Developments in Microscopy

• What is the main difference between light microscopes and electron microscopes?

  Light microscopes use light, electron microscopes use electrons
• Who was the first scientist to use a microscope to look at cells?

  Robert Hooke
• What did the invention of the electron microscope allow scientists to see?

  It allowed scientists to see much smaller structures
• When were electron microscopes invented?

  1930s
• What is the magnification limit of a light microscope?

  Approximately 1000x
• What is the resolution of an electron microscope compared to a light microscope?

  Electron microscopes have higher resolution than light microscopes
• Why was the development of the microscope important for biology?

  It allowed for the discovery of cells and microorganisms
• Which microscope can view living cells?

  Light microscope
• What does “resolution” mean in microscopy?

  Resolution is the ability to distinguish two close objects
• Name one advantage of electron microscopes.

  They provide detailed images of small structures