Tag: modeling
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Investigation: Model Enzyme Activity with Toothpicks
Use toothpicks to model enzymes. Explore substrate and enzyme concentrations by changing toothpick numbers. Model competitive inhibition by taping fingers.
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Modeling Independent Assortment & Dihybrid Crosses
Students examine how two traits are inherited, revealing that each allele has an equal chance of being passed on to the next generation, the principle of independent assortment.
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How Can DNA Replication Be Modeled?
Hands-on activity uses colored paperclips to model DNA double helix and show how semi-conservative replication takes place.
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Investigation: Modeling Diffusion
This inquiry investigation requires students to cut agar into 3 shapes (small, medium, large) and compare the rates of diffusion.
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Teaching Evolution Using Animal Models
Most evolution units start with a history of evolutionary thought, where scientists of the past, like Darwin, Linnaeus, Larmarke, and Wallace, are discussed with regard to their contributions to evolutionary theory. If you’re not careful, you can end up spending too much time on the history, talking about the Voyage of the Beagle and the…
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5 Creative Ways to Teach the Cell
Teaching the cell can be fun and engaging for students. Here are five creative ways to help students learn the parts of a cell.
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Observing Diffusion Using Iodine and Plastic Bags
Use simple materials to model diffusion. Place corn starch in a bag and then submerge into a solution of iodine.