FIRST TERM EXAMINATION ON PHYSICS FOR JSS3 NEW

Welcome to your FIRST TERM EXAMINATION ON PHYSICS FOR JSS3 NEW

1. ________ is a type of electromagnetic radiation allows the human eyes to see

2. The following are types of light except

3. Equipments needed to prove the law of reflection are as follows except

4. A ray passing from water to air is

5. Sound is a kind of

6. What substance is attracted to a magnet

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

8. ________ is a type of electron flow in one direction.

9. ________ is a device designed to cut off power supply from the main switch.

10. What is the unit of power ?

11. _________ is a sound that cannot be heard by men.

12. The bouncing back of sound is

13. Lodestone was discovered in

14. Types of magnets are as follows, except

15. The change in position of object is called

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

17. Examples of lever includes the following, except

18. ________ is a mechanism which is widely used in machinery to allow shat rotation in one direction only.

19. The vice used in holding device in a workshop is a conversion of

20. __________ is the process of joining two metal surfaces together using a filler metal called solder.

Subjective (Answer All)

1. Another name for brazing is __________

2. Acetylene gas is also known as __________

3. The work of fire back arrestor is ___________

4. The type of soldering that requires high temperature is ____________

5. Two types of motion are : _______ and 6. ________

7. Angle on a straight line is ___________

8. Eardrum is found in the __________ layer of the ear.

9. Another name for Lodestone is _________

10. Magnet consist of two ends which are ________ and _______ .

Theory (Answer All)

1a. Define the following: (i) Magnetic field (ii) Magnetic poles

1b. (i)List 3 types of magnets, (ii) Explain 2

2a. Enumerate the following: (i)Sound energy (ii) Transmission of sound

2b. Name with examples the two sources of sound energy

3a. With a diagram illustration list the classes of lever

3b. State 4 uses of slide and slots.

4. Draw and label at least 6 parts of the eyes

5a. Define the following terms: (i) Clutch (ii) Brazing

5b. List 5 brazing equipment

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