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- 1. Multiple ChoiceThe heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?radiationconductionconvectioninsulation
- 2. Multiple ChoiceWhat is the definition of CONDUCTION?When heat is transferred from objects like rays of light or electromagnetically.a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.When heat transfers from objects that are touching.When heat transfers through the heater or AC in your house.
- 3. Multiple Choice
What is the definition of CONVECTION
When heat transfers through waves.
When heat transfers from objects that are touching.
warm fluid rises; cool fluid sinks
Heat traveling from the sun
- 4. Multiple ChoiceWarm air is __________ dense than cold air and rises creating convection currents.moreless
- 5. Multiple ChoiceWhat is the BEST example of a conductor?A wooden blockA ceramic mugA glass cupA metal bowl
- 6. Multiple ChoiceAn insulator . . .Allows a lot of heat to escapeMakes the temperature of an object riseMoves heat from one place to anotherTraps heat inside an object
- 7. Multiple ChoiceTrue or False: A thermal conductor transfers heat well between two objects, and the heat does not stay in one place.TrueFalse
- 8. Multiple ChoiceA jacket is a good example of an . . .InsulatorInvestigatorInsiderInterrogator
- 9. Multiple ChoiceWhat is the BEST example of a conductor?A plastic toyA wooden tableA styrofoam cupA metal shed
- 10. Multiple ChoiceThe faster an object moves, the ________ kinetic energy it has.morelessnone of the aboveall of the above
- 11. Multiple ChoiceWhich is a TRUE statement comparing the density of gases and liquids?Gases have higher density than liquids because the atoms are further apartGases have lower density than liquids because the atoms are closer togetherGases have lower density than liquids because the atoms are further apartGases have higher density than liquids because the atoms are closer together
- 12. Multiple ChoiceAs the temperature of a solid or liquid increases, the force of attraction between the atoms/molecules......increasesdecreasesremains the same
- 13. Multiple ChoiceWhich of the following containers of sand has atoms/molecules with the greatest average kinetic energy?1 kg at 20oC2 kg at 20oC4 kg at 20oCnone has a greater amount because all have the same average kinetic energy
- 14. Multiple ChoiceThermal energy always moves from ___________ to __________.Hot to HotCold to hotWarmer to coolerCooler to warmer
- 15. Multiple ChoiceWhy does warm air rise and cool air sink?Warm air is less dense than cooler air.Warm air is more dense than cooler air.Warm air weighs less than cooler air.Warm air weighs more than cooler air.
- 16. Multiple Choice
When would an object left in a room temperature room stop transferring heat?
When it has reached the same temperature as the room temperature air
When it has lost all of its thermal energy
When it has gained all of the air's thermal energy
When it has gained or lost all of it's coldness to the air
- 17. Multiple ChoiceThe transfer of thermal energy between objects of different temperatures is called...temperatureheatnone of these
- 18. Multiple ChoiceWhen thermal energy is added to a substance, the substance's particles move:More rapidly at an increased distance from each otherMore rapidly with less distance between each otherMore slowly with a greater distance between each otherMore slowly with a reduced distance be
- 19. Multiple ChoiceA measure of the average amount of kinetic energy of the particles in the object.energyexpansiontemperatureheat
- 20. Multiple Choice
The faster molecules move,the higher the temperaturethe less temperaturethe same temperatureI don't know - Answer choicesTagsAnswer choicesTags