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November 8 and 9, 2007

November 8 and 9, 2007. Warm-up Do you know the cell part? Take out a sheet of paper. You have 5 minutes to get as many right as you can. Lesson Title: Plant and Animal Cells. E.Q.: How can you distinguish between plant and animal cells?

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November 8 and 9, 2007

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  1. November 8 and 9, 2007 Warm-up Do you know the cell part? Take out a sheet of paper. You have 5 minutes to get as many right as you can.

  2. Lesson Title: Plant and Animal Cells • E.Q.: How can you distinguish between plant and animal cells? • Obj.: Compare and contrast plant and animal cells; Create a wet-mount slide; Properly stain a specimen.

  3. Agenda • Warm-up-Cell Analogy (Bells 4 and 6) • “Like a Turtle”-Review cell parts and functions • Quiz-Cell history and cell parts/functions • Quiz-Weekly notebook quiz • Pre-lab discussion and questions (p. 28 in IT) • Lab-Comparing plant and animal cells (p. 28 in IT) • Homework-p. 181, 1-5 (p. 25 in interactive notebook)

  4. Intro to Cell Vocabulary Fancy Names For Simple Things Visit www.worldofteaching.com for more free powerpoints

  5. Cells • Cells are the basic unit of all living things…if it is alive it has cells

  6. Two “Classes” of Cells • There are 2 classes of cells. There are only two differences between Plant & Animal cells…try to spot them by the end of the show Plant cells Animal Cells

  7. Cell Differentiation • There are only 2 classes of cells (plant/animal), but there are many kinds of cells in each class. Each kind of cell has a DIFFERENT job to do…it specializes. I am a heart cell! I’m a Prison Cell!  I am a skin cell

  8. When you hear the new vocabulary…just think of a Turtle

  9. Cell Membrane • The cell membrane holds the cell together and allows nutrients in the cell • It’s just like a turtle’s skin • The cell membrane is on the edge of a cell

  10. Cytoplasm • Cytoplasm is the watery gel (Jello!) inside a cell….it’s goop! It holds the ORGANelles • Cytoplasm is like the turtles blood and other liquids

  11. Mitochondria • Mitochondria is an ORGANelle that releases energy from food • Mitochondria is like a turtle’s stomach

  12. Nucleus • The nucleus controls the cell • The nucleus is like the turtle’s brain

  13. Chromosomes • Chromosomes are inside the nucleus and are made of genes (DNA) • Genes decide the cells traits and activities (heart cell, eye cell (color))

  14. Nuclear Membrane • The nuclear membrane allows substances to pass in and out of the nucleus • It surrounds the nucleus (the brain) like the turtle’s skull…protects it

  15. Vacuoles • Vacuoles are spaces in the cytoplasm (gel) where food and chemicals are stored • It’s like “fat” on a turtle I am NOT fat…I’m just a little plump!!

  16. Cell Wall • Cell Walls are only in plant cells • They make the cell strong and rigid • They are like a turtle’s shell (but only plants have them…that’s why grass stands straight up!)

  17. Chloroplasts • Chloroplasts are only in plant cells • They contain chlorophyll, which helps make energy/food from sunlight • Chlorophyll is green in color…so any plant that is green has chloroplasts I’m green…do I have chloroplasts?

  18. What’s the Difference? • So what are two things that Plant cells have that animal cells don’t? ? Chloroplasts & Cell Walls

  19. What would happen if animals had Chloroplasts?

  20. Now, let’s review… • Cell Membrane Cell Wall Chloroplasts • Chromosomes Nucleus Nuclear Membrane • Mitochondria Cytoplasm Vacuoles • Plant/Animal Cell Differentiation Cells

  21. Congratulations • You now know all the vocabulary for cells

  22. 1. P. 20-Give the answer to #13. 2. P. 22-Give the answer to #9 3. P. 23 “which causes regions near bodies of water_________ 4. P. 24-Give the answer to #4 5. P. 26 Give the answer to #1 under the microscope. Weekly notebook QuizDirections: Using your notebook, give the answers to the following questions. You have 10 minutes.

  23. 1. Summarize the pre-lab discussion 2. How are plant and animal cells alike? How are they different? 3. What is the purpose of using methylene blue? 4. Summarize how to prepare a wet-mount slide. 5. Summarize proper staining techniques. Lab-Comparing plant and animal cellsPre-lab Questions (use p. 1071 in text)

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