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- 1. Multiple Choice
Which of these best completes the circuit?rubber bandmetal nailleather shoelacewooden toothpick - 2. Multiple ChoiceElectrical lights will not come on unless their electrical circuit is a --parallel circuitseries circuitclosed circuitshort circuit
- 3. Multiple ChoiceA fifth grade class constructed this circuit. Which of these objects most likely made the light glow when connected to points X and Y?plastic strawcotton stringaluminum foilrubber eraser
- 4. Multiple ChoiceA class prepared some electrical circuits using battery, connecting wires, and three light bulbs. Which of these circuits can make the three bulbs light?ABCD
- 5. Multiple ChoiceThe electrician in this picture is wearing rubber gloves for protection. The purpose of the rubber gloves is to --keep the electrician drycreate an electrical circuitproduce electricityprotect the electrician
- 6. Multiple ChoiceWhich of these substances conducts electricity the best?woodbrickcopperplastic
- 7. Multiple ChoiceWhat material would be safest to use as an insulator to cover electrical wires?rubbertinaluminumwater
- 8. Multiple ChoiceThis instrument can be used to see if materials conduct electricity. Which of these groups contains items that could all conduct electricity to complete the circuit?rubber ball, plastic comb, nailpaper clip, penny, screwcork, dollar bill, tweezerspencil, eraser, spoon
- 9. Multiple ChoiceWhich form of energy is being used by the toaster?chemicalelectricalsolarnuclear
- 10. Multiple ChoiceEarly scientists most likely saw a discharge of electricity for the first time when observing a --waterfallrainbowvolcano eruptinglightning storm
- 11. Multiple ChoiceBits of paper are attracted to the surface of this balloon. What attracts the paper pieces to the balloon?FrictionStatic ElectricityMagnetismPotential Energy
- 12. Multiple ChoiceThe magnetic fields of any magnet are greatest --around the polesaround the middlearound only the south polearound only the north pole
- 13. Multiple ChoiceWhich of these correctly shows what happens when two magnets are placed side by side?ABCD
- 14. Multiple ChoiceWill the light bulb in this circuit light and why/why not?yes, because it has two batteriesno, because the switch is openyes, because it is in a circuitno, because the bulb is burned out
- 15. Multiple ChoiceWhen something opposes the flow of current it is known as:a resistoran insulatora conductor
- 16. Multiple ChoiceWhich light will be brighter and why?Bulb A because its circuit is closedBulb B because its circuit is closedBulb B because it has more voltsThey will be the same because they are both closed circuits.
- 17. Multiple ChoiceIf bulb 1 burns out, what will occur?bulbs 2 and 3 will go outbulbs 2 and 3 receive more voltsbulbs 2 and 3 will stay litnothing will happen
- 18. Multiple Choice
You want to charge a balloon with static electricity. The best material to rub it against is
Hair
Bricks
Water
Rubber
- Answer choicesTagsAnswer choicesTags