The golden book of chemistry experiments.
Probably many of them are not the ones you should try at home without the supervision of an adult; still, it is an amazing resource with a wealth of information if you dream to become a professional chemist some day.
Periodic Table of the Elements.
In many different languages and with links to the Wikipedia articles on each one of the chemical elements.
Chemical reactions in Chem4kids.com.
A very comprehensive and easy to understand resource meant for pupils in secondary education. Use the links in the top right menu to further along the tutorial.
What happens when you carbonate water?
Learn what an acid is through an experiment with carbonated water and red cabbage.
Rusting of aluminium can either hold an airplane together or dissolve it to bits. Learn how.