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Worksheets

Grade 3 Science

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which of the following system helps us to take air from outside?

a)

Respiratory

b)

Circulatory

c)

Digestive

d)

Excretory

2.

Which of the following rocks is porous like a sponge?

a)

Sandstone

b)

Slat

c)

Conglomerate

d)

Pumice

3.

Night blindness is caused due to deficiency of______.

a)

Vitamin A

b)

Vitamin B

c)

Vitamin C

d)

Vitamin E

4.

Which of the following is not an infectious disease?

a)

Dengue

b)

Scurvy

c)

Typhoid Fever

d)

Whooping Cough

5.

What is the term used when a seed begins to grown?

a)

Germination

b)

Pollination

c)

Photosynthesis

d)

Respiration

6.

Which component of soil is made up of previously living materials?

a)

Rocks & Rock Particles

b)

Clay

c)

Water

d)

Organic Matter

7.

What part of the flower contains the pollen?

a)

Anther

b)

Stigma

c)

Stem

d)

Leaves

8.

What are the tiny tubes called inside the stem that bring water from the roots to the rest of the plant?

a)

Xylem

b)

Phloem

c)

Inner Tubes

d)

Roots

9.

Which part of the plant attracts insects to help with pollination?

a)

Roots

b)

Flowers

c)

Stems

d)

Insects don't like plants

10.

If you put an insect and a plant in an airtight container, what can you expect to happen?

a)

The plant will run out of air.

b)

Both will die instantly

c)

They use and release different types of air, so they should continue to live.

d)

The insect will run out of air.

11.

Which of the following is a physical change?

a)

Burning Wood

b)

A pear getting rotten

c)

Breaking a plate

d)

Frying egg

12.

Which is a chemical change?

a)

Rust forming on a nail

b)

Slicing bread

c)

Cutting paper

d)

A popsicle melting

13.

How long does it take for the earth to orbit the sun?

a)

1 Day

b)

1 Month

c)

1 Decade

d)

1 Year

14.

Which of the following contains salt water?

a)

Rivers

b)

Lakes

c)

Ponds

d)

Oceans

15.

Which of these is not matter?

a)

Dream

b)

Car

c)

Water

d)

Oxygen