Materials

How to explain and demonstrate dissolving

What's the difference between a mixture and a solution?

Separating Materials: The basics

Separating Materials: Separate materials by their properties

Separating Materials: Using a filter to separate materials

Separating Materials: How to separate two liquids

Chemical Reactions at Second Level

This video explains the difference between a chemical reaction and a physical change.

Chemical Reactions: Investigation 1

Chemical Reactions: Investigation 2

Chemical Reactions: Investigation 3

Chemical Reactions: How to make a fire extinguisher