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Lesson Plans

Investigating Cell Organelles

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Lesson Plan Information


Subject: Science
Category: Biology
Grade Level: Sixth - Eighth
Duration:


Description:

In this lesson on cells, students create a three-dimensional model and presentation on different types of cells

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Introduction In chapter two we are looking inside cells, the building blocks of life. Even though cells are the basic units, they are still organized and made of even smaller structures. Just as the body is made of organs, each having different shapes and functions, so the cells are made of organelles, which also have their own shape and function. The cell can be compared to a factory. Like a factory, it makes products that need to be packaged and delivered to places inside or outside the cell. It needs energy to make its products, and blueprints to work from. Our goal in this project will be to understand the specific functions of these organelles and how they work together within the cell. You will be working in groups of four or five. Each group will be assigned a cell. You will have until ___________________ to complete this project. The requirements follow. Requirements Oral Report Your group will prepare a 15 to 18 minute report on your cell. If you go over the time limit you will be penalized and/or cut off. In your report you should address the following points: * The structure of your cell (What does it look like?) * The organelles found within your cell * The functions of each organelle within the cell. This is the most important part. Explain thoroughly what the organelle does for the cell and how it fits in with the rest of the cell. This should take up the largest portion of time. * Use the overhead, the chalkboard, or the Smart Board to show your audience different visuals of materials from your report. An outline needs to be handed in to me when you give your report. * Each member of the group should be involved in the presentation. Physical Model Your group will build a model that you will use during your presentation to show your class what your cell and each organelle looks like. The model should be constructed of materials that may be compared to both the structure and function of the cell and organelle. For example the cell membrane should be very thin and flat. The mitochondria should be sausage-shaped and possibly contain sugar. * The model will be displayed in the room after your presentation. It should have some way to hang it from the ceiling. * The model should be three dimensional. * Include labels of the organelles and a short one or two word description of its function. * Creativity counts! Resources You will be given class time to find information from the encyclopedia and resource textbooks in our classroom library. I recommend that you start by rereading section 2-2 on cell structure and function in your textbook before searching for other resources. Once you have done some reading, brainstorm with your group members about how to depict your cell and its organelles. Make a list of materials. Divide the labor. Most of the members of your group will have to take several organelles to research further. Remember all members of your group need to participate in the oral presentation. 1. Your textbook has short descriptions of each organelle. There are several other textbooks you may use in the classroom as well. There are also photos and diagrams that can help you visualize cell organelles and their placement within the cell's cytoplasm. 2. Books from the public library. 3. Encyclopedias from the resource center. 4. Web resources listed on Mr. Ausemaw's Biology Page. This lesson is adapted from one created by Mr Ausemaw. A link to his page can be found on my schoolnotes.com. Most of these sites are bookmarked on our classroom computers.

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