Heat

1. Poor Conductors of Heat

1.1. Glass

1.2. Air

1.3. Wood

1.4. Plastic

1.5. Rubber

1.6. They do not gain heat easily and do not lose heat easily.

2. Heat Sources

2.1. Electricity

2.2. Stove

2.3. Sun

2.4. Hands

3. Good Conductors of Heat

3.1. Metals!

3.2. They gain heat easily but lose heat easily as well.

4. States of matter

4.1. Solid(ice)

4.2. Liquid

4.3. Gas

5. Heat Transfer

5.1. An object either gains heat or lose heat. Thus it becomes colder or hotter.

5.2. When an object gain heat, it expands.

5.3. When an object lose heat, it contracts.