P2 Flashcards

1
Q

The specific heat capacity of a substance is…

A

The amount of energy needed to change the temperature of 1kg of substance by 1 degree.

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2
Q

Thermal

A

A term relating to heat energy

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3
Q

Conduct

A

Means to lead, guide or transmit

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4
Q

Thermal Conductivity

A

Of a material refers to the rate at which it transfers heat energy

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5
Q

All objects emit and absorb…….

A

Infrared radiation

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6
Q

The temperature of an object increases if it absorbs more _________ than it emits

A

Radiation

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7
Q

The ________ mass of an object , the more ______ its temperature increases when it is heated

A

Greater, slowly

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8
Q

The rate of energy transfer from houses can be reduced by using:

A

. Loft insulations
. Cavity wall insulation
. Double Glazed windows

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