What was the primary concern of the earliest Greek philosophers?

• Ethics and morality

• Politics and society

• The origin and nature of the universe

• The structure of government

According to Thales, what is the fundamental substance (arche) of all things?

• Air

• Fire

• Earth

• Water

What was Anaximander’s proposed origin of the universe?

• numbers

• apeiron

• air

• water

What substance did Anaximenes believe to be the primary element?

• Air

• water

• fire

• earth

What concept did Anaxagoras introduce as the cause of order in the universe?

• water

• nous

• apeiron

• air

Which philosopher’s ideas mark the end of the classic period of Greek philosophy?

• Socrates

• Empedocles

• Plato

• Aristotle

What must a thing have to truly exist, according to Aristotle?

• Color and weight

• Memory and will

• Form and matter

• Space and time

According to Aristotle, matter and form are:

• Separate entities

• opposites

• inseparable

• illusions

According to Empedocles, the formation of things is due to:

• Universal ideas

• Combination of the four elements

• Mathematical laws

• Divine will

What did Empedocles identify as the four fundamental materials?

• Fire, water, earth, air

• Love, strife, earth, spirit

• Fire, water, metal, air

• Heat, cold, wet, dry