GCSE workbooks https://www.amazon.co.uk/DrShaunDon...
School licenses from 40p per copy https://www.freesciencelessons.co.uk/...

In this video, we look at exothermic and endothermic reactions and how these are represented on reaction energy profiles. We then look at what is meant by activation energy.

This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.

Music credits:

Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty...
Artist: http://incompetech.com/

Image Credit:

Image credits:

Burning wood (no credit needed as defined by creator. Image from wikimedia images)