Students use the information on the PowerPoint to fill in a time line of the history of the atom. Covers the atomic models of Dalton, Thomson, Rutherford, Bohr and briefly the quantum model accepted now. Ends with a quick quiz on the lesson with answers provided.

This resource contains a revision map (High and Low ability versions) and PowerPoint that recaps the particles topic for KS3. It includes: Diffusion, Brownian motion, Air Pressure and State changes. Higher and lower ability version of the revision mat and a powerpoint that recaps the key points and provides an extension application task for those that complete the mat early. Suitable for KS3

Lesson on percentage yield that follows lesson on reacting masses calculations. All answers included and Finished with a mini whiteboard quiz. Teaches students how to calculate percentage yield from given figures and from symbol equations.