 - 1. How many light bulbs are in the diagram?
A) 4 B) 2 C) 1 D) 3
 - 2. What kind of circuit is shown above?
A) series B) concave C) square D) parallel
 - 3. How many batteries are in the diagram?
A) 1 B) 0 C) 2 D) 3
 - 4. What kind of circuit is shown above?
A) series B) rectangle C) convex D) parallel
 - 5. The diagram shows a switch that's________.
A) closed B) broken C) loose D) open
 - 6. The photo shows a symbol of what object?
A) a wire B) a battery C) a car D) a switch
- 7. A device able to supply electrical energy is a ________.
A) microwave B) nonconductor C) battery D) conductor
- 8. The pathway for electrical current is called a _______.
A) cloud B) circuit C) highway D) motor
- 9. When the electrical current CANNOT flow, the circuit is _______.
A) open B) broken C) closed D) loose
- 10. The positve (+) and negative (-) ends of the battery are called ______.
A) battery knobs B) battery sides C) circuit diagram D) battery terminals
- 11. A circuit that has only one electric flow is _________.
A) series circuit B) paper circuit C) battery circuit D) parallel circuit
- 12. The unit that measures a battery's strength is called ________.
A) circuit B) current C) volt D) conductor
- 13. A device that opens and closes a circuit is a __________.
A) switch B) conductor C) volt D) electrical current
- 14. Objects that allow electrical current to flow are called ______.
A) nonconductors B) batteries C) circuits D) conductors
- 15. Objects that DO NOT allow electrical current to flow are called ______.
A) batteries B) circuits C) nonconductors D) conductors
 - 16. Which parts of the pencil are conductors?
A) The wood and metal B) The eraser and point C) The metal and point D) The wood and eraser
- 17. Which activity did we compare the brightness of the light bulb?
A) Simple Circuits B) Series and Parallel Circuits C) Solid Conductors D) Paper-Clip Switch
- 18. Which activity did we discover what objects are conductors and what objects are nonconductors?
A) Series and Parallel Circuits B) Paper-Clip Switch C) Simple Circuits D) Solid Conductors
- 19. How many volts are in the batteries we have used?
A) 3 B) 3v C) 1.5 D) 1.5v
- 20. The series circuit with two batteries, gives how much voltage to a light bulb?
A) 1.5v B) 1v C) 3v D) 2v
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