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 ______________________________