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Science
7th -
8thgrade
Year 9: Heat Transfer: Conduction, Convection, Radiation
20 questions
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- 1. Multiple Choice
Hot coffee is stirred with a spoon, the spoon gets hot due to
Convection
Conduction
Radiation
- 2. Multiple Choice
A chair is placed several feet from a fire in a fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because of
Convection
Conduction
Radiation
- 3. Multiple Choice
A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to
Convection
Conduction
Radiation
- 4. Multiple Choice
Near the ceiling of a room the air is warmer. The warm air rises because of
Convection
Conduction
Radiation
- 5. Multiple Choice
In a swimming pool, the water near the surface is slightly warmer. The warm water rises because of
Convection
Conduction
Radiation
- 6. Multiple Choice
You are in the top bunk of a bunk bed and you want to turn the air conditioner on while your friend on the bottom bunk is fine is caused by
Convection
Conduction
Radiation
- 7. Multiple Choice
The cause of weather systems on earth is
Convection
Conduction
Radiation
- 8. Multiple Choice
A fireman feels a door and it is hot from the fire on the other side due to
Convection
Conduction
Radiation
- 9. Multiple Choice
A huge boulder at the state park gets so hot during the day that you can’t sit on it from
Convection
Conduction
Radiation
- 10. Multiple Choice
Warm air over the beach rises while cooler dense air from the ocean rushes in due to
Convection
Conduction
Radiation
- 11. Multiple Choice
A house burns down. On the house across the street, all of the vinyl siding is twisted and warped by the heat. The heat was transferred across the street by
Convection
Conduction
Radiation
- 12. Multiple Choice
As you hold pieces of ice, they begin to melt from the warmth of you hand on them. This is because of
Convection
Conduction
Radiation
- 13. Multiple Choice
A group of friends gather around a fire to stay warm.
conduction
convection
radiation
- 14. Multiple ChoiceThe Gulf Stream is a current that brings warm ocean water from the south to the north.conductionconvectionradiation
- 15. Multiple ChoiceIn heat transfer, heat always flows from the _______________ substance to the _______________ substance.Hotter to colderColder to hotterHotter to hotterColder to colder
- 16. Multiple ChoiceThe type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.ConvectionConductionRadiationinsulation.
- 17. Multiple ChoiceThe kind of heat transfer that travels through space in electromagnetic waves is ______________________.insulation.RadiationConductionConvection
- 18. Multiple Choice___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.ConvectionConductionRadiationinsulation.
- 19. Multiple Choice
Which statement is true?
The quicker a molecule moves, the colder it is.
The slower a molecule moves, the warmer it is.
The quicker a molecule moves, the warmer it is.
- 20. Multiple Choice
When you use a microwave, what is the main way that heat is transferred?
Convection
Conduction
Radiation
- Answer choicesTagsAnswer choicesTags