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1. Which of the materials below can be light up?
A. bulb
C. switch
B. plug
D. wires
2. Which of the following circuits has a complete path of electricit,
allowing to flow through it?
A. circuit breaker
C. open circuit
B. closed circuit
D. short circuit
3.
Which of these materials connects the light bulb and the batters
A. plug
C. switch
B. screw
D. wire
4. Which is needed by appliances and light bulbs to function?
A. electricity
C. light
B. heat
D. sound
5. Can electricity flow in an open circuit?
a. Yes, because there are wires, bulb and batteries.
b. No, because both wires are attached to the bulb.
c. Yes, because batteries can be positioned anywhere.
d. No, because there is a gap or no complete path from the
the circuit to the other end.​