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Worksheets

Grade 3 Review

Total questions: 100

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

Which part of a plant is this?

a)

Roots

b)

Leaf

c)

Stem

d)

Flower

2.

The (a)   is the part of the plant that holds it up.

3.

Which is a function of the roots?

a)

reproduce

b)

supports the plant

c)

absorbs water and mineral salts from the soil

d)

make food

4.

Which is a function of the leaves?

a)

to provide support

b)

to reproduce

c)

to make food

d)

to absorb water

5.

Which is a function of the stem?

a)

to hold the plant firmly to the ground

b)

to support the plant

c)

to absorb water and mineral salts from the soil

d)

to make food for the plant

6.

Which is a function of the flower?

a)

to develop into fruits which contains seed for reproducttion

b)

to make food through photosynthesis

c)

to hold the plant firmly to the ground

d)

to absorb water and mineral salts from the soil

7.

This part of the plant holds the plant in the ground and gets water and nutrients from the soil.

a)

stem

b)

leaves

c)

flower

d)

roots

8.

The ___________ absorb sunlight to help make food for the plant.

a)

seed

b)

stem

c)

roots

d)

leaves

9.

The _________ helps hold the plant up and carries water and nutrients to the rest of the plant from the roots.

a)

leaves

b)

roots

c)

stem

d)

seed

10.

The tiny openings on the leaf help plants to _____________.

a)

hold the leaves up so they can get sunlight to make food.

b)

absorb nutrients from the soil

c)

take in and give out gases.

11.

What does plant needs in order to survive?

a)

air

b)

sunlight

c)

water

d)

food

12.

The ______ help to hold the plant firmly to the ground.

a)

leaves

b)

stem

c)

roots

d)

flowers

e)

fruits

13.

What plant structure is number 1?

a)

roots

b)

stem

c)

leaf

d)

flower

e)

seed

14.

What plant structure is number 2?

a)

roots

b)

stem

c)

leaf

d)

flower

e)

seed

15.

Plants are able to make their own food because they-

a)

have special parts

b)

live in different places

c)

don't have a mouth

d)

grow from seeds

16.

Plants are really important for the planet and for all living things.

a)

True

b)

False

17.

Plants absorb _______ and release _______ from their leaves.

a)

carbon dioxide; oxygen

b)

oxygen; carbon dioxide

18.

Humans and other animals need (a)   to breathe.

19.

Can we make paper out of trees?

a)

Yes

b)

No

20.

Aloe Vera is an example of a medicinal plant.

a)

True

b)

False

21.

We can also make clothes from plants like cotton.

a)

True

b)

False

22.

We must not cut down too many trees or else there will be less oxygen.

a)

True

b)

False

23.

Wooden houses are made out of trees.

a)

True

b)

False

24.

Plants are food for us too.

a)

True

b)

False

25.

Lavender is an example of a medicinal plant.

a)

True

b)

False

26.

 

Which images show us how to care for plants?

a)
b)
c)
27.

We should not put the plants in spaces where they can get sunlight.

a)

True

b)

False

28.

We should not pick flowers in the park.

a)

True

b)

False

29.

Sunlight does not help plants. 

Sunlight does not help plants.

a)

True

b)

False

30.

Plants give off oxygen that makes air good to breathe in.

a)

True

b)

False

31.

Everything is classified as either

a)

slippery and dry

b)

living and nonliving

c)

hard and soft

d)

yummy and gross

32.

To distinguish between living and nonliving things, all living things

a)

respond to their environment, grow, need nutrients and air, reproduce, and need space

b)

are known by their movement and need for nutrients

c)

can sit still for a long period of time

d)

have a smell

33.

An example of a living thing is

a)

a rock

b)

a spoon

c)

a desk

d)

a plant

34.

An example of a nonliving thing is

a)

a plant

b)

a leaf

c)

a rock

d)

a wooden door

35.

An example of a living thing

a)

a phone

b)

a song

c)

a computer

d)

a turtle

36.

An example of a nonliving thing is

a)

a child

b)

a mushroom

c)

a table

d)

a mosquito

37.

I can test an object to see if it is living by asking

a)

does it move when thrown, is it heavy, is it slippery?

b)

did it grow, can it reproduce, does it need nutrients, and is it made up of cells?

c)

is it pretty, is it hard, is it dry?

d)

is it made up of elements, does it eat?

38.

I can test an object to see if it is nonliving by asking

a)

does it move when thrown, is it heavy, is it slippery?

b)

did it grow, can it reproduce, does it need nutrients, and is it made up of cells?

c)

is it pretty, is it hard, is it dry?

d)

is it made up of elements, does it eat?

39.

If an object can grow, needs nutrients, can reproduce, and needs space it is ________________

a)

living

b)

nonliving

40.
Is it a living or a non-living thing?
a)
Living thing
b)
Non-living thing
41.
Is it a living or a non-living thing?
a)
Living thing
b)
Non-living thing
42.
Is it a living or a non-living thing?
a)
Living thing
b)
Non-living thing
43.
Is it a living or a non-living thing?
a)
Living thing
b)
Non-living thing
44.
Which of the following is a living thing?
a)
Door
b)
Window
c)
Dog
d)
School Building
45.
Which of the following is an example of a nonliving thing?
a)
Student
b)
Teacher
c)
Elephant
d)
Desk
46.

Which of these reproduces?

a)

slime

b)

fire

c)

book

d)

kitten

47.
Any change in an organism's environment
a)
Response
b)
Offspring
c)
Autotroph
d)
Stimulus
48.
The product of reproduction (the baby)
a)
Heterotroph
b)
Offspring
c)
Organism
d)
Sexual Reproduction
49.
a process where an organism becomes larger (bigger in size)
a)
Growth
b)
Development
c)
Stimulus
d)
Response
50.
Requires 2 parents and the offspring have some characteristics from each parent
a)
Sexual Reproduction
b)
Asexual Reproduction
c)
Growth
d)
Offspring
51.
What is known as the production of offspring?
a)
Reproduction
b)
Growth
c)
Development
d)
Homeostasis
52.

Don’t _____ electricity – switch your computer off when you aren’t using it!

a)

damage

b)

waste

c)

throw away

d)

save

53.
Factory waste _____ our rivers
a)
pollutes
b)
harmless
c)
pollution
54.

We should...

a)

turn off water

b)

use public transport

c)

take short showers

d)

turn off the tap

55.
Where is pollution found on Earth?
a)
in water and land
b)
only in air
c)
in air, land and water
d)
in air and water
56.
Do we need to conserve water?
a)
Yes.
b)
No.
57.

When conserving water, the 3Rs we need to remember are:

a)

Remove, Reuse, Recycle

b)

Report, Remove, Reduce

c)

Reduce, Reuse, Recycle

d)

Reduce, Reuse, Rethink

58.
Name a place that a plant or animal lives in its environment where its needs are met.
a)
energy
b)
extinct
c)
food chain
d)
habitat
59.

The source of energy needed to move the windmills is ____

a)

The sun

b)

Wind

c)

Air

d)

Batteries

60.

What causes air pollution?

a)

car engines

b)

airplanes

c)

factories

d)

all of the above

61.
_____ is when there is a change in a object's position as compared to other objects around it.
a)
motion
b)
position
c)
speed
d)
velocity
62.

Comparing your location to a starting point, or _______________, helps describe where you are.

a)

position

b)

relative

c)

specify

d)

reference point

63.

The people on a bus are not moving in relation the seats inside the bus, but they are in _______________ compared to the streets outside.

a)

position

b)

displacement

c)

reference point

d)

motion

64.
How fast or slow an object is moving.
a)
Direction
b)
Position
c)
Distance
d)
Speed
65.

An object is _____ if its position changes.

a)

in motion

b)

at reset

c)

a frame of reference

d)

magical

66.

A swing moves ..........................

a)

straight line

b)

back and forth

c)

round and round

d)

zig zag

67.

An object is _____ if its position changes.

a)

in motion

b)

at reset

c)

a frame of reference

d)

magical

68.

The location of a place or an object is called...

a)

position

b)

motion

c)

speed

d)

reference point

69.
You call a friend up, and the two of you agree to meet up at the mall before going to grab a bite to eat.  What is the reference point in this scenario?
a)
The mall
b)
The restaurant
70.
You agree to meet up with your family at the front of the baseball field before going to watch your little brother’s game.  What is the reference point in this scenario?
a)
The front of the baseball field
b)
The baseball game
71.
A friend calls you up and asks you for directions to your house from his/her house.  What is the reference point in this scenario?
a)
Your house
b)
The friend's house
72.
You and your family decided to go to the beach one weekend, and on the way down there, you get lost.  Your father pulls over at a local Shell Station to figure out the rest of the way.  With no clue where to go, your father calls your uncle who lives in the area, and your uncle gives your father directions on how to get to the beach from the Shell Station.  Based on this information, what is the reference point in this scenario?
a)
The beach
b)
Shell Station
73.

_______ is the act of moving.

a)

position

b)

distance

c)

motion

74.

A push or a pull that makes something move is called a ________.

a)

position

b)

force

c)

motion

75.

This is an example of something that ____.

a)

slides

b)

rolls

c)

spins

76.

This is an example of something that ____.

a)

slides

b)

rolls

c)

spins

77.

This is an example of something that ____.

a)

slides

b)

rolls

c)

spins

78.

This is an example of something that is being ____.

a)

pushed

b)

roled

c)

pull

79.

This is an example of something that is being ____.

a)

pushed

b)

roled

c)

pulled

80.

A push or pull that causes an object to move, stop, or change direction

a)

Measure

b)

Force

81.

How an object moves from one place to another

a)

Observe

b)

Motion

82.

-------------------------------- forces are equal forces acting on one object in opposite directions. (balanced, unbalanced)



(a)  

83.

The children are playing tug of war. They both pull on the rope. The rope moves to the left. Are the forces acting on the rope balanced or unbalanced?

(a)  

84.

The boat is moving on the river.

a)

electricity

b)

magnetic force

c)

moving water

85.

The pinwheel spins.

a)

electricity

b)

moving water

c)

wind

86.

The push pins are pulled together.

a)

electricity

b)

gravity

c)

magnetic force

87.

The coconut falls from the tree.

a)

electricity

b)

gravity

c)

magnetic force

88.

The laptop is turned on.

a)

electricity

b)

gravity

c)

wind

89.

The girl is pushing a grocery cart.

a)

electricity

b)

muscular force

c)

wind

90.

The rice cooker is turned on.

a)

electricity

b)

gravity

c)

moving water

91.

What makes this object move?

a)

Wind

b)

Water

c)

Electricity

d)

Push or Pull

92.

What makes this object move?

a)

Wind

b)

Water

c)

Electricity

d)

Push or Pull

93.

What makes this object move?

a)

Wind

b)

Magnet

c)

Electricity

d)

Push or Pull

94.

What makes this object move?

a)

Wind

b)

Water

c)

Electricity

d)

Push or Pull

95.

What makes this object move?

a)

Wind

b)

Water

c)

Electricity

d)

Push or Pull

96.

What makes this object move?

a)

Wind

b)

Magnet

c)

Electricity

d)

Water

97.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
98.

Tug of war is what type of force ?

a)

pull

b)

push

c)

speed

99.

Gravity pushes you down to the earth.

a)

True

b)

False

100.

This is the force from magnets that makes the magnetic objects move.

a)

wind

b)

electricity

c)

moving water

d)

magnetism