Two groups of five students are conducting an experiment in the science laboratory. One student, eager to finish the experiment quickly, decides to skip a few safety procedures. They rush through the steps, not paying attention to the instructions or the safety guidelines.
Task:
- Discuss the potential consequences of the student's unsafe behavior.
- How could this behavior impact the student's own safety and the safety of others in the lab?
- What are the benefits of observing certain rules and regulations in the laboratory?
- What advise would you give to such students before they enter in the laboratory next time you are around.
ITEM 2
A high school student wants to conduct a simple experiment at home to investigate the effect of different cleaning agents on the removal of stains from fabrics.
Task:
- What common household items could be used as laboratory apparatus for this experiment?
- What safety precautions should the student take while conducting this experiment at home?
ITEM 3
Asianzu Gordon, a retired aviation personel wishes to start a metal processing industry using his pension and would love to just employ his village relatives. However , the relatives lacks knowledge of flames since they didn’t go far with studies. They have heard that the use of flames is learnt in secondary schools and have approached you for guidance.
Task:
As a learner of chemistry, guide them through;
- The category of flames
- The characteristics of the flames.
- Advise them on the applications of flames in our daily life
- Evaluate the different categories of flames.
ITEM 4
One of the welders in Odramacaku town in Arua city heard that flames are applied in welding. One day, he was trying to mend a broken bicycle but the iron did not melt and he couldn’t complete the welding. He was then left in fear and didn’t know where the problem was.
Task:
As a learner of chemistry,
- State the problem the welder made when choosing the type of flame to use for welding recommending the best with reasons
- Guide him through the characteristics of the flame recommended in a above.
- Advise him on other applications of the flame recommended.
ITEM 5
The chemistry department in your school wants water for preparing solutions in the Lab during practical time. They have been provided with water sample A. They are doubting whether the water is pure and safe for use in the lab. Pure water has a boiling point of 100⁰C.
Task:
Design an experiment you would use to help the chemistry department in your school ascertain whether the water sample A is pure or not
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