An Elementary unit on Chemistry

Bonnie Glasgold

P.S. 101

Brooklyn, New York

What are we made of?  What is the Universe made of?  How are there so many different substances in the world if there are only a little more than 100 elements?  The answers to these questions are the basic building blocks of our Universe.  Curious?  Then take a journey through the world of elementary chemistry and learn what "MATTERS!"

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