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Transcript
Name: ________________________________ Date: ___________________ Plant Cell Models Objective: - Describe the role of cells as a basic unit of life. - Distinguish between plant and animal cells. Cells are the basic unit of life and their structures play a vital role in how each cell functions. The structures inside a cell are quite unique as they each perform a different role to make the cell work. These individual structures inside the cell are called an organelle. Plants and animals are different at the cellular level in a few ways, but they do have a lot of similarities. In this activity you will build and illustrate a model plant cell, explain the function of each organelle, and distinguish between plant and animal cells. Procedure: 1. Obtain the materials for the activity listed below: a. 1 – zip lock bag of icing = glue b. 2 – pop tarts = base of the cell c. 1 – Oreo cookie = nucleus d. 3 – coke bottles = mitochondria e. 2 – pieces of red liquorice = cell membrane f. 2 – pieces of green liquorice = cell wall g. 1 – brazil nut = vacuole h. Leave empty spaces on the pop tart = cytoplasm i. 3 – green jelly beans = chloroplasts 2. Assemble a cell model that uses the above components to represent each organelle. 3. Use the blank sheet of paper to illustrate your cell model. It should include i. A diagram of the model cell ii. Labels for each part of your cell iii. A title, your name, and the date 4. In the table below you will write the function of each organelle. - Use page 108 of your text to help you. Table 1: Structure and function of cell organelles. Structure Nucleus Mitochondria Cell membrane Vacuoles Cytoplasm Cell Wall Chloroplasts Function 5. Answer the following questions: a) Look at the cell models on pg. 109 of your textbook. Name 3 differences between organelles when comparing the plant and animal cell. i) _____________________________________________________________________ _____________________________________________________________________ ii) _____________________________________________________________________ _____________________________________________________________________ iii) _____________________________________________________________________ _____________________________________________________________________ b) Provide a reason for the differences that you identified in part ‘5.a’ i) _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ ii) _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ iii) _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ The project will be evaluated according to the following rubric Item 4 (Excellent) 3 (Good) 2 (Fair) 1 (Poor) Model organelles Model has all cell organelles Model has all organelles except 1 Model has all organelles except 2 Model is missing more than 2 cell organelles Model labels Method of identifying organelles is accurate, presentable, and easily understood. Excellent labels. Method of identifying organelles is mostly accurate, presentable, and understood. Good labels Method of identifying organelles is inaccurate or is presented poorly No labels or label ineffectively identifies organelles Model detail Cell organelles and structures exhibit excellent detail Cell organelles and structures exhibit a high degree of detail Cell organelles and structures have fair detail Cell organelles and structures exhibit little detail Scientific Diagram Diagram includes all of the structures and follows all of the rules of scientific diagramming Diagram is either missing 1 cell organelle or does not follow 1 of the rules of scientific diagramming Diagram is either missing 2 cell organelles or does not follow 2 of the rules of scientific diagramming Diagram is missing >2 cell organelles or does not follow >2 rules of scientific diagramming Use of class time Class time was used very effectively for planning and construction Class time was spent mostly on planning or construction only Class time was spent entirely on planning or construction only Class time was used ineffectively Written question #1 /3 Written question #2 /3 Project total = /30