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- 1. Multiple ChoiceWhich material conducts electricity the best?brickplasticcopperwood
- 2. Multiple ChoiceWhy would an electrician wear rubber gloves?insulate the electriciancreate a currentproduce electricitykeep the electrician dry
- 3. Multiple ChoicePlastic material is a good ______________?insulatorconductorcurrentcircuit
- 4. Multiple ChoiceA circuit that has only one path is called _______.closedopenparallel circuitseries circuit
- 5. Multiple ChoiceMetal is a good __________.conductorinsulator
- 6. Multiple ChoiceWhat contribution did Michael Faraday make toward the study of electricity?He invented the generator to make electricityhe discovered static electricityHe invented the light bulbhe discovered that lighting was a form of electricity
- 7. Multiple ChoiceWhen you rub a comb and a wool cloth together and then hold the comb under water...the water will bend. This is because of _________.static electricitythermal energygravitymagnetism
- 8. Multiple ChoiceA conveyor belt moves the groceries by transforming electrical energy into ___________.potential energythermal energyradiant energymechanical energy
- 9. Multiple ChoiceWhich form of energy is being used by the toaster?chemicalelectricalnuclearsolar
- 10. Multiple ChoiceA drill transforms electrical energy mostly into......mechanical energychemical energysound energysolar energy
- 11. Multiple ChoiceWhat contribution did Benjamin Franklin make toward the study of electricity?he discovered that lightning is a form of electricityhe invented the light bulbhe invented the generatorhe discovered that protons have a positive charge
- 12. Multiple ChoiceMichael Faraday showed how electric current in a wire produces___________.chemicalsmoleculesa vibrationmagnetic field
- 13. Multiple ChoiceThe area around a magnet is the magnetic ______________.fieldpolesaxiscore
- 14. Multiple ChoiceWhich energy transformation most likely occurs in a steam iron?electical energy changes to heat energyelectrical enrgy changes to sound energymechanical energy changes to heat energymechanical energy changes to light energy
- 15. Multiple ChoiceIf two south poles of a magnet are put together they will __________.attactrepel
- 16. Multiple ChoiceLightning is a form of _____________.static electricitycurrentopenclosed
- 17. Multiple ChoiceTo make an electromagnet, a conductor should be coiled around _________.an iron naila wooden sticka roll of pepera glass tube
- 18. Multiple ChoiceWhat contribution did Thomas Edison make toward the study of electricity?he invented the light bulbhe discovered the nucleus of an atomhe discovered that lighting is a form of electricityhe invented a generator that would produce electricity
- 19. Multiple ChoiceA permanent magnet _______________.can be turned on and offalways magnetic
- 20. Multiple ChoiceAn electromagnet _______________.can be turned on and offis always magnetic
- 21. Multiple ChoiceWhat type of circuit has more than one path?parallel circuitseries circuitconductorinsulator
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