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- 1. Multiple Choice
The transfer of energy through molecules in direct contact is ...
Heat
Conduction
Convection
Radiation
- 2. Multiple ChoiceThe flow of energy that occurs when a warm liquid or gas rises ..HeatConductionConvectionRadiation
- 3. Multiple ChoiceThe transfer of energy by electromagnetic waves.HeatConductionConvectionRadiation
- 4. Multiple Choice
As you touch a hot stove the heat transfers -
from your hand to the stove by conduction.
from the stove to your hand by conduction.
from your hand to the stove by radiation.
from the stove to your hand by radiation.
- 5. Multiple Choice
Which sentence explains why a cold metal spoon placed in a pot of boiling water becomes hot?
Thermal energy is transferred from the spoon to the water by conduction
Thermal energy is transferred from the water to the spoon by conduction.
Thermal energy in the water is transformed into kinetic energy in the spoon by convection.
Thermal energy in the spoon is transformed into kinetic energy in the water by convection.
- 6. Multiple ChoiceIn a lava lamp, the warm part rises and the cool part sinks. This is an example ofheat computationconvectionconductionradiation
- 7. Multiple Choice_________________ are observed in liquids and gases (air).convection currentsradiation wavesthermal conductivityconductors
- 8. Multiple ChoiceThe movement of thermal energy from a region of _________________ temperature to a region of _____________________ temperature is called heat.higher, lowercooler, warmerlower, highermedium, medium
- 9. Multiple ChoiceThe rubber that makes up the handle on the pan is considered a thermal ___________________ because thermal energy moves slowly through this material.conductorinsulatorregulatortemperature
- 10. Multiple ChoiceWhich example below is an example of conduction?Boiling macaroniThe attic is warmer than the basementThe Sun heating the EarthTouching hot sand with your feet
- 11. Multiple ChoiceWhich example below is an example of convection?Standing on a hot metal bridgeThe attic is warmer than the basementThe Sun heating the EarthTouching hot sand with your feet
- 12. Multiple ChoiceWhich example below is an example of radiation?Standing on a hot metal bridgeThe attic is warmer than the basementThe Sun heating the EarthTouching hot sand with your feet
- 13. Multiple ChoiceTrue or false: Heat moves from the cooler object to a warmer objectTrueFalse
- 14. Multiple Choice
True or False?
Heat and temperature are different.
True
False
- 15. Multiple Choice
As thermal energy increases, kinetic energy also...
Increases
Decreases
Remains the same
- 16. Multiple ChoiceThe diagram to the right shows a solid iron bar that is being heated in a flame. The primary method of heat transfer in the solid iron bar is—convectionconductionabsorptionradiation
- 17. Multiple ChoiceWhat is the difference between heat and temperature?a. Temperature measures the motion of molecules, and heat is the energy of that motionb. Temperature is measured by a thermometer, and heat is measured by a barometerc. Heat is measured in calories, and temperature is measured in joulesd. Heat is caused by the sun, and temperature is caused by conditions in the atmosphere
- 18. Multiple ChoiceWhy is there more thermal energy in an iceberg than in a pot of boiling water?a. The pot insulates the heated moleculesb. Most icebergs are fairly warm to the touchc. Icebergs contain many more molecules than pots of waterd. Water does not hold heat very well
- 19. Multiple Choice
What tool is used to measure temperature?
a stove
a beaker
a thermometer
a glove
- 20. Multiple Choice
Metal objects heat up more slowly than plastic or wooden objects?
True
False
- Answer choicesTagsAnswer choicesTags