Question

2 Aim: To observe convection current during heating of water​

Answer 1

Explanation:

Convection currents form because a heated fluid expands, becoming less dense. ... As it rises, it pulls cooler fluid down to replace it. This fluid in turn is heated, rises and pulls down more cool fluid.

Answer 2

Answer:

when you put flask on flame then the water at the bottom of the flask starts to heat hot water is always lighter than the cold water

Explanation:

hence.the water starts to flow upward in the flask the cold water of the upper surface starts to move down.

these are called convection of current