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- 1. Multiple Choice
The total energy of all the particles in a substance is called
temperature
thermal energy
degrees
mass
- 2. Multiple Choice
The movement of thermal energy from a warmer object to a cooler object is called
heat
temperatur
motion
momentum
- 3. Multiple Choice
Heat transfer occurs
in many directions
both from warm objects to colder ones and from cold objects to warmer ones
only from warm objects to colder ones
only from cold objects to warmer ones
- 4. Multiple Choice
A measure of the average kinetic energy of the individual particles in an object is called
thermal energy
conduction
convection
temperature
- 5. Multiple ChoiceWhat happens to particles as they heat up?They slow downNothingThey don't moveThey speed up
- 6. Multiple ChoiceWhat happens to particles as they cool down?They slow downNothingThey don't moveThey speed up
- 7. Multiple ChoiceAs you touch a hot stove the heat transfers -from your hand to the stovefrom the stove to your handIt doesn't transfer
- 8. Multiple ChoiceHot objects begin to cool as-cooler air is transferred to the hot object.thermal energy in the object is transferred to the surrounding air.atoms in the object react with the oxygen in the air.thermal energy in the object cancels out energy in the air
- 9. Multiple ChoiceWhich 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.Thermal energy is transferred from the water to the spoon.Thermal energy in the water is transformed into kinetic energy in the spoon.Thermal energy in the spoon is transformed into kinetic energy in the water.
- 10. Multiple Choice
Which particles are moving fastest?
Particles in ice.
Particles in boiling water.
Particles in water from the sink.
Particles in steam.
- 11. Multiple Choice
Molecular motion _________ when temperature is increased.IncreasesDecreases - Answer choicesTagsAnswer choicesTags