Starter quiz
- Which of these is an example of common laboratory equipment?
- beaker ✓
- computer
- television
- cooker
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- Why is it important to wear eye protection in the lab?
- To protect eyes from harmful substances. ✓
- To see better.
- To avoid distractions.
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- What should a risk assessment identify?
- Any potential hazards. ✓
- The budget for the experiment.
- The number of students.
- Ways to reduce risk. ✓
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- What is a precaution in a laboratory setting?
- An action taken to prevent or reduce risk. ✓
- An optional step.
- A way to speed up the experiment.
- A method to increase the budget.
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- What is the purpose of hazard symbols?
- To identify the manufacturer.
- To provide safety information about chemical substances. ✓
- To measure chemical quantities.
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- Which substances should have hazard symbols?
- Only highly toxic substances.
- All chemical substances used in the lab.
- Substances that pose a risk of fire, explosion, or health hazard. ✓
- Substances that are commonly found in household products.
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Exit quiz
- Why is it important to use the correct lab equipment?
- To conduct experiments safely. ✓
- To save time.
- To avoid using expensive equipment in case it breaks.
- To obtain accurate results. ✓
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- How should a Bunsen burner be used safely?
- Hold it with bare hands.
- Keep hair and loose clothing away from the flame. ✓
- Use it to measure liquids.
- Place it on the edge of the workbench.
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- What is the purpose of a risk assessment?
- To calculate the cost of materials.
- To document the number of pupils.
- To identify potential hazards and outline precautions. ✓
- To plan the experiment's timeline
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- What should be included in a risk assessment?
- Budget, materials, and timeline.
- Hazards, risks, and precautions. ✓
- Pupil names and attendance.
- Equipment list and procedures.
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- Which symbol indicates a flammable substance?
- A flame ✓
- A skull and crossbones
- A test tube
- A gas cylinder
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What does the toxic symbol indicate?- Risk of death or serious injury if inhaled, swallowed, or absorbed by the skin. ✓
- Catches fire easily.
- Causes severe skin burns and eye damage.
- Causes allergic reactions.
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Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Hazard symbols provide vital safety information about chemical substances.
- Correct identification of hazard symbols is crucial for laboratory safety.
- Correctly choosing and using appropriate lab equipment is essential for conducting experiments safely and accurately.
- Risk assessments identify potential hazards & outline how to minimise risk; these can be general & specific precautions.
- Safety protocols, like wearing eye protection and ensuring good ventilation, are essential when working with hazards.
Common misconception
Pupils do not always appreciate that safety in the laboratory is a shared responsibility.
Ensure pupils understand the hazards related to both common chemicals and regularly used equipment.
Keywords
Apparatus - A piece of equipment that is designed for a particular use.
Hazard - A danger associated with a substance or piece of apparatus.
Risk assessment - The identification of both the hazards of doing a particular experiment and ways of reducing the risk of harm from those hazards.
Risk - The chance of a hazard causing harm.
Precaution - An action taken to prevent or reduce the risk of danger or harm.
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