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- 1. Multiple ChoiceMrs. Westmoreland's students are complaining that it is hot in the classroom. She plugs in the fan and turns it on, which energy transformation occurs?mechanical to heatheat to mechanicalelectrical to mechanicalmechanical to electrical
- 2. Multiple ChoiceWhat is the best description of electrical energy?Transmitted energyA special form of heat or thermal energypotential energy in a different formthe energy flowing in an electric circuit
- 3. Multiple ChoiceWhich of the following is a way that energy transfer can be shown in a circuit?A fan begins to move.A motor begins to move.A light bulb lights up.all of these
- 4. Multiple ChoiceWhat type of material allows electrons to easily flow through it?transistorconductorinsulatorinductor
- 5. Multiple Choice
A television converts electrical energy into _________________ and ______________ energies.light ; soundsound ; thermallight ; chemicalmechanical ; light - 6. Multiple ChoiceA microphone converts ___________ energy into __________ energy.sound ; electricalelectrical ; soundsound ; mechanicalelectrical ; thermal
- 7. Multiple ChoiceWhat will convert electrical energy into thermal energy?heaterfireplacecarsun
- 8. Multiple ChoiceMr. Lu has constructed the electric circuit shown here. He tells his class that he knows electricity is flowing successfully through the circuit. What evidence shows Mr. Lu that the circuit is operating successfully?The battery and light bulbs are connected by string.Light energy has been created in the bulbs.The battery is yellow.Mechanical energy has been produced,
- 9. Multiple ChoiceEnergy is changed from one form to another during an energy transformation.
Which of the following is an example of a transformation of electrical energy into another kind of energy?a light bulb lighting upa motor making a noisea heater feeling warmall of these - 10. Multiple ChoiceMary's class is learning about the conservation of energy.
The teacher explains that energy cannot be created or destroyed, but it can change forms.
The teacher says that a good example of this is a light bulb. Then, the teacher asks Mary to explain. What should Mary say is the reason that a light bulb is a good example of conservation of energy?The light bulb receives energy from wires, but it does nothing with the energy.The light bulb receives electrical energy from wires and turns it into mechanical energy.The light bulb receives electrical energy from wires and turns it into heat and light energy.The light bulb creates heat and light energy from nothing. - 11. Multiple ChoiceLook at the circuit.
Where would you look to find evidence of energy transfer?the battery at position Zthe fan at position Xthe wires at position Yall of these - 12. Multiple ChoiceRubber is an example ofa circuit.an insulator.a conductor.an inductor.
- 13. Multiple ChoiceWhat type of material does not conduct electricity?transistorconductorinsulatorinductor
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