Dr. Miriam Douglass
Dr. Martin McClinton
Learners examine how melting, vaporization, and sublimation require energy input while freezing and condensation release energy.
In this animated object, learners view hydrogen and hydroxide ions in a solution. A brief quiz on the basic principles of the term pH completes the activity.
In this interactive object, students examine a type of chemical bond known as the "hydrogen bond."
Phase Change 306
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