Student activity to model the random nature of radioactive decay. Each group (2 to 3 students) will need a pack of skittles or m&ms. Document includes student instructions, table template and graph template for students to record their data.

Research project I gave for my low ability IGCSE maths group. Students need to research flags, and draw them using only transformations. YouTube search 'Fun with flags&' clip from the TV show &';The Big Bang Theory' as a good 5 min intro the the project.

Two page revision guide the conservation of energy. Types of energy, kinetic energy, gravitational potential energy. Includes practice question, worked questions, and answer page for practice questions.

Three high quality images (printable to at least A3 size) to display the equations and uses of Newton's Law of Gravitation. A PowerPoint of the images along with worked examples. The worked examples are included as a stand alone worksheet as well. (Answers to worksheet are on the PowerPoint).

This guide will show you how to download the Vernier Graphical Analysis app for your (and your students') iPhone, iPad and Android tablets and phones. It will also show you how to manually record data on the app, and how to share the data so that it can be processed in Excel.

Quick video I made to show how binary counters work. You can also watch the video here: https://www.youtube.com/watch?v=UzZNyhspXmo&feature=youtu.be

PowerPoint slides and images from my article using Hawkeye from the Avengers to explain projectile motion. Read the full article at: http://www.richwrigley.com/blog/hawkeye