Learners of class VII
performed individual activity in which they investigated how depth affects
pressure in liquids. They have taken an empty water bottle and made three holes
on one side of the bottle. They filled the water and observed that the from the
bottom hole water is running with
maximum pressure. They also have done the investigation of how temperature of
water affects rate of diffusion. They had taken cold, hot and room temperature
water. They dropped ink in the glasses of water and noted time in which the ink
diffused in water.
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