Hurumanu science introduction

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

Our R9 Class Treaty

1. Bags under desks   
2.    No food or drink
3.   No running
4.   Don't touch experiments
5.  Report any breakages or spills
6.   Don't taste any 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 ___teacher_____.
3.   Report all ________incidents-breakages and spills____ to your teacher.
4.   You must never eat or drink in a _____science lab_______ .
5.   __Shoes_____ 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.

•  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.

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

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

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

 Beakers used for measuring

• 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 heat proof.