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- 1. Multiple ChoiceConduction can only occur between two objects when –one object is less dense than the other.both objects are in physical contact with each other.one of the objects is made of a metal.both objects are exactly the same temperature.
- 2. Multiple Choice
In the situation illustrated, how will heat energy move? Heat energy will be transferred from –the water to the hot plate by convection.the water to the hot plate by conduction.the hot plate to the water by convection.the hot plate to the water by conduction. - 3. Multiple ChoiceRadiation is a method of thermal energy transfer that moves -through empty space.when objects touch.only through solids.in the motion of fluids.
- 4. Multiple ChoiceAn example of a situation in which an egg is receiving thermal energy through convection -The egg is kept warm by its mother in the nest.An egg cracked on a hot sidewalk starts to cook.The egg is hard boiled in a pot of water.A metal pan on the stove fries the egg.
- 5. Multiple ChoiceWhat two kinds of heat transfer are represented?stove→pot=radiation pot→egg=conductionstove→pot=conduction pot→egg=radiationstove→pot=convection pot→egg=conductionstove→pot=conduction pot→egg=convection
- 6. Multiple ChoiceWhich energy conversion is taking place when you put gasoline in a car?thermal -> electricalmechanical -> electricalchemical -> mechanicalmechanical -> electromagnetic
- 7. Multiple Choicewhat type of energy is stored in a battery?electricalchemicalthermalmechanical
- 8. Multiple ChoiceWhich energy transformation occurs in a toaster?chemical to electricelectric to thermalkinetic to chemicalthermal to potential
- 9. Multiple ChoiceA battery converts what type of energy to another?sound to kineticlight to heatmechanical to electricalchemical to electrical
- 10. 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
- 11. Multiple ChoiceThe roller coaster cart has the most gravitational potential energy at position-WXYZ
- 12. Multiple ChoiceWhich items would have this energy transformation: chemical energy -> mechanical energy?person runningcandle burningwindmill turningplaying a violin
- 13. Multiple Choice"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?Law of Conservation of MassNewton's Second LawLaw of Conservation of EnergyNewton's Third Law - 14. Multiple ChoiceEnergy due to motion is ____________ energy.PotentialEnergyKineticFriction
- 15. Multiple ChoiceThe faster an object moves, the ________ kinetic energy it has.morelessnone of the aboveall of the above
- 16. Multiple Choice__________ is stored energy.PotentialKineticNone of the aboveAll of the above
- 17. Multiple ChoiceWhen you stretch a rubber band, you are storing __________ energy.kineticpotentialnone of the aboveall of the above
- 18. Multiple ChoiceWhat kind of energy is in basketball passing through the hoop?PotentialKinetic
- 19. Multiple ChoiceAt which point is kinetic energy greatest?WXYZ
- 20. Multiple Choice
Energy can be _____________ or changed from one type to another.
destroyed
transformed
created
ignored
- 21. Multiple Choice
Between which two points is the potential and kinetic energy equal?
W - X
X - Y
Y-Z
- 22. Multiple Choice
Between which two points is the potential energy increasing and kinetic energy decreasing?
W - X
X - Y
Y-Z
- 23. Multiple Choice
Between which two points is the potential energy decreasing and kinetic energy increasing? There is more than one answer.
W - X
X - Y
Y-Z
- 24. Multiple Choice
Energy disappears.
True
False
- 25. Multiple Choice
What energy transformation allows you to wake up and move around?
chemical - mechanical
chemical - radiant
mechanical - chemical
chemical - electrical
- Answer choicesTagsAnswer choicesTags