

Determining orders of reaction using concentration-time graphs. Explanation of how to calculate the half-life of a reaction and using the continuous method for determining rate equation and thus order with respect to a reactant. This is a Year 13 A level lesson for Edexcel and Edexcel International. All the slides in this lesson are fully animated and include answers to every mini plenary question and exam question. The breakdown of the slides (which are best opened on Microsoft PowerPoint) is as follows:
Slide 1 - Title and 5-minute starter. The starter is a grid of four questions entitled ‘last week, last lesson, today’s learning and future learning’. Use this generic slide for all of your lessons by simply changing the questions and the answers each time.
Slide 2 - Lesson objectives (see thumbnail image)
Slide 3 – explanation of continuous method for determining rate equation
Slide 4 – concentration-time graph of a first order reactant, showing clearly the constant half-life
Slide 5 – definition of half-life presented to students
Slide 6 – concentration-time graphs for zero order, first order and second order
Slides 7 – 8: Printable format of the concentration-time graphs
Slide 9 – Mini plenary (learning pit-stop). Four questions of increasing difficulty to check students’ learning so far. The little angels should answer in their exercise books. Answers animate onto the board when you are ready to reveal.
Slides 10 – 11: ALT (Applied Learning Time) – a series of questions to check for learning. Answers animate onto the screen when you are ready to review students’ responses
Slides 12 – 13: Printable format of ALT
Slide 14 – ALT answers
Check out my YouTube channel for more lesson previews!
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