Question

Take two flexible straws and two small balloon's. Tie the balloons tightly at one end of each straw with the help of a rubber band.join the two straws with the help of a cellotape.blow air into the straws ...observation and conclusion

Answer 1

Explanation:

to make a periscope, how to make a rainbow, how straws work, how water ... over the stove, ask an older friend or adult to help you with those few .... You will need two sink plungers for this experiment.