1. There are three states of matter – solids, liquids and gases
Changes of state
There are three states of matter – solids, liquids and gases
When a substance changes state, the particles gain or lose energy
Melting – solid into liquid (gain)
Freezing – liquid into solid (lose)
Boiling – liquid into gas (gain)
Condensing – gas into liquid (lose)
Changes of state

2. Changes of state - warming

3. Changes of state - cooling

4. Element, Compound, Mixture
An element is a substance which contains only one type of atom
A compound is a substance in which two or more atoms are chemically joined together
A mixture contains two or more elements or compounds that are not chemically joined together.
Element, Compound, Mixture

5. Element, Compound, Mixture

6. Separation Techniques
The substances in mixtures can be separated physically; compounds cannot be broken down physically
Separation Techniques

7. Distillation
Distillation

8. Chromatography
Chromatography

9. Separating Sand and Salt

10. Wordsearch
Wordsearch

11. Quiz
Quiz