Our R9 Class Treaty
Safety in a laboratory.
teacher shoes practical teacher laboratory ask sniff teacher breakages
teacher shoes practical teacher laboratory ask sniff teacher breakages
- Follow the instructions given to you by the __________ .
- You must not enter the laboratory without your ________.
- Report all ____________ to your teacher.
- You must never eat or drink in a ____________ .
- _______ must be worn at all times.
- If you spill something you should tell your _________ immediately.
- You should wash your hands after every _______ activity.
- You should know what you are doing. If in doubt ______ your teacher.
- Never taste or ______ 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?
- Beginning and End of class: Lining up, Entry, Seating,
- Equipment tray: equipment list and details.
- Test tube - used for most experiments using liquids. They have a bung that goes in the top.
- Conical Flask - 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 - 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 - For holding very small amounts of chemical powders.
- Funnel
- 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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