SCIENCE

Today we began our Heat Unit.
Notes:

7.1 HEAT IS A FORM OF ENERGY

The Sun Gives Out Heat

1.     Heat is a form of energy.

2.     The Sun is the primary source of heat energy.

Other Sources Of Heat Energy

1. Apart from the sun, we can get heat energy from :

•                     Electricity

•                     Fossil fuel

•                     Radioactive metals

•                     The mantle of the Earth.