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Enzyme Reaction Rates Using Toothpicks
Students pretend to be enzyme that breaks toothpicks in timed intervals. They complete calculations to determine how many toothpicks are broken per second to determine the rate of reaction of the enzyme.
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New Review Reactions and Rates
Atoms collide! Pupils collide atoms and molecules in an interactive simulation, showing energy changes. They can select single or multiple collisions, and they see the number of molecules and energy changes graphically throughout the...
9th - Higher Ed Science CCSS: Adaptable
Reaction Rates and Catalysts in Ethanol Production
Here is a five-day module in which high school chemists determine what other materials can serve as catalysts for producing ethanol. Another objective of the lessons is to introduce reaction rate and activation energy. Learners also use...
9th - 12th Science
If Molecules Were People...
By watching this droll and delightful animation, physical scientists consider what happens when molecules collide. In this film, however, parodic people bump into each other, exchanging limbs in the process, just as molecules might trade...
3 mins 7th - 12th Science CCSS: Adaptable