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

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

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

a)

Aristotle

b)

Plato

c)

Democritus

d)

Socrates

2.

How many kinds of atoms have scientists discovered?

a)

150

b)

64

c)

118

d)

92

3.

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

a)

They react in random ratios

b)

They always react in whole number ratios

c)

They don't react to form compounds

d)

They react in fractions

4.

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

a)

An experiment

b)

A new theory of relativity

c)

A mathematical equation

d)

A new microscope

5.

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

a)

Sound waves

b)

X-rays

c)

Electron tunneling

d)

Light

6.

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

a)

The resolution of the microscope

b)

The color scheme of the images

c)

The size of the microscope

d)

The speed of the microscope

7.

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

a)

Sound waves

b)

X-rays

c)

Actual light

d)

Electron tunneling

8.

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

a)

A theory of relativity

b)

An experiment

c)

A mathematical equation

d)

A new microscope