Because, there is still molecular movement!
-Tamia Donald. (7th Grade)
A pot of boiling water contains more heat energy than an iceberg because the water in the pot is at a higher temperature than the ice in the iceberg. Heat energy is directly related to temperature, so the higher the temperature, the more heat energy an object contains.
Actually, igloos are ice structures and ice is an insulator. So, any heat(body heat or a small fire) from inside the igloo will be reflected back from the inner ice wall because ice is an insulator. The heat (Especially from a fire) does melt the inner wall of ice a little but the temperature outside the igloo is so cold that it refreezes the ice back. So, this insulation property of ice help the eskimos keep warm. You can check out the link for a more detailed explanation along with illustrations.
You have to prevent the ice from absorbing heat.
Because that area of the Earth is basically facing away from the Sun so it doesn't get a lot of light. Little light means little heat, and the chance for the ice to form and to stay around.
It's all a matter of mass. An ice sculpture contains 1 british thermal unit for each pound of ice and every 2.14 degrees Fahrenheit above absolute zero. a burning match gives off approximately 19000 btu per pound in heat energy as it burns. Thus the match, assuming it weighs 14 grains, will give off approximately 38 btus of heat energy until it is fully consumed; whereas a 100lb ice sculpture at 30 degrees fahrenheit contains in total heat energy approximately 20,000 btus more or less. Temperature wise the match is hotter than the ice, but it would melt only a fraction of 1 lb of ice if all the energy were absorbed by the ice. (1 lb of ice requires 144 btus to melt at 32F).
Heat is the flow of thermal energy from one object to another. Heat always moves from warm objects to cool objects, not cool objects to warm objects.
An ice cube is solid, and contains little gas although there could be air bubbles inside the ice.
Sand abosorbs light better then ice. So the heat melts the ice.
Volume is increased so density is decreased.
Heat energy transfers from your hand to the ice. This is because heat always passes from the cooler object to the hotter object. The ice gains heat energy, so it heats up.
Quick and dirty answer: Because the liquid that is evaporating must absorb heat in order to do so. It is much like melting ice. The ice melts because is absorbs heat. If there is no heat for it to absorb, it remains ice.
In chemistry, there is no such thing as "cold", but is renamed "absence of heat." So yes, it is correct to say ice freezes because of a lack of heat.