Why is there so much frozen water at Earth's poles? Because water is a polar molecule! Young scientists observe polar molecules moving in a mixture of oil and water. They see the changes in potential energy in the hydrophilic and...

Looking for a simple way to teach conservation of energy in chemical reactions? Pupils can observe energy changes as water forms during a chain reaction between oxygen and hydrogen using an interactive. The resource instructs users to...

When molecules of hydrogen and oxygen are combined, how does water form? Science scholars observe changes in kinetic and potential energy during a chemical reaction in an interactive. The resource features easy controls that allow users...

What happens to substances when they dissolve in water? Young scientists investigate the dissolving process with a colorful interactive. The resource illustrates changes in potential energy as solute particles interact with water...

We can see the result of electricity  but not the process itself. The simulation compares electric circuits to a water tower and water wheel cycle. Young scientists adjust the height of the tower, the amount of resistance, and if...

Micelles consist of an aggregate of molecules in a colloidal solution. The simulation presents two different ways the molecules assemble into micelles based on the polarity of the solution in which they are placed. Scholars can set the...

Water is the only molecule on Earth that can naturally exist in all three states of matter. The interactive simulation shows different molecules changing states of matter with the addition or removal of heat. Learners then see how...

In this clean coal worksheet, students click on the links to learn more about clean coal technology and answer short answer questions about it. Students complete 12 questions total.

Mix polar and nonpolar molecules together and observe changes in potential energy.

Observe how molecules with hydrophilic and hydrophobic regions move in a mixture of oil and water, and pay attention to changes in potential energy over time. Move and rotate the molecules to see how they interact with their surrounding...

Impact on potential energy when a substance dissolves in water. Add water to a substance and observe the impact on potential energy as the substance dissolves. Observe the interactions between molecules as the substance dissolves over...