1. Rotation vs. Revolution

2. Create the following Graphic Organizer in your ISN RotationRevolution Describe How Long? Diagram

3. Rotation The spinning of Earth’s axis is called rotation It takes 24 hours for Earth to rotate once. Rotation causes day and night

4. Revolution Earth’s revolution is the movement of Earth around the sun.

5. Revolution One complete rotation take 365 days (1 year) – Actually 365 days, 6 hours, 45 minutes, and 48 seconds to rotate the sun – Every four years we make up for missed time with Leap year!

6. Revolution Earth’s revolution causes the seasons, along with the tilt of Earth’s axis

7. Talk to your Partner How old are you in Earth Revolutions? – The same as how old you are! 1 revolution = 1 year!

8. Rotations and Revolutions PlanetRotation TimeRevolution Time Mercury58.8 days88 days Venus243.7 days224.7 days Earth24 hours365 days Mars24.5 hours686 days Jupiter10 hours12 years Saturn17.25 hours29.5 years Uranus16.1 hours84 years Neptune6.4 days164.8 years

9. Discuss with your Partner Jupiter takes almost 12 Earth years to rotate the sun – How old would you be on Jupiter?

10. Discuss with your Partner Jupiter takes almost 12 Earth years to rotate the sun – How old would you be on Jupiter? If you’re 12.. You’re 1 year old on Jupiter!

11. Discuss with your Partner Mercury takes about a quarter of an Earth year to revolve around the sun. how old would you be on Mercury?

12. Discuss with your Partner Mercury takes about a quarter of an Earth year to revolve around the sun. how old would you be on Mercury? If you’re 12, you would be 48!