Energy Transferred By Heating

Question 1

What’s the meaning of Emits?

Answer 1

Gives out.

Question 2

What’s the meaning of Absorb?

Answer 2

Take in.

Question 3

What’s the meaning of Free electrons?

Answer 3

Electrons that move about freely inside a metal and is not held inside an atom.

Question 4

What’s the meaning of Evaporate?

Answer 4

Turn a liquid into vapour.

Question 5

What’s the meaning of Specific Heat Capacity?

Answer 5

Energy needed by 1 kg of the substance to raise it’s temperature by 1 degrees celsius.

Question 6

What’s the meaning of Solar heating panel?

Answer 6

Sealed ps El designed to use sunlight to heat water running through it.

Question 7

What’s the meaning of Conductor?

Answer 7

A material or device that conducts or transmits heat or electricity, especially when regarded in terms of its capacity to do this.

Question 8

What is the meaning of Insulator?

Answer 8

A substance or device which does not readily conduct electricity.

Question 9

What is the meaning of Convection Current?

Answer 9

A current in a fluid that results from convection.

Question 10

What is the formula for specific heat capacity?

Answer 10

E=mxcx0 
E= the energy transferred into joules(j)
M=the mass in kilograms (kg)
C=the specific heat capacity (j/kg)
0=the temperature change in °c

Question 11

What’s the meaning of Infrared Radiation?

Answer 11

Electromagnetic waves between visible light and microwaves in the electromagnetic spectrum.