What Is An Atom And How Do We Know? Movie Quiz

Who is credited for first proposing the idea of an atom?

• Aristotle

• Plato

• Democritus

• Socrates

How many kinds of atoms have scientists discovered?

• 150

• 64

• 118

• 92

What did John Dalton find when two elements react to form multiple types of compounds?

• They react in random ratios

• They always react in whole number ratios

• They don't react to form compounds

• They react in fractions

What did Albert Einstein propose in 1905 that could confirm the existence of atoms?

• An experiment

• A new theory of relativity

• A mathematical equation

• A new microscope

What did the scanning tunneling microscope use to scan and feel the surface of the sample?

• Sound waves

• X-rays

• Electron tunneling

• Light

What did dr. Wilson Howe improve in the scanning tunneling microscope technique?

• The resolution of the microscope

• The color scheme of the images

• The size of the microscope

• The speed of the microscope

What did dr. Ara Apkarian discover a way to use to see atoms?

• Sound waves

• X-rays

• Actual light

• Electron tunneling

What did the French physicist Jean Perrin use to confirm the existence of atoms?

• A theory of relativity

• An experiment

• A mathematical equation

• A new microscope