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Heat Transfer Quiz
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Perguntas do quiz (30)
1Under what condition can heat pass between two objects?
- Athe objects must be at different temperatures
- Bthe objects must have a lot of energy
- Cthe objects must both be hot
- Dthe objects must both be large
2Which bowl has more energy, a large bowl of soup or a small bowl of soup? (they are both the same temperature)
- Athe large pan of soup has more thermal energy
- Bthe small bowl of soup has more energy
- Cthey both have the same amount of energy
- Dthere is not enough information to know
3Substances that do NOT conduct thermal energy very well are called _____________.
- Ainsulators
- Bconvectors
- Cconductors
- Dexchangers
4Substances that conduct thermal energy very well are called ____________.
- Aconductors
- Bconvectors
- Cexchangers
- Dinsulators
5Your body feels warmer when it absorbs _____________ waves.
- Ainfrared
- Bradio
- Cblue
- Dred
6What is the transfer of thermal energy from one substances to another through direct contact?
- Aconduction
- Bconvection
- Cradiation
- Dgraduation
7What is the transfer of thermal energy by the movement of a liquid or gas?
- Aconvection
- Bconduction
- Cradiation
8What is the transfer of thermal energy through electromagnetic waves such as visible light and infrared waves?
- Aconvection
- Bconduction
- Ccondensation
- Dradiation
9Objects have to _________ for conduction to occur.
- Acollide
- Bhave pride
- Chide
- Dconfide
10______________________________ occur during convection.
- Aconvection currents
- Bocean currents
- Cair currents
- Ddirt currents
11____________ can occur when there is an energy transfer between particles of matter or an energy transfer between particles in space.
- Aradiation
- Bpresentation
- Cconvection
- Dconduction
12Choose the example that describes conduction.
- Ametal spoon in hot soup
- Bboiling water
- Csolar energy
13Choose the example that describes convection.
- Ametal spoon in hot soup
- Bsolar energy
- Cboiling water
14Choose the example that describes radiation.
- Asolar energy
- Bmetal spoon in hot soup
- Cboiling water
15Which of the following heat transfer methods do not need molecules?
- Aradiation
- Bconduction
- Cconvection
16How fast do all electromagnetic waves travel?
- A300,000 km/s
- B200,000 km/s
- C100,000 km/s
- D300,000,000,000,000,000,000,000,000,000,000 km/s
17AM waves are less effected by electrical noise, so they sound better than FM stations
- AVerdadeiro
- BFalso
18Choose the three modern devices that use microwaves.
- AMicrowave Ovens
- BCell phones
- Cartificial satellites in space
- Doranges
- Eapples
- Fpumpkin pie
19The colors of the visible spectrum in order of wavelength are in which order?
- Arainbow order
- Balphabetical order
- Cchronological order
20Choose convection, radiation or convection for each scenario.
One heater located in the deep end warms Henry's entire pool.- Aradiation
- Bconvection
- Cconduction
21Choose convection, radiation or convection for each scenario.
Harold licks a juice pop that he has just removed from the freezer. The tip of his tongue freezes and sticks to the icy-cold treat.- Aconduction
- Bconvection
- Cradiation
22Choose convection, radiation or convection for each scenario.
When Jerald sits near the campfire, her faces feels hot even though her back feels cold.- Aradiation
- Bconvection
- Cconduction
23Why does metal feel colder even though both are at room temperature?
- Ametal in a better conductor than wood
- Bmetal in a better radiator than wood
- Cmetal in a better convection-er than wood
24Why is the end of the spoon in a hot bowl of soup hot, but not as hot as the soup.
- AIt does not have as much energy as the soup. Some energy transfers to the air, other parts of the spoon, and the soup.
- BIt does not has as much energy as the soup. No energy transfers to the air, other parts of the spoon, and the soup.
- CIt does not have as much energy as the soup. Some energy transfers to the chair, other parts of the fork, and the soup.
25Which metal conducts the heat the best.
- Acopper
- Bsteel
- Caluminum
- Dbrass
26What happens to water at the bottom of a hot pot?
- AIt becomes less dense, floats to the top, cools and sinks to the bottom.
- BIt becomes more dense, floats to the bottom, cools and sinks to the top.
- CIt becomes less dense, and sinks to the bottom.
- DIt becomes more dense, floats to the top, cools and sinks to the bottom.
27If you wanted to bake brownies faster which pan would you use?
- Aglass
- Bmetal
- Cceramic
- Dno pan
28How do you prevent conduction?
Choose all that apply- Ainsulators
- Bconductors
- Cvacuum
29How do you prevent convection?
Choose all that apply- Ause small spaces
- Bvacuum
- Cinsulators
- Dconductors
30How do you prevent radiation?
Choose all that apply- Ause shiny surfaces
- Bconductors
- Cmicrowave ovens
- Dinsulators
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