1. Starting at the End…

2. Cell Theory All organisms are made of cells
Cells are produced by cells
The cell is the most basic unit of life

3. What is a Theory? How is it different from a Law?
Other PPT

4. FYI
It took 174 years for the cell theory to be accepted because scientists had to look at many specimens before they could say that all living things are made of cells.

5. Who Am I? Hans and Zacharias Janssen Robert Hooke
*Divide paper into 6 sections. In each section, list a person, their contribution to the study of cells and the date associated with this contribution.
Hans and Zacharias Janssen
Robert Hooke
Anton van Leeuwenhoek
Matthias Schleiden
Theodor Schwann
Rudolph Virchow

6. The Bigger Picture
There is more to the story of the Cell Theory than a text book will let on…
Ted-Ed: The Whacky History of the Cell Theory

7. Extended Timeline
You are going to create a timeline on construction paper that includes:
Title – “Cell Theory”
All 6 people
A caption for each (contribution)
Year of contribution
A picture for each person that represents them or their contribution to the cell theory
COLOR, neatness and creativity
*Due Thursday!!! (22 points)

8. Rubric Cell Theory Timeline Name: ______________________
Title (1 point) __________
6 people w/correct year (6 points) ___
6 accurate captions (6 points) ________
6 related pictures (6 points) _________
Color/Neatness (3 points) ____
Total (out of 22) ____________

9. Question:
The cell theory was first proposed in Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of new scientific knowledge?
All living things are made of cells
All cells come from other preexisting cells
Cells form through spontaneous generation
Cells are the basic structural and functional unit of life *