PRIMARY 3 – BASIC SCIENCE – FIRST TERM EXAMINATION
- Multiple Choice Questions (20 Marks)
Choose the correct answer and write it in your answer sheet.
- The movement of air from one place to another is called ___ (a) light (b) wind (c) water — b
- Which of these is NOT a form of energy? (a) Heat (b) Sound (c) Chair — c
- Heat from the sun travels to the earth through ___ (a) conduction (b) convection (c) radiation — c
- A wind that blows gently is called ___ (a) storm (b) breeze (c) hurricane — b
- Which of the following is a source of sound energy? (a) Drum (b) Stone (c) Chair — a
- Which of these is a source of light energy? (a) Torchlight (b) Table (c) Spoon — a
- The bouncing back of light from a surface is called ___ (a) absorption (b) reflection (c) refraction — b
- Which of these is NOT a property of light? (a) Light travels in a straight line (b) Light can bend around corners (c) Light can be reflected — b
- Which of these is an example of underdeveloped technology? (a) Town crier (b) Television (c) Laptop — a
- The use of animals to carry goods is an example of ___ (a) developed technology (b) underdeveloped technology (c) modern science — b
- Which of these is a developed technology? (a) Using hoes for farming (b) Airplane (c) Beating drum for announcements — b
- A tractor is used mainly for ___ (a) washing clothes (b) farming (c) fishing — b
- Which of these is a use of modern technology? (a) Travelling long distances quickly (b) Using donkeys to carry load (c) Fetching water with a calabash — a
- Public address systems are used for ___ (a) farming (b) announcing to many people (c) cooking — b
- The sun is a natural source of ___ (a) heat energy (b) wind energy (c) sound energy — a
- The main source of wind on earth is ___ (a) movement of cars (b) heating of the earth by the sun (c) animals running — b
- Which of these can be reflected by a mirror? (a) Sound (b) Light (c) Wind — b
- Developed technology is better than underdeveloped technology because it is usually ___ (a) slower (b) faster and more efficient (c) more tiring — b
- Which of the following is an advantage of using technology? (a) It makes work easier (b) It makes people lazy only (c) It wastes time — a
- Using the internet to send messages is an example of ___ (a) old communication method (b) modern communication method (c) underdeveloped technology — b
- Theory Questions (8 Marks)
Answer all questions.
- Define energy.
- Mention three sources of light energy.
- Explain what reflection of light means.
- Give two examples of underdeveloped technology.
- List two uses of modern technology in our daily life.
- Mention two characteristics of wind.
- State two examples of developed technology used in farming.
- Write two differences between developed and underdeveloped technology.