P1A Physics Notes - GCSE

Black and Matte Surfaces emit and absorb heat ____(1)_____

& Light and Shiny Surfaces emit and absorb heat ......(2).......

1) Well/Efficiently

2) Poorly/Badly

 Metals conduct heat ___(1)___ than non-metals

Metals contain a lot of _____(2)______

Convection takes place in _____(3)______ only

1) better

2) Free electrons

3) Fluids/Liquid & Gases

efficiency = 

useful energy transferred by device 

_________________________

  total energy supplied to device 

OR

Useful energy over total energy

Which are Renewable and Non-Renewable

Gas

Coal

Solar

Wind

Nuclear 

Tidal

Renewable - Solar, Wind, Tidal

Non-Renewable - Gas, Coal, Nuclear