Basic Physics/Technology, 1ST term examination for JSS3 2025/2026

Welcome to your Basic Physics/Technology, 1ST term examination for JSS3 2025/2026

1. The components in series circuit are connected in _________

2. The process of joining two metals surfaces together using a filler metal is called.

3. The vice used in holding devices in a workshop is a conversion of _______________.

4. Examples of linear motion includes the following, except.

5. One of this is not required in constructing a simple machine.

6. The motion of an object with some mass can be described in terms of the following, Except :

7. Types of magnets are as follows, except.

8. The change in position of an object is the simplest definition of ___________

9. Lode stone was discovered in

10. The bouncing back of sound is

11. The type of sound that cannot be heard by men is called

12. A device designed to cut off power supply and it is "selfdestructive" is called

13. A type of electron flows in one direction is known as

14. What happens when two north poles of magnet are place together?

15. The soft solder used for soft soldering are alloy of the following, Except.

16. What substance is attracted to a magnet from the options:

17. Sound is a kind of

18. A ray of light passing from air to water is

19. A type of electromagnetic radiation that allows the human eyes to see is called

20. The following are types of light except

Subjective(Answer all) 20mks

1. Acetylene gas is also known as_____________________

2. The type of soldering that requires high temperature is _____________________

3. Another name for lodestone is ______________________.

4. Eardrum is found in the ___________________layer of the ear.

5. Magnets consists of two ends which are__________ and_______________.

6. Rectilinear propagation of light means___________________.

7. A clear jelly offering support and shape to back of the eye is called__________________.

8. Sound sources can be divided into two types, namely, ______________ and__________________.

9. Perpendicular lines is equal to _____________ degree.

10. Magnetite comprises of Fe3o4 while maghemite comprise of _____________________.

Theory (Answer any 4): No 1 and 5 is compulsory

1.Give a step-by-step procedure on the experiment to prove the law of reflection.(6mks)

2. Sketch parallel circuit indicating the connection of a Television, radio and a fan connected to a battery. (4mks)

3. List and explain the two types of rotational motion with two examples each. (4mks)

4a. Differentiate between soldering and brazing. (1mk)

4b. Define the following terms ;(i)Pitch (ii)clutch (iii)ratchet (3mks)

5a. In three sentences summarize the processes we took in fixing the metal framework of the classroom desk during our practical on welding. (3mks)

5b. State at least 2 safety rules we observed while doing the welding practical. (3mks)

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