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Worksheets

Y3 Sci Mid Yr Revision

Total questions: 195

Worksheet time: 2hrs 52mins

Name
Class
Date
1.

I have life in me therefore i am _______

a)

Alive

b)

Not alive

c)

Non of the above

2.

Is this a living or non-living thing?

a)

Living thing

b)

Non-living thing

3.

Happiness and sadness can be felt by ___

a)

Non-living things

b)

Living things

c)

Non of them

4.

Bread , egg and butter set on a golden table are all examples of things that are______

a)

Alive

b)

Non-alive

c)

Bad

5.

Cars move when they are turned on,therefore they are living things.

a)

False

b)

True

c)

Non of the above

6.

This is an example of a _____

a)

Non-living thing

b)

Living thing

c)

Neither living nor non-living

7.

In this picture there is a woman pulling a plant. Can we say any of them is a non-living thing?

a)

Yes

b)

No

c)

Maybe

8.

Rain is from a natural source therefore it is a living thing.

a)

True

b)

False

9.

How can you tell if something is living or not living?

a)

Living things stay still

b)

Living things need food, water, air, and grow

c)

Living things fly

10.

Can non-living things die?

a)

Yes

b)

No

11.

Can a non-living thing eat food, drink water and grow?

a)

Yes

b)

No

12.

clouds

a)

Alive because they move

b)

Not alive, even though they move

c)

I am not sure

13.

A sunflower seed, is it alive?

a)

yes

b)

no

c)

I don't know

14.

Is an apple alive?

a)

Yes

b)

No

c)

I am not sure

15.

is a flower alive?

a)

yes

b)

no

c)

not sure

16.

Which of these has a fixed shape?

a)

solid

b)

liquid

c)

gas

17.

The process of liquid changes into gaseous is

a)

condensation

b)

evaporation

c)

melting

18.

________ takes the shape of the closed container.

a)

solid

b)

liquid

c)

gas

19.

__________ is an example of liquid.

a)

book

b)

door

c)

oil

20.

Which of the following things that melts?

a)

Butter

b)

juice

c)

oil

21.

Which of the following that flows?

a)

Stone

b)

Wafer

c)

Water

22.

_________ is invisible.

a)

solid

b)

liquid

c)

gas

23.

Which of the following is correctly matched.

a)

solid---pepsi

b)

liquid---computer

c)

gas---oxygen

24.

solids have definite shape.

a)

true

b)

false

25.

The process by which a ice cube changes into water is

a)

melting

b)

evaporation

c)

freezing

26.

Which is NOT a source of light?

a)

firefly

b)

ball

c)

sun

d)

torch

27.
Which source of light is natural?
a)
firworks
b)
lightbulb
c)
lightning
d)
headlights
28.
Which source of light is natural?
a)
firworks
b)
lightbulb
c)
lightning
d)
headlights
29.

A shadow is created when...

a)

an object blocks the light

b)

an object lets light pass thru

c)

an object is above light

30.

Shadows are shortest ...

a)

at night

b)

in the morning

c)

in the middle of the day

d)

in the evening

31.

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

32.

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

a)

opaque

b)

plastic

c)

transparent

33.
Translucent objects let only some light pass thru?
a)
False
b)
True
34.

We can see things around us because of light reflecting off the object and into our eyes?

a)

True

b)

False

35.
Light travels in..
a)
waves
b)
circles
c)
a straight line
36.

We can see things around us because of light reflecting off the object and into our eyes?

a)

True

b)

False

37.
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
38.

The brain is found in the chest.

a)

True

b)

False

39.

The lungs pump blood around your body.

a)

True

b)

False

40.

The lungs help us to breathe.

a)

True

b)

False

41.

Our sense organs send messages to our brain which helps to think.

a)

True

b)

False

42.

Food passes through stomach and then intestines.

a)

True

b)

False

43.

Our heart is about the size of our foot.

a)

True

b)

False

44.

Breathing rate decreases after exercise.

a)

True

b)

False

45.

Identify the organ.

a)

lungs

b)

heart

46.

Identify the organs.

a)

heart and lungs

b)

stomach and intestines

47.

Which nut looks like human brain?

a)

cashew

b)

almond

c)

raisin

d)

walnut

48.

The process of digesting food is called ______________.

a)

respiration

b)

digestion

49.

Different _________________ work together to help in the functioning of the human body.

a)

systems

b)

organs

50.

The process of breathing in oxygen and breathing out carbon dioxide is called _____________.

a)

digestion

b)

respiration

51.

Organs that belong to the respiratory system are

a)

esophagus, lungs, stomach

b)

nose, trachea, bronchi, lungs

52.

Organs that belong to the digestive system are

a)

trachea, stomach, small intestine, large intestine

b)

esophagus, stomach, small intestine, liver, pancreas, large intestine

53.

What is responsible for the exchange of gases?

a)

alveoli

b)

bronchus

54.

____________ helps the stomach to break down food further.

a)

stomach acid

b)

bile

55.

Liver and pancreas secrete ___________ and _______________.

a)

gases and fluids

b)

fluids and enzymes

56.

Liver secretes a fluid called _______________.

a)

bile

b)

acid

57.

The good nutrients are absorbed by the ________________ to send it to all parts the body through blood.

a)

stomach

b)

small intestine

58.

___________________ is responsible for pushing out the waste from our body.

a)

liver and pancreas

b)

large intestine

59.

Gases that exchange through respiration are _________________ and ______________________.

(a)  

60.

Food that we eat is converted into _______________.

a)

energy

b)

blood

61.

What makes a mammal a mammal

a)

legs

b)

backbone

c)

hair

62.

I can live on land and water.

a)

Yes

b)

No

63.

I have a backbone.

a)

Yes

b)

No

64.

Tick one characteristic of this animal.

a)

It has hair.

b)

It has gills.

c)

It has dry scaly skin.

65.

_________ are animals that have hair, are warm blooded, and drink milk when they are babies.

a)

Reptiles

b)

Mammals

c)

Fish

d)

Amphibians

66.

_____________ are animals that have hair, are warm blooded and drink milk when they are babies.

a)

Mammals

b)

Reptiles

c)

Amphibians

d)

Birds

67.

_______ spend part of their lives in water and part on land and they are cold-blooded.

a)

Birds

b)

Fish

c)

Amphibians

d)

Reptiles

68.

Which group does this animal belong ?

a)

Mammals

b)

Amphibians

c)

Fish

d)

Birds

69.

Choose the correct Animal Group.

a)

Mammals

b)

Reptiles

c)

Insects

70.
a)

Amphibians

b)

Mammals

c)

Birds

71.
Which animals have scales?
a)
Fish and reptiles
b)
Mammals, birds and amphibians
72.

Turtle is a....

a)

mammal

b)

bird

c)

insect

d)

reptile

73.

Frogs are ........................ . They can breathe both in the water and in on land.

a)

mammals

b)

fish

c)

amphibians

d)

birds

74.

My parrot has ................... with bright colours.

a)

scales

b)

fur

c)

fins

d)

feathers

75.

Birds use their .............. to fly.

a)

hands

b)

hair

c)

wings

d)

gills

76.

_________ are animals that have hair, are warm blooded, and drink milk when they are babies.

a)

Reptiles

b)

Mammals

c)

Fish

d)

Amphibians

77.

____________ live in water, have gills to breathe, scales and fins on their bodies, and are cold-blooded.

a)

Mammals

b)

Reptiles

c)

Fish

d)

Amphibians

78.

___________ live in water, have gills to breathe, scales and fins on their bodies and are cold-blooded.

a)

Amphibians

b)

Reptiles

c)

Mammals

d)

Fish

79.

_____________ are animals that have hair, are warm blooded and drink milk when they are babies.

a)

Mammals

b)

Reptiles

c)

Amphibians

d)

Birds

80.

_______ have scales, breathe air, are cold-blooded and usually lay eggs on land.

a)

Fish

b)

Birds

c)

Amphibians

d)

Reptiles

81.

_______ spend part of their lives in water and part on land and they are cold-blooded.

a)

Birds

b)

Fish

c)

Amphibians

d)

Reptiles

82.

It is a small animal covered in fur with a long tail. They climb trees and feed on nuts and seeds. Which group does it belong to?

a)

Amphibians

b)

Mammals

c)

Fish

d)

Birds

83.

It is a common animal with four legs, especially kept by people as a pet or to hunt or guard things. Which group does it belong to?

a)

Birds

b)

Reptiles

c)

Mammals

d)

Amphibians

84.

It is a large female animal that is kept on farms for its milk. It has black and white spots on its body. Which group does it belong to?

a)

Fish

b)

Birds

c)

Reptiles

d)

Mammals

85.

It is a very large plant-eating mammal with a trunk, long curved tusks, and large ears. It is the largest living land animal. Which category does it belong to?

a)

Mammals

b)

Fish

c)

Reptiles

d)

Amphibians

86.

It is a very large African animal with short legs, jaws, large tusks and thick, hairless skin. They live in and near rivers. Which category does it belong to?

a)

Reptiles

b)

Amhibians

c)

Mammals

d)

Fish

87.

It is type of a tropical bird with a curved beak, often kept as a pet and trained to copy the human voice.

a)

Fish

b)

Birds

c)

Mammals

d)

Reptiles

88.

The energy that flows through a food chain begins with

a)
Environment
b)
energy
c)
sun
d)
plants
89.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
90.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
91.
Who does the owl get energy from? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
92.
Who is the producer in this food chain? 
a)

sun

b)

tree

c)

caterpillar

d)

hawk

93.
What do Herbivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
94.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
95.

What is a Carnivore?

a)

Animal that eats only plants

b)

Animal that eats only meat

c)

Animal that eats both plants and meat

96.

Energy from the hermit crab goes directly to the -

a)

seaweed

b)

sea lion

c)

sun

d)

seagull

97.

Which organism is a consumer of the mouse?

a)

cricket

b)

grass

c)

fox

d)

Sun

98.

What is a food chain?

a)

The flow of energy from one thing to another

b)

The way animals eat each other

c)

The way the sun makes everything

d)

How the plants grow

99.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
100.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
101.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
102.
What animal is on the top of the food chain? 
*Remember Humans are on the top of all food chains because we do not get hunted. 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Owl
103.
What do Herbivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
104.

What do plants need to make their own food?

a)

Sun, Water, and Animals

b)

Sun, Coke, and Soil

c)

Sun, Water, and Soil

d)

Nothing at all

105.

An example of a predator:

a)

shark

b)

mouse

c)

rabbit

106.

An example of prey:

a)

lion

b)

mouse

c)

shark

107.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
108.

What is a decomposer?

a)
b)
c)
d)
109.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
110.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
111.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
112.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
113.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
114.
True/False
Food webs show you everything an animal eats. Food chains show you one thing.
a)
True
b)
False
115.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
116.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
117.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
118.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
119.
A puck slides along an icy surface. What makes it slow down?
a)
It runs out of push
b)
It rubs against the ice
c)
It runs out of electricity
120.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
121.

THE FRICTION FORCE IS A CONTACT FORCE.

a)

TRUE

b)

FALSE

122.

stnacirbul ( rewrite the word )

(a)  

123.

When you push an object .In which direction does force go from the force

a)

Opposite side as motion

b)

Same direction as motion

c)

Right side of motion

d)

Left Side of motion

124.

Friction _____________ motion

a)

Works in the same direction as

b)

Opposes

c)

Has not effect on

d)

Pulls against

125.
How can friction be reduced?
a)
reduce the force acting between the 2 surfaces
b)
reduce the roughness of the 2 surfaces coming in contact
c)
use wax, grease or oil
d)
all of the above are ways of reducing friction
126.
When two magnets have the same poles facing each other they will?
a)
attract
b)
repel
c)
attack one another
d)
spin
127.
A north pole and a south pole will attract.
a)
True
b)
False
128.
What do magnets stick to?
a)
copper
b)
wood
c)
iron
d)
plastic
129.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
130.
When two magnets repel, they ________________
a)
change color
b)
pull together
c)
push apart
d)
get colder
131.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
132.
a)

Magnetic

b)

Not magnetic

133.

Where on a magnet is the magnetic force strongest?

a)

The Poles

b)

All over

c)

Middle

134.

A magnet can attract any material contains...................

a)

wood

b)

plastic

c)

iron

135.

non-magnetic material is such as................

a)

paper clips

b)

glass cups

c)

scissors

136.

magnetic material is such as ..............

a)

iron scissors

b)

chair

c)

plastic cup

137.

North pole of magnet points to...................direction

a)

south

b)

north

c)

east

d)

west

138.

south pole of magnets points to...............direction.

a)

south

b)

north

c)

west

139.

magnetic materials are such as...............,.................

a)

wood and plastic

b)

iron nails and paper clips

c)

plastic cup

140.

when 2 magnets are put close to each other from the same poles they .................each other

a)

attract

b)

repel

141.

when 2 magnet are put from different poles they.................each other.

a)

attract

b)

repel

142.

is this material attracted by magnet ?

a)

yes

b)

no

143.

is this material attracted by magnet ?

a)

yes

b)

no

144.

Colour of our planet earth

a)

Green and blue

b)

Pink and white

c)

none

145.

Other than spherical shape earth is also described as ____ figure

a)

Geoid

b)

Big

c)

None

146.

Our earth is bulging out like _______

a)

pumpkin

b)

gourd

c)

none

147.

Rotation means _______ of earth

a)

spinning

b)

moving

c)

none

148.

One rotation of earth takes 24 hours.

a)

True

b)

False

149.

The shape of the_____changes everyday.

a)
b)
c)
d)
150.

The Earth gets heat and light from the________.

a)
b)
c)
d)
151.

Our solar system has 8 _____________

a)

stars

b)

moons

c)

planets

d)

suns

152.

The Moon moves around the_______.

a)
b)
c)
d)
153.

_________needs heat and light to survive.

a)

Living things

b)

Non-living things

c)

planets

d)

stars

154.

The Sun is a huge ball of burning gases.

a)

Yes

b)

No

155.

The empty space around the Earth which consists of the Sun,the Moon and the stars is called the universe.

a)

Yes

b)

No

156.
The order of the planets is:
a)
Mars,Venus,Earth,
Mercury,Saturn
Jupiter, Uranus, Neptune
b)
Earth,Venus,Mars
Jupiter, Neptune,
Mercury,Saturn,
Uranus
c)
Mercury,Venus,Earth
Mars,Jupiter,
Saturn,Uranus
Neptune
157.
Only planet known to have life
a)
Earth
b)
Mars
c)
Venus
d)
Mercury
158.

We live in the Solar System

a)

True

b)

False

159.

The sun moves around the planets

a)

True

b)

False

160.

The sun gives...

a)

rock and water

b)

light and water

c)

light and heat

d)

rocks

161.

The _____________ is the closest star to the Earth.

a)

North Star

b)

moon

c)

Sun

d)

blue star

162.

Stars are always in the sky even though you can't see them during the day.

a)

True

b)

False

163.

_____________ are hot balls of burning gas.

a)

The moon

b)

Shadows

c)

Planets

d)

Stars

164.

The sun and the objects in space that orbit around the sun make up the ___________________.

a)

Solar System

b)

Moon

c)

Earth

165.

What is the pattern of changes the moon goes through as it travels around the Earth called?

a)

reflection

b)

sun phases

c)

moon phases

d)

full moon

166.

How long does it take Earth to make one revolution?

a)

One hour

b)

One day

c)

One year

d)

One season

167.

Why does Earth experience seasons? (Choose all correct answers)

a)

because of its tilt on its axis

b)

because of its revolution around the sun

c)

because of the moon

d)

because the sun heats up and cools down over time

168.

Which phase of the moon is shown here?

a)

New

b)

Full

c)

Crescent

d)

Gibbous

169.

What constellation is shown here?

a)

Leo

b)

Pleaides

c)

Orion

d)

Scorpius

170.

This object borrows its light from the Sun..

a)
b)
171.

True or False - The moon makes its own light.

a)

True

b)

False

172.

The moon appears to change its shape because _______.

a)

it moves around the Earth.

b)

it moves around the Sun.

173.

It takes the Moon ________ to travel around Earth.

a)

one year

b)

one hour

c)

one month

174.

When the Moon is completely dark we call it a __________.

a)

Full Moon

b)

New Moon

c)

Crescent Moon

175.

This is an example of a ____________.

a)

Full Moon

b)

New Moon

c)

Crescent Moon

176.

When the moon is completely lit up, we call it a _____________.

a)

Full Moon

b)

New Moon

c)

Crescent Moon

177.

Look at how the moon appears to change. We see ______ of lighted side of the moon.

a)

less

b)

more

178.

The Moon is made of _____________.

a)

gases

b)

rock

179.

The Moon has several craters. What are craters?

a)

Holes on the moon.

b)

Aliens that live on the Moon.

180.

Which tool could we use to see things faraway like the Moon ?

a)

A compass

b)

A telescope

c)

A ruler

181.
The earth orbits around...
a)
The sun.
b)
the moon
c)
other planets
d)
the Milky Way
182.
It takes the Earth _______ days to travel all the way around the Sun.
a)
28
b)
100
c)
24
d)
365
183.
When the Earth spins around its own axis one whole time, it is called a ....
a)
Year
b)
Day
c)
Hemisphere
d)
Seasons
184.
What is the phase of this moon?
a)
Third Quarter
b)
Waning Crescent
c)
First Quarter
d)
Waning Gibbous
185.
What is responsible for the moon's illumination?
a)
infrared rays
b)
sunlight reflecting on the surace of the moon
c)
sunlight bouncing off the earth's atmosphere
d)
gamma rays
186.
What is at the center of the Solar System?
a)
Earth
b)
Moon
c)
Sun
d)
Jupiter
187.
It takes the Earth ___ hours to complete a rotation.
a)
12
b)
24
c)
50
d)
365
188.
Does the Moon travel around Earth or around the Sun?
a)
Earth
b)
Sun
189.
bowl-shaped indents or cavities on the surface of a planet, moon, or asteroid that are caused by a collision with another object, such as a meteorite.
a)
gravity
b)
orbit
c)
craters
d)
axis
190.
Name the moon phase
a)
First Quarter
b)
Last Quarter
c)
New Moon
d)
Full Moon
191.
Is the sun a star?
a)
yes
b)
no
192.
The hottest color star is 
a)
Blue
b)
White
c)
Yellow
d)
Red
193.
True or False:
Star patterns are called constellations.
a)
T
b)
F
194.
True or False
The Sun is the biggest star in the sky.
a)
True
b)
False
195.
When the moon appears to be "getting smaller", we call this _______________.
a)
Waxing
b)
Waning
c)
Shrinking
d)
Disappearing

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3rd Grade