Happy New year and Happy Resumption. This is inform you that our contents are under review to meet the new set standards as stated in Lagos State Scheme of Work 2021 Edition.

Exam Questions – Second Term Examination Basic Science and Technology Primary 3 (Basic 3) – All the Subjects

 

BASIC SCIENCE AND TECHNOLOGY 

SECOND TERM EXAMINATION 

CLASS – PRIMARY 3 (BASIC 3) 

 

 

SECTION A 

Answer all the questions in this section. 

 

Choose the correct answer from the options.

1. Water is _______________ in nature.

[a] solid

[b] liquid

[c] gas

 

2. Water is useful to plant and animal.

[a] True

[b] False

[c] Maybe

 

3. Drinking dirty water can cause ________________.

[a] cough

[b] fever

[c] cholera

 

4. ________________ lay their eggs on dirty water.

[a] Mosquitoes

[b] Hens

[c] Ducks

 

5. Contaminated water is safe for ________________.

[a] True

[b] False

[c] Maybe

 

6. ______________ can contaminate water.

[a] Money

 

 

[b] Chemical

[c] Salt

 

7. Dirty water can ________________ our clothes.

[a] design

[b] stain

[c] beautify

 

8. Water purification means making water ________________.

[a] pure

[b] anyhow

[c] dirty

 

9. Clean water makes us ________________.

[a] healthy

[b] sick

[c] weak

 

10. When petrol spread on water, It is called oil ________________.

[a] Water

[b] Liquid

[c] Spillage

 

11. ________________ is a chemical used for water purification.

[a] Chlorine

[b] Sweet

[c] Maggi

 

12. Charcoal is always ________________.

[a] white

[b] black

[c] red

 

13. Rainbow has ________________ colours.

[a] 2

 

 

[b] 10

[c] 7

 

14. Snow is _______________ in colour.

[a] white

[b] brown

[c] black

 

15. ________________ is the common colour of leaves.

[a] Brown

[b] Green

[c] Red

 

 

SECTION B

Attempt all the questions in this section. 

 

1. Define water purification.

____________________________________________________________

 

b. List three ways of purifying water:

I. ______________________________

II. ______________________________

III. ______________________________

 

2. Sketch out the diagram of sedimentation and decantation way of purifying water.

 

3. Define colour.

____________________________________________________________

 

b. List 8 colours you know:

I. ______________________________

II. ______________________________

III. ______________________________

IV. ______________________________

V. ______________________________

VI. ______________________________

VII. ______________________________

 

4, Write the following colours for these objects

a. sky ______________________________

b. board ______________________________

 

 

c. wood ______________________________

d. plants ______________________________

e. chalk ______________________________