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- 1. Multiple Choice
Emerson places a beaker of water on a hotplate and turns the hotplate on. The temperature in the room is 25 ºC. After the water heats to 75 ºC, she adds pieces of ice to the beaker.
Which of the following describes a transfer of heat energy that occurs during this experiment?
from the air to the water
from the ice to the beaker
from the water to the ice
from the water to the hotplate
- 2. Multiple Choice
Joe places two solid objects in contact with each other. Which property determines the direction of the flow of heat between the two objects?
material of the objects
volume of objects
density of objects
temperature of objects
- 3. Multiple Choice
Jeriah places two metal cubes in contact with each other. Energy transfers as heat flows from Cube A to Cube B. What conclusion can you draw regarding Cube A?
It is larger than Cube B.
It is cooler than Cube B.
It is smaller than Cube B.
It is warmer than Cube B.
- 4. Multiple ChoiceThe measure of average kinetic energy of all the particles within an object is called ____________.temperatureconductionradiationheat
- 5. Multiple Choiceheat always travels from _____ to ______ objectshot to coldcold to hotcold to coldhot to hot
- 6. Multiple ChoiceNo Definite Shape and No Definite VolumeGasLiquidSolid
- 7. Multiple ChoiceWhen the temperature of matter decreases the particles ...speed up and move farther apartspeed up and move closer togetherslow down and move farther apartslow down and move closer together
- 8. Multiple ChoiceWhen air in a hot air balloon is heated the air inside the baloon...expandscontractsevaporatescondenses
- 9. Multiple ChoiceAs the kinetic energy of the molecules in a substance increases, the temperature of the substance __________.increasesdecreases
- 10. Multiple ChoiceIn which state of matter are molecules moving the slowest?solidliquidgasall of the above
- 11. Multiple ChoiceHigh temperature is connected to:Low kinetic energy.High kinetic energy.Zero net energy.Equal kinetic energies.
- 12. Multiple ChoiceWhich substance is the gas?ABC
- 13. Multiple ChoiceWhich one of the following is NOT a source of heat?A candleBoiling waterBurning coalHeated oven
- 14. Multiple ChoiceThe measure of average kinetic energy of all the particles within an object is called ____________.temperatureconductionradiationheat
- 15. Multiple ChoiceWhat is the temperature of the warmest thermometer?13 degrees20 degrees30 degrees22 degrees
- 16. Multiple ChoiceWhat happens to particles as they cool down?They slow downNothingThey don't moveThey speed up
- 17. Multiple ChoiceMittens help keep your hands warm in winter because:They are conductors of heat.They are fuzzy.They are conductors of electrical energy.They are insulators.
- 18. Multiple ChoiceConductors are materials that...Allow heat to pass throughStop heat from passing throughAllow cold to pass throughStop cold from passing through
- 19. Multiple ChoiceAn object that doesn't conduct heat well is known as:a conductoran insulatorconductioninsulation
- 20. Multiple ChoiceThe Law of Conservation of Energy states:Energy can created or destroyed but not transformedEnergy cannot be created or destroyed, it can only transformedEnergy can't be created, destroyed or transformed
- Answer choicesTagsAnswer choicesTags