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Transcript
Organisms and Environments Lesson Plan Building a Cell Collect-a-Cell! Summary: Students will view a PowerPoint on parts of cells and their functions. Students will make models of prokaryotic and eukaryotic cells. Subject: Science: TEKS 6.12 A and B- Organisms and environments. o Understand that all organisms are composed of one or more cells o Recognize that the presence of a nucleus determines whether a cell is prokaryotic or eukaryotic. 7.12 - Organisms and environments. The student knows that living systems at all levels of organization demonstrate the complementary nature of structure and function. The student is expected to: o recognize levels of organization in plants and animals, including cells, tissues, organs, organ systems, and organisms; o differentiate between structure and function in plant and animal cell organelles, including cell membrane, cell wall, nucleus, cytoplasm, mitochondrion, chloroplast, and vacuole; o recognize that according to cell theory all organisms are composed of cells and cells carry on similar functions such as extracting energy from food to sustain life. Time Required: 1-2 class periods Activity Team/Group Size: groups of 3-4 Materials: PowerPoint presentation Building a Cell Student Sheet For Building a Cell Activity Per Group: o 2 Plastic bags—cell membranes o Jell-o—cytoplasm o Spaghetti—DNA Organisms and Environments o o o Collect-A-Cell Cheerios—ribosomes Rubber bands—flagella Smaller plastic bag- nuclear membrane for eukaryotic cell Learning Objectives: The student will be able to explain the difference between prokaryotic and eukaryotic cells. Lesson Introduction / Motivation: Ask students what they know about cells. Let them list off a few things. Then ask students if they knew that each part of the cell has a specific job. Explain to the students that it each part of the cell is essential, kind of like a factory and the way that it works. Lesson Plan: Show the PowerPoint presentation. Make sure students take notes. Complete the Building a Cell Activity. Lesson Closure: Discuss answers to questions on the Building a Cell Activity. The answer to number 5 may be difficult. The correct answer is: During cell division when the eukaryotic cell has no nuclear membrane (nuclear membrane dissolved temperately to allow chromosomal material to divide). Assessment: The Building a Cell Activity Sheet may be traditionally graded. Authors: Undergraduate Fellow Name: Jillian Van Zandt Please email us your comments on this lesson: E-mail to [email protected] Please include the title of the lesson, whether you are a teacher, resident scientist or college faculty and what grade you used it for. © Partnership for Environmental Education and Rural Health at College of Veterinary Medicine & Biomedical Sciences, Texas A&M University Funding support from the National Center for Research Resources, National Institutes of Health