|How to Use ,OR, to Find the meanings of Words! |
What Made the Ice Ages Happen?
There are many
ideas, about what
made the Ice Ages happen. Scientists think that the whole
Earth's climate, or weather, became about
10 degrees cooler for many, many years. Winters became much
longer. Summers became much shorter. Winter snows didn't melt
and just kept piling up. After a time,
glaciers, or slowly moving rivers of ice, formed over many parts of the Earth. Some of these
glaciers were 2 miles high! There are still glaciers today.
The picture above this paragraph shows a man standing on a
Directions: Choose the correct answers
that tell what the words in red mean. Use the blue context clues to help you!