Place a candle in the beaker and light it. Light an incense stick.
- which way does the smoke flow when the incense stick is kept near the edge of the mouth?
- which way does the smoke flow when the incense stick is kept a little above the candle?
- which way does the smoke flow when the incense stick is kept in other regions?
Dear student, this activity is meant for you to perform and learn the steps of performance of experiments in real life. This involves a series of steps such as analysing the problem, making a hypothesis, experimentation, observation, conclusion and finally interpretation. These skills are the most used skills by professionals in every field - be it cooking, sports, research, education, engineering etc. and will be honed if you perform these kind of experiments. So, it is urged that you perform the activity on your own.