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Worksheets

Year 3 Science

Total questions: 50

Worksheet time: 28mins

Name
Class
Date
1.

How can you help prevent tooth decay?

a)

Brush with fluoride toothpaste

b)

Don’t eat sweets between meals

c)

Both A and B

2.

All food chains begin with a

a)

An arrow

b)

Producer

c)

Consumer

d)

Animal

3.

Potatoes provide me

a)

fibre

b)

protein

c)

carbohydrate

4.

An animal's home is called its _____________________.

a)

house

b)

hole

c)

habit

d)

habitat

5.

Which part of the plant takes in water and minerals from the soil?

a)

the stem

b)

the fower

c)

the leaf

d)

the root

6.

Which of the following objects cannot absorb water?

a)
b)
c)
d)
7.

Rice is classified as _______________.

a)

fats

b)

sugars

c)

carbohydrates

8.

Eating eggs provide ____________ for my growth.

a)

protein

b)

fibre

c)

carbohydrate

9.

What is the importance of water?

a)

to provide energy

b)

to regulate body temperature

c)

for growth

10.

The food above is classified as...

a)

protein

b)

fats

c)

carbohydrate

d)

vitamins

11.

The food above is classified as...

a)

protein

b)

fats

c)

carbohydrate

d)

vitamins

12.

The food above are important for...

a)

providing energy

b)

growth

c)

preventing constipation

d)

warming up our body

13.

I don't like to eat fruits and vegetables. What will happen to me?

a)

Fever

b)

Getting fatter

c)

Constipation

14.

The food class above is...

a)

Protein

b)

Carbohydrate

c)

Fibre

15.

This animal is a _____________.

a)

carnivore

b)

herbivore

c)

omnivore

16.

Which animal eats plant only?

a)
b)
c)
d)
17.

These animals eat both plant and other animal EXCEPT...

a)

Rabbit

b)

Monkey

c)

Bird

d)

Chicken

18.

Animals that eat plant only are known as...

a)

carnivore

b)

omnivore

c)

herbivore

19.

Animals that eat both plants and other animals are known as...

a)

herbivore

b)

carnivore

c)

omnivore

20.

Monkeys are carnivores.

a)

True

b)

False

21.

A snake is a ____________.

a)

carnivore

b)

omnivore

c)

herbivore

22.

Select the things that are non-living. Choose two.

a)

mushroom

b)

fire

c)

flower

d)

water

23.
Which part of the plant makes new food?
a)
Leaf
b)
Flower
c)
Root
d)
Stem
24.
A flower has just grown on a plant. What is the next stage of the life cycle?
a)
Fertilisation
b)
Seed dispersal
c)
Germination
d)
Pollination
25.
A stick of celery is placed in red water. What will happen next?
a)
Nothing.
b)
It will grow roots.
c)
The leaves will turn red.
d)
The leaves will fall off.
26.
Some wild flowers have petals with bright colours because…
a)
They are pretty.
b)
To attract birds and bees.
c)
They have ALL been placed in dye.
d)
The sun makes them bright.
27.
Birds and insects are important for plant growth because they help with….
a)
fertilisation
b)
germination
c)
seed dispersal
d)
keeping the plant healthy
28.

What is the function of the stem?

a)

Carry water and minerals to the plant and keep it upright.

b)

Create seeds.

c)

Absorb water and minerals and keep plants ‘anchored’.

d)

Make new food for the plant.

29.

What is the function of the leaf?

a)

Carry water and minerals to the plant and keep it upright.

b)

Create seeds.

c)

Absorb water and minerals and keep plants ‘anchored’.

d)

Make new food for the plant.

30.

What is the function of the flower?

a)

Carry water and minerals to the plant and keep it upright.

b)

Create seeds.

c)

Absorb water and minerals and keep plants ‘anchored’.

d)

Make new food for the plant.

31.
Glucose is ... 
a)
salt 
b)
sugar 
c)
air 
d)
water
32.

The green pigment in leaves that captures the energy from the sun is called...

a)

borophyll

b)

chlorophyll

c)

photosynthesis

d)

leaves

33.

Which part of the plant is responsible for capturing sunlight and carrying out photosynthesis?

a)

leaves

b)

stem

c)

flower

d)

roots

34.

Select the correct sentence.

a)

Plants are not living things.

b)

Plants never die.

c)

Plants make their own food.

d)

Plants don't need sunlight.

35.
Part of the plant that attracts insects for pollination
a)
Root
b)
Stem
c)
Leaf
d)
Flower
36.

Photosynthesis =

a)

minerals + water + sunlight + oxygen = food + carbon dioxide

b)

minerals + water + sunlight + carbon dioxide = food + oxygen

c)

minerals + water + sunlight + oxygen = food + oxygen

37.

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

38.

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

39.

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)

Plant

b)

Mouse

c)

Snake

d)

Eagle

40.
Who is the producer in this food chain? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
41.
Who does the owl get energy from? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
42.
The primary consumer in this food chain is the ____________.
a)
Frog
b)
Eagle
c)
Grasshopper
d)
Python
43.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
44.

Butterfly has ____________stages in their life cycle.

a)

four

b)

three

c)

two

d)

five

45.

Complete metamorphosis has 4 stages. What are they in the correct order?

a)

pupa, egg, larva, adult

b)

adult, egg, larva, pupa

c)

egg, larva, pupa, adult

d)

egg, adult, pupa, larva

46.

What is the young of horse called?

a)

calf

b)

foal

c)

cub

47.
Another name for the caterpillar during the butterfly life cycle is called...
a)
larva
b)
adult
c)
egg
48.

True or False:

All vertebrates lay eggs to hatch their young.

a)

True

b)

False

49.

Which of the following contains the largest group of organisms?

a)

Vertebrates

b)

Invertebrates

50.
A seed sprouts into a young plant called a ________.
a)
seedling
b)
tree
c)
leaf

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