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- 1. Multiple Choice
Electrical Energy is transferred to _____ Energy.ThermalSolarElectricalNone - 2. Multiple ChoiceWhich energy transformation occurs in a toaster?chemical to electricelectric to thermalkinetic to chemicalthermal to potential
- 3. Multiple ChoiceAccording to the Law of Conservation of Energy, energy cannot be _________ or ____________.destroyed, destroyedcreated, savedcreated, destroyedlost, found
- 4. Multiple ChoiceEnergy transformations occur when...energy is created through conductionenergy changes from one form to anothertwo forces slide together that are touchinga chemical reaction takes place
- 5. Multiple ChoiceThe picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —solarlightthermalmechanical
- 6. Multiple ChoiceThe purpose of the panels is to change solar energy into ____________.light energyelectrical energychemical energymechanical energy
- 7. Multiple ChoiceA hairdryer converts --electrical energy into chemicalelectrical energy into thermalchemical energy into mechanicalthermal energy into mechanical
- 8. Multiple ChoiceA group of students are studying the movement of thermal energy. The teacher asks the students to place the palms of their hands flat on their table tops and describe what is happening. Which statement below is the best description of what is happening?The table feels cold because it is at a lower temperature than the students' hands, and thermal energy is being pulled into the table.The table feels cold because it is at a lower temperature than the students' hands, and thermal energy is being pulled into the students' hands.The table feels cold because it is solid, and solids hold thermal energy better than air.The table feels cold because it is at a lower temperature than the air in the room.
- 9. Multiple ChoiceMechanical Energy is transferred to _____ Energy.SolarMechanicalElectricalPotential
- 10. Multiple ChoiceElectrical -> Mechanical -> SoundA triple beam balance measuring an object’s massA pencil sharpener plugged into a wall outletA projector displaying a diagram on the screenA working flashlight used to light up a dark corner
- 11. Multiple ChoiceWhat energy is given off when a cell phone rings?Sound EnergyGravitational EnergyThermal EnergyNuclear Energy
- 12. Multiple ChoiceWhich of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?Chemical to lightElectrical to chemicalElectrical to lightChemical to electrical
- 13. Multiple ChoiceWhich of the following devices transforms electrical energy into mechanical energy?An e-readera fana manual pencil sharpeneripod
- 14. Multiple ChoiceName the energy transformations taking place when I plug in my radio and it begins playing.Thermal to mechanical to electricalRadiant to chemicalElectrical to sound
- 15. Multiple ChoiceWhat is Energy?The transfer energy when a force is applied over a distance.The ability to cause change or the ability to do work.The energy of an object has because of its motion.
- 16. Multiple ChoiceWhat is electrical energy?The energy that an electric current carries. When you plug something in, this energy flows.Energy carried in waves of vibrating matter. It cannot travel through empty space (it MUST have matter to travel)Energy stored in objects that are compressed or stretched like springs or rubber bands.
- 17. Multiple ChoiceWhat is sound energy?The energy that an electric current carries. When you plug something in, this energy flows.Energy carried in waves of vibrating matter. It cannot travel through empty space (it MUST have matter to travel)Energy stored in objects that are compressed or stretched like springs or rubber bands.
- 18. Multiple ChoiceWhat is thermal energy?Stored energy that is released when the nucleus of atoms are split apart or fused together.The energy due to an object's motion, position or condition. It is both kinetic and potential.The energy due to the movement of atoms or molecules that make up an object. This energy moves from warmer objects to colder objects.The energy from the sun carried by electromagnetic waves. It can move through empty space (no matter needed).
- 19. Multiple ChoiceWhat is mechanical energy?Stored energy that is released when the nucleus of atoms are split apart or fused together.The energy formed due to an object's motion, position or condition. It is both kinetic and potential.The energy due to the movement of atoms or molecules that make up an object. This energy moves from warmer objects to colder objects.The energy from the sun carried by electromagnetic waves. It can move through empty space (no matter needed).
- 20. Multiple ChoiceWhat kind of energy does this device use?ChemicalElectricalThermalChemical
- 21. Multiple Choice
What kind of energy is represented in this picture?
Chemical, Thermal
Chemical, Potential
Thermal, Nuclear
Thermal, Mechanical
- 22. Multiple Choice
Much like a battery, wood contains stored energy. What energy transformations occur when wood is burned?
Thermal energy transforms to chemical energy and light energy.
Biological energy transforms to electrical energy and light energy.
Chemical energy transforms to thermal energy and light energy.
Chemical energy transforms to thermal energy and heat energy.
- 23. Multiple Choice
Identify the correct order for the energy transformations in a flashlight.
Electrical to chemical to thermal
Light to electrical to chemical
Thermal to electrical to light
Chemical to electrical to light
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