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Chemistry of universal indicator

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A unit is the frequently arbitrary designation we have given to something to convey a definite magnitude of a physical quantity and every quantity can be expressed in terms of the seven base units that are contained in the international system of units. Hank thinks this is a thrilling subject, and while you may not agree, it is a subject that is...

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Marine Oil Spill Lab: Great inquiry lab to get kids thinking about the environment, problem-solving, and how much more difficult it would be to clean up a real oil spill. Website has as detailed teacher instructions as well as a downloadable copy of the lab.

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