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Rates of reaction cartoon (BBC Bitesize)
Watch the cartoon and follow the instructions to learn about rates of reaction.

Rates of reaction (s-cool)
Follow the links to concise revision notes on rates of reaction, then have a go at the multiple choice questions and exam style questions.

Rates of reaction video (BBC Bitesize)
Watch the video to remind yourself about the different ways to speed up a chemical reaction.

Endothermic and exothermic reactions - Bitesize video
Watch this short video clip to help you to understand exothermic and endothermic reactions.

Rates of reaction - Bitesize video
Watch this video to help you to revise the effect of concentration, particle size, temperature and catalysts on the rate of reaction. Then practise your collision theory explanations!

Reversible reactions and equilibria - Bitesize
Read through these pages to revise what you have learned about reversible reactions and the contact process.

Exothermic and endothermic reactions (s-cool)
Read through the text and watch the animation to learn how bonds are broken and made in chemical reactions and how this determines the energy change.

YouTube - Ri Christmas Lectures 2012
Watch some of these video clips to see some amazing chemical reactions, based on the elements and how they react.

Balancing equations activity
Select the level you want to play at and then use the drop down menus to balance the equations.

Chembalancer
Try one of the Chembalancer activities on this website. You'll need to enter the number 1 into the appropriate box, unlike when you write out a balanced equation normally.

Rates of reaction quizzes (Doc Brown)
Have a go at these quizzes on rates of reaction.

Redox and rusting quizzes (Doc Brown)
Have a go at these quizzes to test your understanding of redox and rusting.

Energy changes quizzes (Doc Brown)
Have a go at the quizzes and worksheets on exothermic and endothermic reactions.

Rates of reaction (BBC Bitesize)
Read the information to recap rates of reaction and follow the links to the quiz at the end.

Combustion (BBC Bitesize)
Read the pages to find out more about combustion and then follow the links to the quiz at the end.

Thermal decomposition (BBC Bitesize)
Read the information about thermal decomposition of transition metal carbonates.

Limestone (BBC Bitesize)
Read these four pages to find out more about limestone, what it is used for and how it is processed. There is a quiz at the end to test your understanding.

Energy changes (BBC Bitesize)
Read through these four pages on exothermic and endothermic changes and then have a go at the quiz at the end.

Complete and incomplete combustion
Read through the pages to find out about the differences between complete and incomplete combustion.

Types of reaction (s-cool)
Read through the descriptions of different chemical reactions so that you know to recognise them.

Ionic equations and precipitation reactions - Bitesize
Read through these pages to help you revise how to write ionic equations for precipitation reactions, including the tests for sulfate and halide ions.

Measuring rates of reaction (S-cool)
Read this page to find out how to measure the rate of a reaction.

Controlling the rate of reaction
Read through this detailed summary of why concentration, temperature, surface area and catalysts on the rate of a chemical reaction.

Electrolysis (s-cool)
Read through this page to review your understanding of electrolysis.

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 immune system
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