Thermal conductivity

Question 1

Thermal conductivity

Answer 1

A mesure of how well a material tranfers energy

Question 2

How does air conduct thermally?

Answer 2

It doesnt really, its a poor thermal conductor, this is why insulation clothes often have air trapped in them

puffer jackets

Question 3

What are the 3 ways heat can transfer?

Answer 3

Conduction, Convection and Radiation

Question 4

Conduction

Answer 4

Vibratiing particles in a material pass their thermal energy to neighbouring particles

Heat moving through solids

Ironing of clothes

Question 5

Convection

Answer 5

Warm fluid rises above colder fluid. The hot fluid movs somewhere else taking hte material with it.

Liquids or gas, changing in density

Convection currents

Question 6

what are fluids?

Answer 6

Gasses or liquids

Question 7

Radiation

( Infrared )

Answer 7

Thermal energy is transferred by infrared light. It is the only method that works in a vaccum

Type of light wave, color

Those infrared heaters