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What is the difference between a hazard and a risk? What is a risk assessment and control measures? What is the meaning of the hazard symbols? All this and more covered in this comprehensive lesson with questions and answers! This is a Year 12 A level lesson for Edexcel International Unit 1 – WCH11, but it can also be used for all UK exam boards. 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 your lessons by simply changing the questions and the answers each time.
Slide 2 - Lesson objectives (see thumbnail image)
Slide 3 – Think – Pair - Share question: What is the difference between a hazard and a risk?
Slide 4 – definition of hazard and risk
Slide 5 – hazard and risk example – knife being used for eating
Slide 6 – hazard and risk example – knives being used for juggling
Slide 7 – hazard and risk example – beaker of water
Slide 8 – hazard and risk example – beaker of water being heated
Slides 9 – 10: hazards and risk of hydrochloric acid, and control measures to reduce the risk
Slide 11 - learning pit-stop to check students’ learning. A series of questions of increasing difficulty, with the stretch and challenge (S+C) being the hardest. Answers animate onto the screen when you click
Slides 12 – 16: GHS hazard labels with their meanings and a matching activity.
Slides 17 – 18: introduction to risk assessments and control measures in the science lab. There is a case study of a professional who is responsible for health and safety in a science lab, and a breakdown of the protocol she follows to maintain high standards of safety at work
Slides 19 – 20: Examples of control measures that can be put in place in an organic chemistry lab
Slides 21 – 22: Harrowing case study of a science technician who died following accidental exposure to hydrofluoric acid in a lab. Word document with vocabulary builder is included with the resource
Slide 23 – Embedded video about hydrofluoric acid hazard, risk and control measures
Slides 24 – 30: Exam questions with mark scheme answers (included with the purchase of this resource)

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