Examination on Basic Science
Class: Primary 4
Term: Second Term
Time: 1 Hour
Total Marks: 70

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

1. ________ is a device that helps us to do work easily and quickly. (a) Complex machine (b) Simple machine (c) Heavy machine (d) Electrical machine
2. The ability to do work is known as ________. (a) Power (b) Force (c) Energy (d) Motion
3. An example of a simple machine is a ________. (a) Television (b) Refrigerator (c) Wheelbarrow (d) Computer
4. Which of the following is an example of an athletic activity? (a) Reading (b) Eating (c) Jumping (d) Sleeping
5. All of these are examples of local games except ________. (a) Ayo (b) Ludo (c) Chess (d) Skipping rope
6. Which of these is NOT a danger associated with using simple machines? (a) Cuts (b) Bruises (c) Broken bones (d) Making work easier
7. The main reason for having safety rules in athletics is to ________. (a) Make the game longer (b) Prevent injuries (c) Make people tired (d) Show who is stronger
8. The correct step in throwing a ball is to ________. (a) Close your eyes (b) Stand still (c) Aim at the target (d) Throw with one hand
9. Which of these is not a type of game? (a) Indoor game (b) Outdoor game (c) Group game (d) Study game
10. Using a ________ helps to lift heavy loads with less effort. (a) Pulley (b) Spoon (c) Book (d) Pencil
11. Moving your body parts from one place to another is called ________. (a) Rest (b) Movement (c) Sleep (d) Stillness
12. Examples of things that use energy include all of these except ________. (a) Cars (b) Humans (c) Rocks (d) Plants
13. Playing games like Ludo and Ayo are examples of ________ games. (a) Foreign (b) Local (c) Computer (d) Electric
14. What should you do before starting any athletic activity? (a) Eat a lot of food (b) Warm up your body (c) Sleep (d) Watch TV
15. A hammer is a simple machine used to ________. (a) Cut paper (b) Drive nails (c) Cook food (d) Watch movies
16. The use of energy for cooking food is an example of ________. (a) Storing energy (b) Consuming energy (c) Wasting energy (d) Creating energy
17. When playing games, it is important to follow safety rules to avoid ________. (a) Winning (b) Losing (c) Injuries (d) Fun
18. Kicking a ball properly involves using the ________ of your foot. (a) Heel (b) Toe (c) Instep (d) Top
19. Which of the following is a type of simple machine? (a) Computer (b) Bicycle (c) Lever (d) Television
20. Avoiding sharp objects and uneven surfaces are safety rules for playing ________. (a) Local games (b) Computer games (c) Board games (d) Video games

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

1. (a) Define simple machines. (2 marks)
(b) List three examples of simple machines. (3 marks)
(c) State two dangers of using simple machines carelessly. (3 marks)
(d) What is energy? (2 marks)

2. (a) Give two examples of things that use energy. (2 marks)
(b) State three uses of energy in our daily activities. (3 marks)
(c) Mention two body movements you know. (3 marks)
(d) What is one basic safety rule for movement? (2 marks)

3. (a) Define athletics. (2 marks)
(b) List three examples of simple athletic events. (3 marks)
(c) State two safety rules to observe during athletic activities. (3 marks)
(d) What is the meaning of games? (2 marks)

4. (a) Mention two types of games. (2 marks)
(b) List three materials used in playing games. (3 marks)
(c) Give two examples of local games. (3 marks)
(d) State one safety rule for playing local games. (2 marks)

Objective Marking Scheme
Question 1 – ✅ (b) Simple machine
Question 2 – ✅ (c) Energy
Question 3 – ✅ (c) Wheelbarrow
Question 4 – ✅ (c) Jumping
Question 5 – ✅ (c) Chess
Question 6 – ✅ (d) Making work easier
Question 7 – ✅ (b) Prevent injuries
Question 8 – ✅ (c) Aim at the target
Question 9 – ✅ (d) Study game
Question 10 – ✅ (a) Pulley
Question 11 – ✅ (b) Movement
Question 12 – ✅ (c) Rocks
Question 13 – ✅ (b) Local
Question 14 – ✅ (b) Warm up your body
Question 15 – ✅ (b) Drive nails
Question 16 – ✅ (b) Consuming energy
Question 17 – ✅ (c) Injuries
Question 18 – ✅ (c) Instep
Question 19 – ✅ (c) Lever
Question 20 – ✅ (a) Local games