3.
Use your bicycle to go to the market near your home. Come back to your
home by using a different path. Measure and note down the time in seconds and
distance in meters, from home to market, and from market to home. Calculate your
speed for approach and return. (Note: Take an approximate value of distance, if
exact measurement is not possible)
(5 marks)
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Answer:
Take a bowl of ice, put it out in direct sunshine and note the melting time of
ice. Now put the same water on a stove and note the boiling time of water. After
boiling of water do not turn off the stove and note the time till the whole water
disappears. What happened with the water? Where is it gone? Also draw a diagram
of the process.
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