Convection, Conduction and Radiation

Question 1

Convection example

Answer 1

The bunsen burner heats up the water. The warm water expands and becomes less dense which means it rises. Cooler, more dense water sinks to replace the warm water and a convection current is set up

Question 2

Conduction definition

Answer 2

The way heat travels through solids

Question 3

Conduction example

Answer 3

Attaching ball bearings to different metal strips and heating the centre of the ring they are connected to. The heat will travel through the strips at different rates so the ball bearings will drop at different times