Exploring Life chapter 1 lesson 3

Who were two inventors of early microscopes?

• Thomas Edison and Nikola Tesla

• Albert Einstein and Niels Bohr

• Anton van Leeuwenhoek and Robert Hooke

• Isaac Newton and Galileo Galilei

What is a characteristic of all microscopes?

• They use sound waves

• They magnify images

• They require electricity

• They are portable

What type of microscope uses a magnetic field to focus a beam of electrons through an object or onto an objects surface?

• Compound microscope

• Light microscope

• Optical microscope

• Electron microscope

Which type of microscope is used to study the surface of an object?

• Compound microscope

• Scanning electron microscope

• Transmission electron microscope

• Light microscope

In which field are microscopes used to examine steel for impurities?

• Steel industry

• Health care

• Jewelry making

• Forensic science

Tags

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Which of the following is NOT a use of microscopes mentioned in the text?

• To study evidence from crime scenes

• To study fossils

• To view distant stars

• To examine steel for impurities

The invention of ___________ enabled people to see details of living things that cannot be seen with the unaided eye.

Before microscopes, people did not know that living things are made of ________

• Cells

• Atoms

• Bones

• Cubes

Tags

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Magnification makes an image appear larger than it really is

• True

• False

Another characteristic of microscopes, it show how clearly the magnified image can be seen

• Lens

• Resolution

• Ocular

• Base