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Revision Grade 3 Science

Total questions: 35

Worksheet time: 25mins

Name
Class
Date
1.

True or False

Medicines are substances that benefit the body in many ways. Medicine also protect the body from ailments.

a)

A. True

b)

B. False

2.

State true or false. It is ok take any medicine that your friend gives .

a)

True

b)

False

3.

Germs cause infectious diseases.

a)

True

b)

False

4.

Bird flu affects a lot of birds .

a)

True

b)

False

5.

. Manasi is suffering from insect bite and itching. Which medicine will the doctor prescribe her to feel better ? Select the correct option.

a)

Creams and ointments

b)

injections

c)

inhalers

6.

It is the active part of the medicine that is combined with a liquid to make it easier to take or better absorbed.

a)

A. Liquid

b)

D. Tablet

c)

C. Capsule

d)

D. Topical medicine

7.

Plants transform energy to make their own food. Where does the energy they need come from?

a)

water

b)

soil

c)

sun

d)

air

8.

What type of energy is used by plants to make food?

a)

electrical

b)

light

c)

mechanical

d)

heat

9.

Where do plants get most of their material to grow? Select two.

a)

water

b)

soil

c)

sunlight

d)

carbon dioxide

10.

A producer is a living thing that makes its own food from sunlight, air, and soil.

a)

True

b)

False

11.

Green plants are producers who make food in their leaves.

a)

True

b)

False

12.

A consumer is a living thing that cannot make its own food.

a)

True

b)

False

13.

All animals are consumers.

a)

True

b)

False

14.

A decomposer is a living thing that gets energy by breaking down dead plants and animals.

a)

True

b)

False

15.

Fungi and bacteria are the most common decomposers.

a)

True

b)

False

16.

apple tree

a)

Producer

b)

Consumer

c)

Decomposer

17.

Hawk

a)

Producer

b)

Consumer

c)

Decomposer

18.

Mushroom

a)

Producer

b)

Consumer

c)

Decomposer

19.

Carrot

a)

Producer

b)

Consumer

c)

Decomposer

20.

Bacteria

a)

Producer

b)

Consumer

c)

Decomposer

21.

Bamboo

a)

Producer

b)

Consumer

c)

Decomposer

22.

Which living thing is a producer?

a)

plankton

b)

animals

c)

plants

d)

bacteria

23.

Why are producers always the first organism in a food chain?

a)

They provide the energy for other living things.

b)

They are the smartest.

c)

They do not move, so they can't escape from another living thing.

d)

They're plants. Animals should be first.

24.
Why are plants called producers?
a)
They make carbon dioxide
b)
They decompose
c)
They make their own food
d)
They are omnivores
25.
The way energy is passed from one organism to another
a)
food chain
b)
energy
c)
extinct
d)
habitat
26.
What do the arrows show in a food chain picture?
a)
They always point to the smallest animals.
b)
They point to the animal that tastes the best.
c)
They always point to the producers.
d)
They point in the direction that energy is flowing.
27.
What do Herbivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
28.

An example of a predator:

a)

shark

b)

mouse

c)

rabbit

29.

An example of prey:

a)

lion

b)

mouse

c)

shark

30.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
31.
Animals that are vertebrates have...
a)
A backbone
b)
A tail
c)
Lungs
d)
No backbone
32.
Which of the following is NOT a mammal? 
a)
Horse
b)
Bird
c)
Elephant
d)
Cat
33.
True or False: Mammals give birth to live young.
a)
True
b)
False
34.
True or False: Birds are mammals.
a)
True
b)
False
35.

Choose the animal that is a mammal.

a)

Bird

b)

Cow

c)

Fish

d)

Frog