1."T" for TRUE, or "F" for FALSE. (6 pt)
F: Adams & Leverrier used the Ptolemaic model to predict the location of Neptune.
T: Objects orbiting the Earth and planets orbiting the Sun obey the same physical laws.
2. In each sentence below, underline the correct term from the two in parentheses. (6 pt)
a. (Tycho Brahe/Isaac Newton) recorded the data that Kepler used to make Kepler's three laws.
A: Brahe
b. Kepler's three laws were (better/worse) at predicting planetary positions than Ptolemy's models.
A: better
c. Kepler (did not need to/needed to) use ellipses to describe the planets' orbits.
A: needed to
3. Who's three laws came first, Newton's or Kepler's? (2 pt.) A: Kepler's
4. Place a check next to two properties that apply to ellipses. (6 pt.)
applies: Ellipses describe planets' orbits well.
not true: Tycho Brahe used ellipses to describe planets' orbits.
not true: The ancient Greeks thought ellipses were "perfect."
not true: Newton discovered ellipses.
applies: Ellipses are from a class of curves called conic sections.