**A low stakes, retrieval test on bonding lasting 20 minutes. It matches AQA C2 Chemistry but works for all exam boards - it includes metallic, ionic, simple covalent molecular and giant covalent structures. Suitable for separate Chemisry or Combined Science. ** Answers included; students can easily self mark. Suitable for Higher or Foundation Can be used for a class test or a starter

**A double lesson on: scalars vs vectors, calculating weight and mass, understanding the meaning of acceleration in terms of velocity, speed and direction. ** Both foundation and Higher resources included Resources: Powerpoint presentation Starter Worksheet Answers and full solutions in the ppt Homework and answers 100% comprehensive double lesson A higher and foundation version are both included. **Other: ** Visualiser friendly Highly scaffolded Taught with Rosenshine’s principles in mind for a teacher led, highly scaffolded and challenging lesson. Students can self-assess all answers This is a double lesson aimed at 100 minutes. It could easily be turned into 2 single lessons just by adding a starter. All necessary resources are included, the only thing you would have to do is differentiate it slightly to the ability of your group. Higher and foundation are included. This could be used for AQA P5 or Edexcel Topic 2 or OCR.

Classwork/ homework: Uncertainty on spring constants and density. Calculations with formulas Gradient uncertainties