Our R9 Class Treaty

Aim: To learn about the expected behavior in a science laboratory.

Our R9 Class Treaty

1. Bags under our desk.   
2.  NO Food Or Drinks.
3.   No Running.
4.   DOnt Touch Experiments.
5.  Report any breakages or spills.
6.   Do not taste or sniff anything.

Safety in a laboratory.

teacher   shoes   practical  teacher laboratory   ask  sniff teacher  breakages 

1.   Follow the instructions given to you by the Teacher.
2.   You must not enter the laboratory without your Permission.
3.   Report all Brokenages or spills to your teacher.
4.   You must never eat or drink in a Laboratory.
5.  You must be worn at all times.
6.   If you spill something you should tell your _Teacher immediately.
7.  You should wash your hands after every practical activity.
8. You should know what you are doing. If in doubt ask your teacher.
9. Never taste or sniff chemicals.

In your group, discuss how the following scenarios could be dangerous.

1. Not putting your bag under your desk.
2. Running around in the laboratory.
3. Not wearing shoes in a laboratory.
4. Shaking a test tube with your thumb over its mouth?

How do we work in this laboratory?

1. Beginning and End of class: Lining up, Entry, Seating, 
2. Equipment tray: equipment list and details.

• 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.

Test Tube

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• 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.



Conical Flask
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• Glass Stirring rod - This is a 20cm glass rod used to stir and mix any liquids together.

Glass Stirring Rod
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• Test tube tongs - These are used to hold a hot test tube after an experiment.

Test Tube Tongs
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• Spatula - This is for holding very small amounts of chemical powders.

Spatula Science
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• Funnel - used to channel liquids into a smaller container.

Funnel Science
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• Measuring Cylinder - This is used to measure liquids for experiments. The liquids will be poured into a beaker or test tube once measured out.

Measuring Cylinder
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