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Cells!

Cells!. BR 10-31-13: Draw in composition notebook, then describe in two complete sentences what this looks like to you. Today’s Agenda: BR and pass back papers Intro to cells HW: Vocabulary Sheet – Due Monday. Today’s Objective:

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Cells!

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  1. Cells!

  2. BR 10-31-13: Draw in composition notebook, then describe in two complete sentences what this looks like to you. Today’s Agenda: BR and pass back papers Intro to cells HW: Vocabulary Sheet – Due Monday Today’s Objective: Differentiate between the findings of Hooke and Leeuwenhoek

  3. Robert Hooke in 1663 Hooke used the term “cells” (small rooms) because he thought they looked like the small rooms that monks lived in. Like jail cells – small rooms on top of each other

  4. Where does cork even come from?? http://www.youtube.com/watch?v=ztr-RP0XYd8

  5. Anton van Leeuwenhoek Read page 53 in life book, what did he see? • Lake Water • Scraping from teeth and gums • Water from rain gutters What did he call them? Why? Animalcules – They looked like tiny little animals moving around the slide

  6. What did the microscope have to do with all of this??? What did both scienctists discover?? Cells! If they are both cells, why do they look different?? There are many types of cells!

  7. Exit Slip: (on separate piece of paper) How did Robert Hooke and Anton Van Leeuwenhoek contribute to science?

  8. BR 11-1-13: Who came up with the name cell?? Today’s Agenda: BR Cell Theory Notes Work on vocab HW: Vocabulary Sheet – Due Monday Hint: • Today’s Objectives: • - Differentiate between the scientist of the cell theory • - Understand the cell theory • - Understand that structure is related to function

  9. Development of the Cell Theory (pg 54) 1. What Scientists who developed the cell theory: • Schwann • Schleiden • Virchow

  10. Cell Theory (pg 54) 2. What is the cell theory? • Widely accepted explanation of the relationship between cells and living things.

  11. Cell Theory States: • 1. All living things are composed of cells • 2. Cells are the basic unit of structure and function in living things • 3. All cells are produced from other cells

  12. 16. When does the theory hold true? Just 1 square inch of the human hand is more than 100,000 cells The human body is composed of 10 trillion cells!! • The cell theory holds true no matter how big or small a living thing is.

  13. Draw a timeline in your notes: Include: • Hooke • Leeuwenhoek • Schleiden • Schwann • Virchow Why do you think it took 200 years after cells were discovered for scientists to conclude that all living things are made of cells? • Fewer scientists and microscopes and therefore samples!

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