Thermos
Authored by Paul Brocklehurst
Science
6th Grade - University
Used 122+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a thermos?
A Thermos is an insulated beverage container (it’s made to keep drinks hot or cold for longer). It minimizes heat transfer due to conduction, convection and radiation.
A Thermos is a beverage heater. It transfers heat to a drink to make it hot.
A Thermos is a refrigerated beverage container. It removes heat from a drink to make it cool.
A Thermos is a beverage maker. It mixes the ingredients of beverages by stirring, whipping, blending, and chopping them. They are useful in making smoothies, slushies, and other mixes.
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which parts are commonly found in thermoses? Check all that apply
Insulated support
Inner bottle
Outer bottle
Silvered surfaces
Cap
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a vacuum?
A space or container that is filled with matter, making it very dense and difficult to pass through.
A space or container where there is no matter. There is not even air (no molecules).
A space or container with no liquids or solids inside, only air.
A space or container where the dust and dirt from the floor are collected.
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What methods of heat transfer does a vacuum barrier between two bottles eliminate? Choose all that apply.
Conduction
Convection
Radiation
Translation
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What methods of heat transfer does a vacuum barrier between two bottles NOT eliminate? Choose all that apply.
Conduction
Convection
Radiation
Translation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of the silvered surfaces on the inner bottle?
To reduce heat loss due to conduction. Shiny materials are good insulators.
To reduce heat loss due to convection. Shiny materials are known to stop convection from occuring.
To reduce heat loss due to radiation. Shiny materials reflect heat radiation back to its source.
To make the inner bottle look fancier so that people will pay more.
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
According to the reading in ASK, which of the following reduce heat loss from conduction in typical thermoses?
glass bottles
silver metal bottles
cork support
aluminum support
vacuum barrier between the bottles
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