If you want further revision websites then try clicking the links below or try the revision activities at the bottom of the page...
BBC Bitesize Revision Website for AQA Additional Science
Chemistry Revision Materials from Revision World
Sam Learning - log in using you ID and password. Make sure you choose the correct course...
Choose 'GCSE' from the menu on the left hand side. When the new screen loads up choose 'Science' from the right hand side and then when the next page loads choose 'Additional'.