Vacuum Flask Flashcards

1
Q

Plastic Case

A

Outer plastic case reduces heat loss by conduction

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2
Q

Stopper

A

Tight fitting stopper reduces convection conduction and radiation from the top of the flask

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3
Q

Support

A

Small support stops the glass from touching the outer container to minimise heat loss by conduction

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4
Q

Vacuum

A

Reduces heat loss by conduction and convection only radiated heat can travel through a vacuum

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5
Q

Silvering

A

helps reflect any radiated heat back into the flask stopping heat escaping

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6
Q

Double Glass Bottle

A

Glass is a good insulator reducing heat loss by conduction. It is also a good to contain the vacuum

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