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This exciting ohhh ahhh experiment uses a ziplock bag and
chemicals to create a distinctly more neato reaction that students
can hold in their hand. Students can observe several indicators that
show a chemical reaction is taking place. They see a color change, a
heat increase (exothermic reaction), a precipitate forms, and bubbles
(a sign that a gas is being produced) and smell ewwww!
This experiment comes from a group of
experiments developed by The Lawrence Hall of Science at Berkeley and
written by Jacqueline Barber.
"GEMS is a leading resource for innovative science and mathematics education. Developed at the Lawrence Hall of Science, the public science education center at the University of California at Berkeley, and tested in thousands of classrooms nationwide, over 70 GEMS teacher's guides and handbooks offer a wide range of supplementary learning experiences."
http://www.lhs.berkeley.edu/GEMS/GEMS.html
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This is the book the experiment comes from. |
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