As you might expect, the heater will heat water only on sunny days.

VOA: special.2009.04.20

He explains that as the water freezes, it produces heat,and the ice forms a protective blanket around the tree.

VOA: special.2010.01.12

Next,place the cans again in water and heat the water to one hundred degrees Celsius.

VOA: special.2010.07.19

Doctors say actions other than drinking water can protect against the health dangers of heat.

VOA: special.2010.07.27

This metal surface, placed in contact with the water, will heat the water.

VOA: special.2009.04.20

A person suffering from heat exhaustion loses too much water through perspiration.

VOA: special.2010.07.27

It can heat seventy liters of water to sixty degrees Celsius.

VOA: special.2009.04.20

The men greatly reduced their use of water, food and heat.

VOA: special.2009.07.22

Water carries body heat to the surface of the skin.

VOA: special.2010.07.27