A lesson on how to balance word and symbol equations could be used for KS3 or GCSE. I uses chemical reactions between acids and metals to help guide students on how to name salts.
full lesson on alpha and beta decay and simple exam questions to help understanding. Gamma also briefly mentioned. The lesson is also printed on a work booklet if needed to help students
full lesson on latent heat and internal energy. Lesson requires students to measure the temperature of icy water while heating it. This can be done as a demo.