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- 1. Multiple Choice
Levi is wanting to light a bulb. What does he need to get the bulb to light?
A battery and a balloon
A battery and a wire
A paper clip and a wire
A switch and a wire
- 2. Multiple Choice
A series circuit has ____ path(s) that the electric current can take.
One
Two
More than one
- 3. Multiple Choice
Electricity is the flow of _________.
Protons
Neutrons
Electrons
- 4. Multiple Choice
What kind of circuit is this?seriesparallel - 5. Multiple Choice
Which statement is true?
Lights in the series circuit are brighter than the parallel.
Lights in the parallel circuit are brighter than the series.
Both circuits have the same brightness
Neither circuit will light the bulbs
- 6. Multiple ChoicePick the correct sentence.This circuit will work because it is a closed circuit.Energy will freely flow in this circuit.This circuit will not work because there is no energy source.This circuit will not work because there is no switch.
- 7. Multiple ChoiceThis is a picture of a simple electromagnet. How can the electromagnet be made stronger?Add more coils of wire to the nail.Use a smaller battery.Reverse the poles of the magnet.Remove all the coils and the nail.
- 8. Multiple Choice
What THREE ways are electromagnets different from permanent magnets?
they can be turned off and on
they can increase in strength by increasing the current in the wire
they are smaller in size
they can change which is the north and south pole
- 9. Multiple ChoiceWhat two forces are required for generators and electric motors to work?magnetism and thermalelectricity and thermalelectricity and magnetismmagnetism and radiant
- 10. Multiple ChoiceGenerators are devices that convert _____ energy into _____ energy.chemical; mechanicalmechanical; electricalelectrical; mechanicalpotential; kinetic
- 11. Multiple Choice
What is the transfer of energy in when you plug in a motor and it spins?
chemical to mechanical
electrical to mechanical
mechanical to electrical
physical to potential
- 12. Multiple Choice
Max tested some objects with the circuit tester. Then, he recorded his results in the table below.
Choose all of true statements below.
A, B and C are probably plastic.
B is an insulator
A and C are probably made of metal.
B might be made of plastic or wood.
- 13. Multiple Choice
If one of the bulbs in the picture stops working, what will happen?
All of the bulbs will stop working.
The other 2 bulbs will continue to work.
The other bulbs will become brighter.
- 14. Multiple Choice
Choose all of the items that will conduct electricity.
Glass marble
Rubber balloon
Copper penny
Paper clip
Wooden block
- Answer choicesTagsAnswer choicesTags