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What are Ice Ages?

Answer

Ice ages are times in the Earth's history, and possibly the future, when the temperature of the surface and the atmosphere dropped dramatically. This causes extensive ice sheets in most sections of the world. Technically, we are currently in an ice age because of the ice sheets at Greenland and Antarctica.
Ask.com Answer for: what are ice ages
ice ages - Definition
(n.) The glacial epoch, esp. the Pleistocene Epoch
Source: Dictionary.com
Q&A Related to "What are Ice Ages?"
Scientists have some good evidence that the first Ice Age happened 2.3billion years ago. They believe that at six continents continents were frozen over with ice at that time. They
http://answers.ask.com/Science/Nature/when_was_the...
The last ice age was thought to have been about 20,000 years ago. In the last ice age, which was the peak of the Last Glacial Maximum, ice sheets covered a large part of North America
http://answers.ask.com/Science/Nature/when_was_the...
The prehistoric era commonly referred to as Ice Age. They made a movie titled Ice Age as well, and it is a great movie enjoyed by young children and young at heart.
http://answers.ask.com/Science/Nature/what_was_the...
Ice Ages are caused by the freezing temperatures over an extended period of time. This causes the ice sheet to slide together and cover large areas. Look here for more information
http://answers.ask.com/Science/Nature/what_causes_...
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