Essay on Cell Theory pp

Submitted By rherne098
Words: 400
Pages: 2

Cell Theory
Timeline

• Dot point 1(i): outline the historical development of the cell theory, in particular the contributions of Robert Hooke and
Robert Brown
• Dot point 1(iii) discuss the significance of technological advances to the developments of the cell theory
• Skills: Use a variety of pictorial representations to show relationships clearly and succintly

Get out Notebook Paper
The Cell Theory
1.
2.
3.
Cell Scientists
1.
2.
3.
4.
5.
6.
7.
8.

Name
Date

Cell Theory
1. All living things are made of cells.
2. Cells are the basic units of structure and function in living things.
(structure = form; function = purpose) 3. All cells come from pre-existing cells.

Taking Notes
• In order to complete your timeline…
– Take notes on the following scientists









Zacharias and Hans Jansen
Robert Hooke
Anton van Leeuwenhoek
Robert Brown
Matthias Schleiden
Theodor Schwann
William Henry Perkin
Rudolph Virchow

– Write down their name, date, and a brief description of what they did.

It all started with…
• The first microscope! – Zacharias and Hans
Jansen
– 1595
– Middleburg, Holland
– Placed two lenses in a tube Hans & Zacharias Janssen
• 1595
• Hans & Zacharias Janssen produced the first compound microscope by lining up 2 lenses.

Robert Hooke
• 1665
• Robert Hooke observed lining matter
(cork cells) through a compound microscope, which reveals empty cells.
• He is the first to call the spaces in the cork “cells” which means little rooms.

Anton van Leeuwenhoek
• 1675
• Anton van Leeuwenhoek observed living cells through a simple microscope. Called the miscroorganisms he saw “animacules”

Matthias Schleiden
• 1838
• Matthias Schleiden discovered that plants were made of cells.

Theodor…