DOL - History of the Atom

Who was the Greek philosopher who developed the concept of the atom?

• Aristotle

• Democritus

• Socrates

• Plato

Democritus looked at the beach and saw it was made of ________.

• sand

• water

• rocks

• glass

According to Democritus, what is the smallest possible piece of matter called?

• Atom

• Molecule

• Element

• Compound

According to Democritus, if you keep cutting sand into smaller pieces, what do you eventually get?

• Water

• Atoms

• Rocks

• Air

Who was Aristotle?

• A) A Roman emperor

• B) A famous Greek philosopher

• C) An Egyptian king

• D) A Persian warrior

Aristotle said, "All substances are made of how many elements?"

• 2

• 3

• 4

• 5

Fill in the blank: It was considered beneath famous people to work with their ________.

• hands

• voices

• books

• cars

Who did not experiment?

• Aristotle

• Democritus

Aristotle was more famous and considered to have 'won' because:

• his ideas influenced Western thought for centuries.

• he was the first philosopher in history.

• he agreed with all of Plato's teachings.

• he never made any mistakes in his theories.

Who summarized the results of his experiments and those of others in the late 1700s in England, leading to the atomic theory of matter?

• Isaac Newton

• John Dalton

• Albert Einstein

• Dmitri Mendeleev