Read all of chapters 2 and 3.
Some questions to help you prepare for chapters 2 and 3 reading quiz.
Don't forget to learn vocabulary that is new to you, especially the terms
presented in bold face in the text.
Chapter 2: Orbits and Gravity
- Planet orbits are almost circular, but not quite -- what are they?
- How many laws did Kepler propose?
- How many laws did Newton propose?
- To what do Kepler's laws pertain, most generally?
- To what do Newton's laws pertain, most generally?
- How is gravity connected to orbits?
- To what does a "planet's period" refer?
- Which planet has the longer period, one near the Sun or one further
- Approximately where is the asteroid belt?
- What is "escape velocity"?
- How is mathematics connected to the discovery of Neptune?
Chapter 3: Earth, Moon, and Sky
- What system do we use to locate places on the Earth? How does it
- What system do we use to locate places in the sky?
- What's special about Greenwich England?
- What is the reason we have seasons on Earth?
- What is the season in Argentina when it is summer in Detroit?
- Why is a sidereal day different from a solar day?
- Approximately where is the international date line? What happens if
you cross it?
- What is the challenge in making a workable calendar?
- Why does the Moon have phases?
- Does the Moon rotate?
- What are tides and what is the primary influence on them?
- What is a solar eclipse? a lunar eclipse?
© Robert Harr 2005