Science 101: What Is Gravity?by: George Nelson

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We all know lots of sayings about gravity. "What goes up must come down." "You fail to understand the gravity of the situation." Gravity is the name we give to the phenomenon that any two masses, like you and the earth, that attract each other. This brief introduction to gravity will help elementary educators teach the concept with confidence.

  • Elementary
  • Middle
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Reviews (2)
  • on Wed Sep 12, 2012 9:21 AM

This is an excellent yet simple look at gravity. It explains it in a concrete yet humorous manner by a former astronaut.

Betty Paulsell  (Kansas City, MO)
Betty Paulsell (Kansas City, MO)

  • on Wed Jul 06, 2011 12:15 PM

Everyone knows about gravity. However, not everyone knows why it occurs and that it really has to do with the force of attraction. This article spells it all out but the best part about the article is the explanation about the truth about zero gravity. The author explains it all and ends the article with a comment about zero-g “and it’s delightful. You should all try it sometime!” Probably our younger learners will have this opportunity.

Adah  (San Antonio, TX)
Adah (San Antonio, TX)

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