Microscope: The Tube That Changed the World

How long has the optical microscope been in use?

• 4000 years

• 40 years

• 400 years

Who really invented the microscope and what was their profession?

• The Janssen's; eye glass lens grinders

• Leuwenhuk; pioneered telescope

• Galileo; pioneered telescope

What plant matter did Robert Hooke study?  Why did he name what he saw under his microscope "cells"?

• Onion; they reminded him of jail cells

• Flowers; they reminded him of his cell phone battery

• Cork; they reminded him of monk chambers that were called cells

Which are all contributions the Leeuwenhoek Microscope made that change our fundamental understanding of the world around us.

• Decreased magnification by 100x.

  Discovered unknown space objects like new planets.

  Was first time dolphin skin cells were observed.

• Increased magnification to 270x(times).

  Discovered unknown organisms like bacteria.

  Was first time human red blood cells were observed.

When was the basic microscope, that is still in use today, developed?

• In the 21st century

• In the 19th century

• In the 20th century

How much can an electron microscope magnify an image?

• Up to 10,000,000x

• Up to 100,000x

• Up to 10,000x

Atoms have been revealed with the scanning tunnelling microscope.

• False

• True