The Scientific Revolution - Copernicus and Galileo
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What students do
- Analyze an adapted excerpt of Galileo's 1610 Sidereus Nuncius
- Compare the geocentric and heliocentric models of the universe
- Explain what Jupiter's four moons and the phases of Venus prove about which model fits the evidence
- Argue whether Galileo's observations support the heliocentric model over the geocentric one
What it covers
- How Galileo's telescope observations of Jupiter's moons and Venus's phases challenged the Earth-centered universe
- The historical conflict between Galileo and the Catholic Church, described in neutral terms
- Key vocabulary including geocentric, heliocentric, the Ptolemaic and Copernican models, and observation
Learning targets
- Explain the difference between the geocentric (Earth-centered) and heliocentric (Sun-centered) models of the universe.
- Describe how Galileo used the telescope in 1609-1610 to gather evidence about the sky.
- Explain how Jupiter's four moons and the phases of Venus provided evidence for the heliocentric model.
- Describe, in neutral historical terms, the conflict between Galileo and the Catholic Church.
- Explain why observation-based evidence marks the birth of modern science.
From one teacher to another
When it works, students are hunched over the same four faint objects near Jupiter that Galileo logged night after night in 1610, arguing about what they prove. I pulled the excerpt straight from Sidereus Nuncius so they're reasoning from Galileo's own observations instead of a textbook's summary of what he supposedly saw. I still give the Church conflict a place in the story, though I keep the telling matter-of-fact instead of turning it into a morality tale.
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