Dr. Martin McClinton
Students read an explanation of chemical formulas in this animated activity. A quiz completes the object.
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Learners examine phase diagrams that show the phases of solid, liquid, and gas as well as the triple point and critical point.
Calculating Gas Density from Standard Molar Volume
By Dr. Miriam Douglass
Learners calculate gas density from the standard molar volume and observe how the density increases with the increasing molecular weight of the gas.
By Jill Larson
In this animated and interactive object, learners follow two rules to write unit conversion fractions.
In this interactive lesson, students examine the quantitative relationship between chemicals in a balanced mathematical equation.
Methods of Producing Electricity
By Terry Bartelt
In this learning activity you'll review the six different ways in which electricity is produced: chemical, friction, heat, light, magnetism, and pressure.
The Peptide Bond
By Eileen Bouchard
In this animated object, learners examine the properties of the peptide bond and how the bond relates to the structure of hair.
Changes in Our World: Chemical and Physical
By Laurie Jarvis, Deb Simonson
In this animated object, learners examine the kinds of physical and chemical changes that occur in substances. They practice identifying examples of each.
Changes in Our World: Chemical and Physical (Video)
By Deb Simonson
In this screencast, learners examine the kinds of physical and chemical changes that occur in substances.
Element Symbol Practice
Element Symbols 1-20
Science Lab Equipment - Part 1
Test your recognition of science lab equipment
What is the name of the ion PO5?
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