Level 1
Level 2
100

Steak sizzling as it is placed on the hot grill

What is Conduction?

100

Warm Air rising

Convection 

200

Boiling water circulating in a pot

What is Convection?

200

An over that uses a fan to move air from the heart source to the food 

Convection

300

Infrared lamp keeping food hot

Radiation

300

A customer visits a tanning booth

Radiation

400

The suns energy heating the earth

What is Radiation 

400

An egg drying in a pan ( on top of a stove)

Conduction

500

The surface of the earth heating the air in contact with it

Conduction

500

Baking a potato in a microwave oven

Radiation