Aim: To learn about the expected behaviour in a science laboratory.
Our R9 Class Treaty
- Bags under your desk.
- No food or drinks.
- No running.
- Don't touch experiment.
- report any breakages or spills.
- Do not taste or sniff anything.
Safety in a laboratory.
teacher shoes practical teacher laboratory ask sniff teacher breakages
- Follow the instructions given to you by the teacher.
- You must not enter the laboratory without your teacher.
- Report all breakages to your teacher.
- You must never eat or drink in a laboratory.
- shoes must be worn at all times.
- If you spill something you should tell your teacher immediately.
- You should wash your hands after every practical activity.
- You should know what you are doing. If in doubt ask your teacher.
- Never taste or sniff chemicals.
In your group, discuss how the following scenarios could be dangerous.
- Not putting your bag under your desk.
- Running around in the laboratory.
- Not wearing shoes in a laboratory.
- Shaking a test tube with your thumb over its mouth?
How do we work in this laboratory?
- Test tube - This is used for experiments using liquids. They have a bung that can be placed in the top. Test tubes sit in a test tube rack.
- Conical Flask - This is used for experiments with liquid up to 150 ml. The flask has a rubber bung for the top and the glass is heatproof.
- Glass Stirring rod - This is a 20cm glass rod used to stir and mix any liquids together.
- Test tube tongs - These are used to hold a hot test tube after an experiment.
- Spatula - This is for holding very small amounts of chemical powders.
- Funnel - used to channel liquids into a smaller container.
- Measuring Cylinder - This is used to measure liquids for experiments. The liquids will be poured into a beaker or test tube once measured out.
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