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otassium manganate (VII), is used as a dye to show the motion of the water when it is gently heated. ​ CAUTION: Safety goggles should be worn as a Bunsen burner is used and potassium permanganate in its solid form is an oxidiser, harmful if swallowed and harmful to aquatic life. This video along with the CLEAPSS student safety sheet can be found here: https://www.gcsephysicsonline.com/practical-convection Thanks for watching, Lewis Relevant for GCSE Physics 9-1 in the following exam boards: AQA (including Trilogy) (not specifically relevant but recommended) Edexcel (Physics only) WJEC (Higher only) CIE (Cambridge International Examinations) IGCSE Edexcel International IGCSE 00:00 - Introduction 00:10 - Setup 01:40 - The Experiment _____________________________________ MY PHYSICS WEBSITES Find even more videos organised by exam board and topic at: GCSE Physics Online ► https://www.gcsephysicsonline.com A Level Physics Online ► https://www.alevelphysicsonline.com MY YOUTUBE CHANNEL Your support in watching this video has been invaluable! To contribute towards the free videos on YouTube, make a small donation at: ► https://www.paypal.me/physicsonline FOLLOW ME ► https://www.youtube.com/physicsonline?sub_confirmation=1 ► https://www.instagram.com/physicsonline/ ► https://www.facebook.com/gcseandalevelphysicsonline #physicsonline