Podcast
Questions and Answers
Which of the following observations did Aristotle use to argue for a spherical Earth?
Which of the following observations did Aristotle use to argue for a spherical Earth?
- The changing distance between the Earth and the Sun
- The visibility of different stars at different latitudes (correct)
- The phases of the moon during its monthly cycle
- The elliptical orbits of the planets around the sun
The Pythagorean's belief in a spherical Earth was primarily based on empirical evidence rather than philosophical preference.
The Pythagorean's belief in a spherical Earth was primarily based on empirical evidence rather than philosophical preference.
False (B)
What was the significance of Eratosthenes' measurement of the Earth's circumference?
What was the significance of Eratosthenes' measurement of the Earth's circumference?
It provided the first known accurate calculation of Earth's size.
Eratosthenes observed that at noon on the summer solstice, the sun shone directly into a ______ in Syene.
Eratosthenes observed that at noon on the summer solstice, the sun shone directly into a ______ in Syene.
Match the Greek thinker with their contribution to understanding the Earth's shape:
Match the Greek thinker with their contribution to understanding the Earth's shape:
Which of the following best describes how knowledge of the spherical Earth was disseminated during the Hellenistic period?
Which of the following best describes how knowledge of the spherical Earth was disseminated during the Hellenistic period?
Despite the overwhelming evidence, the flat-Earth model was completely abandoned by all Greek thinkers after Eratosthenes' calculation.
Despite the overwhelming evidence, the flat-Earth model was completely abandoned by all Greek thinkers after Eratosthenes' calculation.
What advancement aided investigations of Earth’s shape?
What advancement aided investigations of Earth’s shape?
Aristotle observed that the Earth's shadow during a lunar eclipse is ______, indicating a spherical shape.
Aristotle observed that the Earth's shadow during a lunar eclipse is ______, indicating a spherical shape.
What was the initial concept of Earth's shape held by early Greek philosophers like Homer and Hesiod?
What was the initial concept of Earth's shape held by early Greek philosophers like Homer and Hesiod?
Flashcards
Spherical Earth
Spherical Earth
Ancient Greek concept that the Earth is round, not flat.
Flat Earth Model
Flat Earth Model
Early belief that the Earth was a flat disc, often surrounded by a celestial ocean.
Pythagoreans
Pythagoreans
Proposed a spherical Earth due to their belief that the sphere was the most perfect shape.
Plato
Plato
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Aristotle
Aristotle
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Latitude Star Visibility
Latitude Star Visibility
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Lunar Eclipse Shadow
Lunar Eclipse Shadow
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Eratosthenes
Eratosthenes
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Eratosthenes' Method
Eratosthenes' Method
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Library of Alexandria
Library of Alexandria
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Study Notes
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Description
Explore the emergence of the spherical Earth concept in ancient Greece, a shift from earlier flat-Earth models. Driven by philosophical inquiry, mathematical advancements, and empirical observations. The Pythagoreans were among the first to propose this idea, influencing Plato's support in the 4th century BCE.
