Hazard Symbols LO To be able to identify
Hazard Symbols LO: To be able to identify a range of hazard symbols and warning signs Starter – Look at the instructions, do you understand what some of them mean
Why are symbols important? • Bär inte på egen hand, alltid bära med två personer. • Placera inte på hårda ytor, sätta en matta under. • Om du inte förstår instruktionerna ringa Ikea hjälplinjen för rådgivning.
Why are symbols important? • Do not carry on your own, always carry using two people. • Do not place on hard surfaces, put a rug underneath. • If you do not understand the instructions, ring the Ikea helpline for advice.
Lesson Outcomes L 4: Identify hazard signs and symbols L 5: Describe their meaning L 6: Apply your knowledge about hazards to new chemicals
Lesson Outcomes L 4: Identify hazard signs and symbols L 5: Describe their meaning L 6: Explain why it is important that we use hazard symbols
Hazard Symbols Flammable • This symbol warns you that a chemical will catch fire easily.
Hazard Symbols Harmful • This symbol warns you that a chemical may harm your health if you do not use it properly.
Hazard Symbols Irritant • This symbol warns you that a chemical may give you a rash if you get it on you or make you choke if you breathe it in.
Hazard Symbols Corrosive • This symbol tells you that a chemical will attack your skin if you get it on you.
Hazard Symbols Electric shock • This symbol warns you that if you use equipment wrongly you may get a dangerous electric shock.
Hazard Symbols Toxic • This symbol means that a chemical is poisonous. Poisons can kill.
Hazard Symbols Explosive • This symbol warns you that a chemical could explode.
What is a hazard symbol? • Different symbols have different meanings • They are used for different reasons 5 min utes!! TASK 1: • Match the symbol to the meaning. • Match these to their descriptions
Lesson Outcomes L 4: Identify hazard signs and symbols L 5: Describe their meaning L 6: Explain why it is important that we use hazard symbols
TASK 2: • Using the information given to you, create a hazcard for your given chemical. • Think about; • Which symbol you would use? • How would you store it? • Where would you store it? • Why would you have to store it like that?
Use the information sheets to help you fill in a fact card for each chemical… Name of chemical: Sulphuric acid Hazard Name: Corrosive Hazard Symbol: Comment: Causes severe burns How can we control the risk? Use low concentrations. Use small volumes. Wear safety goggles. What should be done in an emergency? Rinse away with cold water.
Plenary! • In your book: – Write a paragraph explaining why this lesson was important – Explain why it is important that we have hazard symbols
Lesson Outcomes L 4: Identify hazard signs and symbols L 5: Describe their meaning L 6: Explain why it is important that we use hazard symbols
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