KS3 Bitesize foundation level – Chemical Reactions – a video covering Word Equations, Oxidation & Combustion Reactions, Decomposition Reactions & Helpful & Unhelpful Reactions.
Complete & Incomplete combustion (for GCSE):
Carbon monoxide (the silent killer):
Potassium chlorate and a gummy bear:
Short Circuit – a 19m video on Polymers.
Science Bank (18) – Patterns of Behaviour – not sure if this is any good yet:
KS3 Bitesize higher level – Chemical Reactions – a video covering the Reactivity Series and Predictions about Chemical Reactions.