Secret Lab: Acids, Alkalis and Salts

Professor Knowitall and his two assistants learn what acids and alkalis are.

In this episode, Dr Bright finds herself in a dark cave to find out more about acids and alkalis and how beautiful stalactites are formed from acids.

Back in the lab, Professor Knowitall teaches Dr Spark about the pH Scale and how we can test how acidic or alkaline a substance is.

Dr Bright is then instructed to visit a spooky graveyard to see the effects of acid rain. Will she brave it? 

Please do have a look at the glossary clip and behind-the-scenes clip below to learn more about this programme! 

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