Our R9 Class Treaty
- bags under your desks
- no food or drinks
- no running
- don't touch experiments
- report ant breaks 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.
How do we work in this laboratory?
- Beginning and End of class: Lining up, Entry, Seating,
- Equipment tray: equipment list and details.
- Test tube - This is used for experiments using liquids. They have a bung that can be placed at 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
beaker
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