Energy transfers

What is the principle of conservation of energy?

What is the principle of conservation of energy?

• Energy cannot be created or destroyed

• Only transferred from one store/form to another

Are black objects good absorbers and emitters of infrared radiation?

Yes

Are dull/dark good absorbers and emitters of infrared radiation?

Reasonable absorbers and emitters

Are white objects good absorbers and emitters of infrared radiation?

Poor absorbers and emitters

Are shiny objects good absorbers and emitters of infrared radiation?

Reflect infrared radiation and are very poor emitters

Can convection occur in solids?

No

What are some types of insulation to prevent heat loss?

• Cavity wall insulation

• Double glazing