)

Radioactive substance

d)

Wind

6.

Choose the source of energy

a)

Wind

b)

Water

c)

Sun

d)

Biomass

7.

The _______________ is transformed into electrical energy inside the battery.

a)

chemical energy

b)

sound energy

c)

kinetic energy

d)

potential energy

8.

What type of energy allows you to see the images and texts on your cell phone screen?

a)

Sound energy

b)

Heat energy

c)

Chemical energy

d)

Light energy

9.

What type of source do you need in this power plant?

a)

Fossil fuel

b)

The Sun

c)

Water

d)

Wind

10.

Sound energy is

a)

when an object is moving

b)

light you can see

c)

a sound you hear

d)

moves from hot to cold

11.

Electrical energy is...

a)

a food chain

b)

you napping

c)

can travel through wires

d)

the sun

12.

Solar energy...

a)

comes from water

b)

comes from the wind blowing

c)

comes from the foods you eat

d)

comes from the sun

13.

Identify the type of energy

a)

Thermal energy

b)

Mechanical energy

c)

Sound energy

d)

Electrical energy

14.
Animals obtain their energy from ....... 
a)
Food
b)
Sun
c)
Air
d)
Uranium
15.

Choose the type of energy

a)

Sound

b)

Thermal

c)

Electrical

d)

Chemical

16.

The picture showing the energy conversion

Chemical → heat

is:

a)
b)
c)
d)
17.

The picture showing the energy conversion

Electrical → light

is:

a)
b)
c)
d)
18.

What is the energy conversion when you put batteries in a flashlight to make it turn on?

a)

chemical to light

b)

light to kinetic

c)

chemical to thermal

d)

nuclear to light

19.

What kind of energy is represented in the picture?

a)

Heat

b)

Chemical

c)

Sound

d)

Nuclear

20.

A television converts electricity into

a)

light.

b)

sound.

c)

light and sound.

d)

light, sound, and heat.

21.
The way energy is passed from one organism to another
a)
food chain
b)
energy
c)
extinct
d)
habitat
22.

Who has more bones?

a)

children

b)

adults

23.

Which is Not protected by the rib cage?

a)

heart

b)

lungs

c)

brain

24.

The adult skeleton system is made up of about ______ bones

a)

260

b)

300

c)

206

d)

none of the above

25.

Can our skeleton can move without help from our muscles?

a)

yes

b)

no

26.

_________ is made inside our bones

a)

skeleton

b)

blood

c)

juice

d)

coffee

27.

This part of skeleton is called....

a)

Skull

b)

Pelvis

c)

Ribs

d)

Spine

28.

Animal that is grouped into endoskeleton is ____

a)
b)
c)
d)
29.

Snail is exoskeleton animal.

a)

TRUE

b)

FALSE

30.

Where are blood cells made?

a)

Stomach

b)

Pancreas

c)

Bone Marrow

d)

Feet

31.
What are animals with a backbone called?
a)
vertebrates
b)
invertebrates
c)
backies
32.
What group of vertebrates are robins and owls?
a)
fish
b)
mammals
c)
amphibians
d)
birds
33.
What group of vertebrates is a mouse?
a)
fish
b)
mammals
c)
amphibians
d)
birds
34.
What group of vertebrates is an elephant?
a)
fish
b)
mammals
c)
amphibians
d)
birds
35.
What are animals without backbones called?
a)
vertebrates
b)
invertebrates
c)
classify
d)
cold blooded
36.
What group of vertebrates is a chipmunk?
a)
amphibians
b)
mammals
c)
reptiles
d)
fish
37.
What group of vertebrates is a whale?
a)
mammals
b)
birds
c)
reptiles
d)
amphibians
38.
What group of vertebrates are snakes and lizards?
a)
amphibians
b)
reptiles
c)
mammals
d)
fish
39.
What group of vertebrates are salmon and tuna?
a)
birds
b)
mammals
c)
amphibians
d)
fish
40.
A red wolf is a __________ and a ________.
a)
producer and hunter
b)
consumer and carnivore
c)
decomposer and carnivore
d)
decomposer and omnivore

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