Directions: Choose the letter of the correct answer on the space provided.
1. What are the conditions necessary to light a bulb in a circuit?
a. A complete circuit
b. An open complete circuit
c. A close complete circuit
d. All of the above
2. Which of the following is possibly true about a circuit that are “opened”?
a. Switch is on
b. Circuit is complete
c. Wires are disconnected
d. All of the above
3. Will the bulb in this circuit light?
a. Yes, because it has battery
b. Yes, because it is in a circuit
c. No, because the circuit is open
d. No, because the bulb is burned out
4. What would happen if the switch was opened?
a. Nothing, the light bulb would still work because there is a complete path
b. The battery would loose energy
c. The wires would be cooled from air
d. The light bulb will not work because the path was broken
5. What materials are needed to complete a circuit lighting a lightbulb?
a. Wire, battery, bulb
b. Wire, battery, buzzer
c. Wire, buzzer, bulb
d. Wire, switch, bulb