Subject: Basic Science & Technology Class: Basic 4
Name: _______________________________________________ Date: ________________
INSTRUCTION: Answer all questions
1. In the process of evaporation, water goes up into the cloud in the form of gas called ___(a) liquid (b) solid (c) vapour (d) flame
2. The process by which rain falls and goes back to the cloud in the form of water vapour is known as _____ (a) water rotation (b) rain rotation (c) water cycle (d) water cycle
3. ______ is a colourless, odourless and tasteless liquid substance in its pure and undiluted form(a) rain (b) rock (c) water (d) vapour
4. Frozen water is called _____ (a) Block (b) Freezer (c) Ice
5. The chemical composition of water is ____ (a) O2H (b) H2O (c) 2HO
5. ____ is used to measure the temperature of a particular place or person . (a) Clock (b) Thermometer (c) Wind vane
6. The process of water vapour cooling down and becoming liquid again is known as ___ (a) Vaporization (b) Evaporation (c) Condensation
7. ___________ is the energy from sun(a) heat energy (b) wind energy (c) solar energy (d) electrical energy
8. Which one of the following is not a form of energy? (a) mercury energy (b) chemical energy (c) heat energy (d) mechanical energy
9. ____ is another source of energy that vehicles depends on. (a) Heat (b) Petrol (c) water (d) Man
10. Electrical energy can be converted to heat energy by the use of ____ (a) Fan (b) Pressing iron (c) Computers
11. Energy is the ability to do _______ (a) Great things (b) Work (c) Good
12. _________ is a state of preventing danger or harm to ourselves or another person(a) traffic light (b) zebra crossing (c) safety (d) pedestrian
13. _______ is the immediate care and support given to someone who is sick or injured (A)First Aider (B) First Aids (C) First Aid
14. ————and ————- are items found in the first aid box. (a) Bandage and plaster (b) Wrist watch and ear rings (c) Hammer & needles
15. All these are materials found in first aid box except _________. [a] Plaster [b] Cotton wool [c] Biscuit
16. The process of powering and starting a computer system is called __________(a) starting (b) booting (c) shutting (d) closing
17. How many types of booting do we have? (a) one (b) two (c) three (d) four
18. _____ is not an example of data (a) symbol (b) alphabets (c) videos
19. Which of these is not Information?. (a) Music (b) Words (c) numbers
20. ___ is not a kind of booting. (a) Soft booting (b) Cold booting (c) Warm booting
SECTION B
- State the difference between data & information
- Define Safety.
- List 6 components of a first aid box.
- Define Energy.
b. List 5 forms of energy.
5. Explain “water cycle”
