Answer
• A cup of a steaming hot liquid
• In hot air balloon
• A boiling pot of water
Explanation
In a cup that contains hot liquid such as hot water or hot tea, the hot air rises through convection, thus creating the steam
In a hot air balloon, heated air expands in volume and cause a reduced weight making the balloon to rise through convection.
In a boiling pot of water, the water moves in convectional currents throughout the liquid in the pot .