Students examine atomic structure and the octet rule.
By Dr. Miriam Douglass, Dr. Martin McClinton
Learners view several movie clips that demonstrate the use of an indicator to follow the neutralization reaction that occurs when an acid and a base are mixed. Students test their knowledge in a series of questions. Immediate feedback is given.
Changes in Our World: Chemical and Physical (Screencast)
By Deb Simonson
In this screencast, learners examine the kinds of physical and chemical changes that occur in substances.
By Jill Larson
In this interactive lesson, students examine the quantitative relationship between chemicals in a balanced mathematical equation.
In this interactive object, the learner practices identifying charges on ions.
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