a) Explain why the can of soft drink is warmer than it would be if it was inside the house.
The student decides to use the sun to cool down a can of drink on a hot day. He covers the can of drink with a pot and pours water over the pot. The water sinks into the pot and makes it wet. He keeps pouring water over it for a while. When he takes the can out it is cooler than before.

b)Explain why the can is cooler.

c)Explain why he has to keep pouring water over the pot.​