Tag: cell
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Mitosis in an Onion Cell
Graphic shows an image of the cells in an onion root tip in various stages of mitosis.
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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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Comparing Plant Cells
Students observe onion cells and elodea cells using the light microscope. Students compare structures found in each type of cell and create drawings.
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Observing Human Cheek Cells with a Microscope
In this lab, students use a toothpick to get a sample of cells from the insides of their cheek, stained with methylene blue.
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Why I’m Changing My Classroom Phone Policy
Last year, I decided to run a social experiment with my honors class. This was a small class of 18 students taking Advanced Placement Biology, with a mix of juniors and seniors. The experiment was to see if these digital natives could handle having an open policy on cell phones. I allowed them…
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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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Resources for Teaching and Modeling Mitosis
Teaching resources to help students understand the process of mitosis. Use models and internet simulations to illustrate the process.
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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.