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Comets

QuestionAnswer
The discovery of snowballs from outer space is important because it helps explain where some of our _______ comes from. water
The dirty snowballs were discovered only recently because new equipment was needed to ________them. spot
This discovery shows that new _______ can help us. inventions
The discovery is important to scientists because it shows that new ________ can still be made. discoveries
Since these little comets break up at heights of 600 to 15,000 miles above the Earth, they are no ______ to people on the ground. danger
When the sun's rays hit the icy rain, it becomes a large ______. cloud
In 1996 the National Aeronatics and Space Administration launched a _________. spacecraft
Snowballs fell apart into tiny ______. pieces
Created by: cjbmorrison
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