2. The Earth’s Orbit ES 2: I can explain that Earth is one of several planets to orbit (revolve and circle) the sun, and that the moon orbits Earth.

3. Earth’s Orbit (Revolution) Elliptical- oval Orbit is around the sun Takes 365 ¼ days to complete its orbit Earth is traveling at 67,000 mph while it orbits Tilt of the axis makes seasons

4. Elliptical Orbits

5. sun Earth

6. What shape is the Earth’s orbit? 1. Square 2. Elliptical 3. Triangular 4. Circular 0 of 30

7. How long does it take Earth to make one complete revolution around the sun? 0 of 30 1.24 hours 2.365 days 3.31 days 4.7 days

8. The Sun is at the center of our solar system. Which of the following best describes our Sun? 1.Galaxy 2.Meteorite 3.Planet 4.Star 0 of 30

10. Seasons-caused by tilt and orbit

11. When the Northern Hemisphere has spring, what is the season in the Southern Hemisphere? 1.Winter 2.Spring 3.Summer 4.Fall 0 of 30

12. What causes the seasons on Earth? 1.Earth’s revolution and tilt of the axis 2.Earth’s rotation and tilt of the axis 3.Earth’s rotation alone 4.Earth’s revolution alone. 0 of 30

13. Reasons For the Seasons Video & Activity Video