Earth's Orbital Shape and Speed Variations

Questions

1. MultiChoice

   What is the shape of Earth's orbit around the Sun?

2. MultiChoice

   What is the point in Earth's orbit where it is closest to the Sun?

3. MultiChoice

   What is the point in Earth's orbit where it is farthest from the Sun?

4. MultiChoice

   During which month is Earth at perihelion (closest to the Sun)?

5. MultiChoice

   During which month is Earth at aphelion (farthest from the Sun)?

6. MultiChoice

   According to Kepler's laws, how does Earth's orbital speed change at perihelion?

7. MultiChoice

   Does the variation in distance between Earth and the Sun cause Earth's seasons?

8. MultiChoice

   How much does Earth's distance to the Sun vary between perihelion and aphelion?

9. MultiChoice

   Who discovered that planetary orbits are elliptical rather than perfect circles?

10. MultiChoice

    During which Northern Hemisphere season is Earth actually closest to the Sun?

11. MultiChoice

    What shape would Earth's orbit appear to have if drawn to scale on a standard piece of paper?

12. MultiChoice

    The plane in which Earth orbits the Sun is known as what?