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- 1. Multiple ChoiceIn an electrical circuit, electrons move from the __________.Negative pole to negative poleNegative pole to positive polePositive pole to positive pole
- 2. Multiple ChoiceWhich best describes a parallel circuit?Electricity flows along one pathway.The flow of electricity comes from one source.Electricity flows along more than one pathway.The flow of electricity comes from more than one source.
- 3. Multiple ChoiceWhich best describes a series circuit?It has two light bulbs.The same current flows through both light bulbs.It uses a single battery.The current is divided between the light bulbs.
- 4. Multiple ChoiceWhat is one problem with using a series circuit?It has a lot of series.If one goes down, they all go down!It doesn't work properly.There are no problems.
- 5. Multiple ChoiceWhat is one benefits of using a parallel circuit?It gets confusing.There are no problems.If one goes down, it does not affect the others.Porque es para llelio.
- 6. Multiple Choice
what is this symbol for?light bulbswitchbatteryresistor - 7. 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.
- 8. 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
- 9. Multiple ChoiceBits of paper are attracted to the surface of this balloon. What attracts the paper pieces to the balloon?FrictionStatic ElectricityMagnetismPotential Energy
- 10. 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
- 11. Multiple ChoiceWhat will happen if one light bulb is removed from this circuit?the other bulbs will go outthe other bulbs will get dimmerthe other bulbs will get brighterthe battery will become stronger
- 12. Multiple ChoiceWhat kind of circuit is this?SeriesConsecutiveParallelTraining
- 13. Multiple ChoiceWhat kind of circuit is this?SeriesConsecutiveParallelTraining
- 14. Multiple ChoiceWhat kind of circuit is this?seriesparallel
- 15. Multiple ChoiceAs resistors are added in series to a circuit, the total resistance willincreasedecreasestay the same
- 16. Multiple ChoiceThe current through each resistor connected in serieswill add up to the total currentis the same everywhere
- 17. Multiple ChoiceElectric current is the flow of:electronsprotonsneutronsnone of these
- 18. Multiple ChoiceWhy are homes not wired in series circuits?The house will burn downIf you turn off one appliance, the rest will turn off.Homes are wired in series circuits.
- 19. Multiple ChoiceIf you add a second battery to your series circuit, what will happen to the current in your circuit?DecreaseIncreaseStay the same
- 20. Multiple ChoiceIf you add a second battery to your series circuit, what will happen to the voltage in your circuit?DecreaseIncreaseStay the same
- 21. Multiple Choice
Why is current electricity a better source for use in our homes than static electricity?
Electricity is used where people live.
Materials must be used to create electricity.
A steady flow of electric current is needed in our homes.
Different amounts of electricity are used at different times
- 22. Multiple Choice
The students noticed that the buzzer was not making any sounds. What could be done to this circuit to make the buzzer work?
Add another battery to the circuit.
Replace the buzzer with a smaller one.
Close the switch to complete the circuit.
Switch the wires to get a better connection.
- 23. Multiple Choice
The diagram shows an electrical circuit.
What object could be placed in the open space between the wires to complete the circuit?
Penny
Toothpick
Eraser
Crayon
- 24. Multiple Choice
Electricity will flow in an electric circuit only if the circuit __________.
has several batteries
makes a complete path
produces light energy
has the right kind of insulators
- 25. Multiple Choice
Which of the following is true about electrical circuits?
Electricity can only flow if the circuit is a closed loop.
They have to involve a wire made of insulating material.
Every circuit needs to have a switch that can stop and start the flow of electricity.
An open circuit works as long as they wire connects a bulb to the positive end of a battery.
- 26. Multiple Choice
Jordan rubs her socks along the wool carpet as she walks across her house. She grabs onto a metal door knob. What will most likely happen as she touches the door knob?
The charge will disappear.
The chair will repel her.
She will get a light shock.
She will build up more charge.
- 27. Multiple Choice____________ allows electricity to flow.A conductorAn insulatorA magnet
- 28. Multiple ChoiceElectricity that flows in a closed path is called apathcurrentcircuit
- 29. Multiple Choice____________ stops the flow of electricity.A conductorAn insulatorA magnet
- 30. 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
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