Microscopes

What did Dutch lens makers invent?

• The barometer

• The thermometer

• The telescope

• The microscope

During the Renaissance, improvements in lenses led to better

• clocks.

• microscopes.

• thermometers.

What is the primary purpose of a microscope in scientific studies?

• To magnify small objects

• To measure temperature

• To weigh objects

• To calculate speed

Which part of the microscope is used to adjust the focus?

• Objective lens

• Stage

• Coarse adjustment knob

• Light source

Who is credited with the invention of the compound microscope?

• Galileo Galilei

• Antonie van Leeuwenhoek

• Hans and Zacharias Janssen

• Robert Hooke

What type of microscope uses electrons instead of light to view specimens?

• Compound microscope

• Electron microscope

• Simple microscope

• Stereo microscope

In which century was the first microscope invented?

• 16th century

• 17th century

• 18th century

• 19th century

What is the function of the diaphragm in a microscope?

• To hold the slide in place

• To adjust the amount of light

• To magnify the image

• To change the objective lens

Which scientist is known for using a microscope to discover cells?

• Isaac Newton

• Albert Einstein

• Robert Hooke

• Charles Darwin

What is the magnification power of a typical light microscope?

• 10x

• 100x

• 1000x

• 10,000x