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This Chain Reaction Between Hydrogen and Oxygen interactive also includes:
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 add energy to the system, which then shows products form and the conversion of potential energy to kinetic energy.
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Instructional Ideas
- Ask the class to observe the changes in energy throughout the reaction, then draw a conclusion regarding the overall flow of energy through a chemical system
- Link the content to collision theory by having learners compare the rate of this reaction to a reaction containing a smaller number of reactant molecules
Classroom Considerations
- Take a moment to point out single-bonded hydrogen molecules and double-bonded oxygen molecules to the class before they begin using the interactive
Pros
- Easy-to-read sidebars illustrate changes in kinetic, potential, and total energy throughout the reaction
- The interactive launches quickly and runs smoothly
Cons
- None