Question

Describe an experiment to show convection current in water

Answer 1

Answer:

When you put flask on flame, then the water at the bottom of the flask starts to heat. ... These are called convection currents in water. Your paper bits also starts to move up and down with these convection currents. This movement of paper bits continues till the entire water in the flask reached at same temperature

Answer 2

Explanation:

Drop a large potassium permanganate crystal in a beaker containing a little water . The crystal starts dissolving in water and colouring it. Slowly pour more water into the beaker without disturbing the crystal. Heat the water using a very small flame just below the crystal.

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