Energy from the water is transferred to the washers. When hot washers are placed in room-temperature water, the temperature of the washers decreases and the temperature of the water increases. Energy ...

In the hot (yellow) water, the water molecules are slightly further apart than in the cold (blue) water. The hot water is less dense and floats on the cold water. When the cold water is placed on top, ...

A small amount of water is added to an aluminum soda can and brought to boiling on a hot plate or with a Bunsen burner. The water gas molecules will occupy all the space inside the can since the air ...