Tag: cells
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Investigation: Bananas, Starch, and Plastids
Explore the differences between ripe and green bananas in the activity. Green banana cells will have large dark starch granules when stained with iodine.
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Reinforcement: Cell
This is a practice worksheet for students who are learning structures found in the cell. A list of terms can be matched with descriptions and definitions. The same terms can be used to label a diagram of an animal cell. I use reinforcement worksheets for review or remediation. I will give students 10 minutes to…
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Cells Alive Worksheet
This worksheet follows diagrams and activities at CellsAlive.com which focuses on the size of cells compared to other objects, such as viruses and pollen. Students view interactive plant, animal, and bacteria cells to learn about the different structures associated with each.
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Investigation: Exploring Cells
While biologists might find the history of the cell theory fascinating, I notice that many of my students seem to tune-out when you bring up the history of scientific discoveries. In order to save time and improve engagement, I created this lab to include a short history of the cell theory as students explore prepared…
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Using Anchoring Phenomenon with Lessons
Start lessons on osmosis with an activity and anchoring phenomenon. View cells exposed to salt and observe how they change!
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Concept Map on Blood
Students studying blood and the lymphatic students can get overwhelmed with the terminology used to describe blood and how blood is categorized. This project is designed to help students organize these difficult terms by creating a large concept map which groups related ideas together and connects them to other ideas – a concept map! …
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Investigation: Comparing Plant and Animal Cells
This simple investigation asks students to view cells under the microscope and compare differences between plant and animal cells. Students are instructed in the procedure for removing the epithelial cells of an onion and staining with iodine. These cells are fairly easy to see and most beginning students will have no trouble locating the…
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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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How to View Cheek Cells with a Microscope
Simple activity for observing cells. Use methylene blue and toothpicks to gently scrape cells from the inside of a cheek and view under a microscope.