Galileo Galilei Quiz | Galileo Galilei Online Test for Practice

31. Which celestial discovery did Galileo make in 1610?

1. Phases of Venus
2. Moons of Jupiter
3. Saturn’s rings
4. All of the above

32. Galileo’s discoveries supported which of Kepler’s laws?

1. First law
2. Second law
3. Third law
4. All of the above

33. Galileo’s telescope was first used for what purpose?

1. Navigating ships
2. Observing stars
3. Studying planets
4. Both 2 and 3

34. What was Galileo's major contribution to astronomy?

1. Discovery of black holes
2. Invention of the telescope
3. Observations of planetary motion
4. Theory of relativity

35. Galileo’s contributions led to the creation of what scientific method?

1. Experimental method
2. Hypothesis testing
3. Data analysis
4. Scientific notation

36. Which book by Galileo supported the heliocentric theory?

1. "Dialogue Concerning the Two Chief World Systems"
2. "On the Heavens"
3. "Principia Mathematica"
4. "The Starry Messenger"

37. What instrument did Galileo improve to study the skies?

1. Microscope
2. Sextant
3. Telescope
4. Barometer

38. Galileo was condemned by which institution?

1. The Roman Catholic Church
2. The Venetian Senate
3. The British Monarchy
4. The French Academy

39. Galileo discovered the four largest moons of which planet?

1. Mars
2. Jupiter
3. Saturn
4. Venus

40. What year did Galileo discover Jupiter’s moons?

1. 1609
2. 1610
3. 1611
4. 1612