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Balancing Chemical Equations - [ Teens/Mature Teens ] - Shockwave activity to help in balancing equations.

Balancing Chemical Equations - [ Teens/Mature Teens ] - Animation showing steps in adding coefficients.

Balancing Chemical Equations Tutorial - [ Teens/Mature Teens ] - Visual shockwave exercise in which you type in coefficients and check your answers.

Balancing Equations - [ Teens/Mature Teens ] - A text tutorial offering sample problems, steps, and strategies.

A Chemical Jigsaw Puzzle - [ Teens/Mature Teens ] - Collection of printable learning aids to help improve the understanding of combining powers (valences) in chemical reactions.