science hurumanu

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


Our R9 Class Treaty

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Safety in a laboratory.

teacher   shoes   practical  teacher laboratory   ask  sniff teacher  breakages 

1.   Follow the instructions given to you by the __________ .
2.   You must not enter the laboratory without your ________.
3.   Report all ____________ to your teacher.
4.   You must never eat or drink in a ____________ .
5.   _______ must be worn at all times.
6.   If you spill something you should tell your _________ immediately.
7.  You should wash your hands after every _______ activity.
8. You should know what you are doing. If in doubt ______ your teacher.
9. Never taste or ______ 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 - 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.