Heat

Question 1

heat

Answer 1

form of energy

Question 2

Unit of heat

Answer 2

Joules (J)

Question 3

Conduction

Answer 3

the movement of heat energy through a substance by the passing on of molecular vibration from molecule to molecule, without any overall movement of the substance.

Question 4

Convection

Answer 4

Movement of heat through a substance by the movement of the particles

Question 5

Radiation

Answer 5

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

Question 6

Specific Heat Capacity

Answer 6

The Specific Heat Capacity of a substance is the heat energy needed to change one kilogram of the substance by one Kelvin.

Question 7

The formula of Specific Heat Capacity

Answer 7

E = mcΔΘ

Question 8

units for Specific Heat Capacity

Answer 8

c

Question 9

Use of Specific Heat Capacity

Answer 9

Storage Heater

Question 10

Specific Heat Capacity of Fusion

Answer 10

The Specific Latent Heat of Fusion (lf) of a substance is the amount of heat energy need to change 1 kg of the substance from a solid to a liquid without a change in temperature.

Question 11

Specific Heat Capacity of Vaporisation

Answer 11

The Specific Latent of Vaporisation (lv) of a substance is the amount of heat energy needed to change 1 kg of the substance from a liquid to a gas without a change in temperature.

Question 12

Units of Specific latent heat

Answer 12

J kg-1

Question 13

the Formula of Latent Heat

Answer 13

E = ml