lab Intro

Hurumanu - Science Laboratory introduction

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

Our R9 Class Treaty

1.    bags under your desk 
2.    no food and drink
3.   no running
4.   don't touch experiments
5.  report any breakage 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 shoes.
3.   Report all accidents to your teacher.
4.   You must never eat or drink in a 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 activity.
8. You should know what you are doing. If in doubt ask your teacher.
9. Never taste or smell chemicals.

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

1. Not putting your bag under your desk.  someone can trip
2. Running around in the laboratory. someone can trip
3. Not wearing shoes in a laboratory. you can stub your tow
4. Shaking a test tube with your thumb over its mouth? chemicals could harm your skin

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.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 out.