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Discovering Cells

Discovering Cells. Robert Hooke 1665. Robert Hooke is the first person to publish a scientific study on the microscopic world He built a compound light microscope. Page 8 of your books. To the left you see Wren’s illustrations from Hooke’s Micrographia.

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Discovering Cells

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  1. Discovering Cells

  2. Robert Hooke 1665 • Robert Hooke is the first person to publish a scientific study on the microscopic world • He built a compound light microscope Page 8 of your books

  3. To the left you see Wren’s illustrations from Hooke’s Micrographia

  4. Robert Hooke uses the term cell for the first time to describe the small compartments he sees in a slice of cork. In the year 1665 A.D.

  5. How Light microscopes work • Convex lens are used to bend and focus light • The distance needed to focus a lens is called its focal length Page 11 in your books

  6. Look on page 12

  7. Animalcules by Leeuwenhoek

  8. Cell Theory 1855 • All living things are made up of cells. • All cells come from other cells. • All cells are similar

  9. Today we have Electron Microscopes • These are much more expensive but they can give you much better images

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