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Website · Chemistry

How can something that can’t be seen crush a 67,000 lb. oil tanker made of half-inch steel?

Lead author: Erin Cothran, Hudson High School, Hudson, MA, with contributions from Dan Damelin, The Concord Consortium.

Grade All Grades · Nov 3, 2026

Website · Chemistry

How can a chemical reaction with bleach be used to remove a stain from my shirt more quickly?

In this Investigation students explore the role of concentration and temperature in reaction rates.

Grade All Grades · Nov 3, 2026

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