Heat and Temperature

Question 1

Temperature

Answer 1

The measure of the hotness or coldness of a body

Question 2

Thermometric Properties

Answer 2

Any physical properties that change measurably with temperature

Question 3

Specific Heat Capacity

Answer 3

The heat energy needed to change the temperature of 1kg of the substance by 1K

Question 4

Specific Latent Heat

Answer 4

The amount of heat energy needed to change the state of 1kg of that substance without changing its temperature

Question 5

Conduction

Answer 5

The movement of heat energy through a substance by the passing on of molecular vibration from molecule to molecule. There is no overall motion of the substance

Question 6

Convection

Answer 6

The transfer of heat through a fluid by means of circulating currents of fluid caused by the heat

Question 7

Radiation

Answer 7

The transfer of heat energy from one place to another in the form of electromagnetic waves

Question 8

U Value

Answer 8

The U value of a structure is the amount of heat energy lost per second through 1m^2 of the structure when a temperature difference of 1K is maintained between its ends

Question 9

Solar Constant

Answer 9

The average amount of the sun’s energy falling per second perpendicularly on 1m^2 or the Earth’s atmosphere