Examination on Basic Technology
Class: Primary 4
Term: Third Term
Time: 1 Hour
Total Marks: 70

SECTION A: OBJECTIVES (40 Marks)
Instruction: Answer all questions.

1. ________ is the ability to do work. (a) Force (b) Energy (c) Power (d) Motion
2. Which of these is not a form of energy? (a) Heat (b) Light (c) Water (d) Sound
3. The main reason why we need energy is for ________. (a) sleeping (b) doing work (c) wasting time (d) making noise
4. The energy we get from the sun is called ________ energy. (a) electrical (b) solar (c) wind (d) chemical
5. Which of the following does NOT use energy for communication? (a) Radio (b) Television (c) Stone (d) Telephone
6. All of these are sources of energy except ________. (a) sun (b) fuel (c) plastic (d) water
7. The correct step in using energy for cooking involves ________. (a) eating raw food (b) boiling water (c) running fast (d) shouting loudly
8. An example of a fuel used as an energy source is ________. (a) sand (b) kerosene (c) air (d) wood
9. Which of the following forms of energy is stored in a battery? (a) Mechanical (b) Electrical (c) Chemical (d) Sound
10. Energy from moving air is called ________ energy. (a) solar (b) wind (c) heat (d) light
11. When a car moves, it uses ________ energy. (a) potential (b) kinetic (c) sound (d) magnetic
12. A common use of energy in our homes is for ________. (a) playing games (b) cooking food (c) sleeping (d) watching TV
13. Which form of energy is responsible for making a bulb glow? (a) Sound energy (b) Magnetic energy (c) Electrical energy (d) Chemical energy
14. The sun is a major source of ________ energy. (a) nuclear (b) solar (c) mechanical (d) chemical
15. Energy is needed for our bodies to ________. (a) relax (b) function (c) sit (d) observe
16. ________ energy is the energy of motion. (a) Potential (b) Stored (c) Kinetic (d) Chemical
17. Petrol and kerosene are examples of ________ used as energy sources. (a) water (b) fuels (c) air (d) rocks
18. Communication devices like mobile phones rely on ________ energy. (a) sound (b) light (c) electrical (d) mechanical
19. Which of these activities requires energy? (a) Reading a book (b) Sleeping (c) Sitting still (d) Breathing
20. The energy stored in an object due to its position is called ________ energy. (a) kinetic (b) potential (c) sound (d) light

SECTION B: THEORY (30 Marks)
Instruction: Answer any THREE questions.

Question 1
(a) Define energy in your own words. (2 marks)
(b) State three reasons why energy is important in our daily lives. (3 marks)
(c) List three forms of energy you know. (3 marks)
(d) Give one example of a use of sound energy. (2 marks)

Question 2
(a) Name two common sources of energy found in Nigeria. (2 marks)
(b) Explain how the sun acts as a source of energy. (3 marks)
(c) Describe two ways energy is used for transportation. (3 marks)
(d) What is the main difference between potential and kinetic energy? (2 marks)

Question 3
(a) What is wind energy? (2 marks)
(b) State three uses of energy in a typical home. (3 marks)
(c) Name two types of fuel that are sources of energy. (3 marks)
(d) How is light energy useful to us? (2 marks)

Question 4
(a) Identify two forms of energy that produce heat. (2 marks)
(b) Explain the concept of electrical energy and give one example of its use. (3 marks)
(c) List three daily activities where energy is needed. (3 marks)
(d) Why is it important to conserve energy? (2 marks)

Objective Marking Scheme
Question 1 – ✅ (b) Energy
Question 2 – ✅ (c) Water
Question 3 – ✅ (b) doing work
Question 4 – ✅ (b) solar
Question 5 – ✅ (c) Stone
Question 6 – ✅ (c) plastic
Question 7 – ✅ (b) boiling water
Question 8 – ✅ (b) kerosene
Question 9 – ✅ (c) Chemical
Question 10 – ✅ (b) wind
Question 11 – ✅ (b) kinetic
Question 12 – ✅ (b) cooking food
Question 13 – ✅ (c) Electrical energy
Question 14 – ✅ (b) solar
Question 15 – ✅ (b) function
Question 16 – ✅ (c) Kinetic
Question 17 – ✅ (b) fuels
Question 18 – ✅ (c) electrical
Question 19 – ✅ (a) Reading a book
Question 20 – ✅ (b) potential