1. Do Now In your notebook, answer the following question in complete sentences: What causes the seasons?

2. Why do we have seasons? Seasons

3. Rotation vs. Revolution Rotation – The Earth spinning on its axis (Causes night and day) – 1 rotation = 1 day (24 Hours) Revolution – The Earth orbiting around the sun – 1 revolution = 1 year (365 Days)

4. Why do we have seasons? NOT because we are closer or further from the sun Earth tilts on its axis 23.5 degrees and creates our seasons

5. 1 3 7 5 4 6 8 2

6. Location 1 Summer Solstice June 20 th /21 st Longest Daylight Hours of year Sun Directly Overhead at 23.5 N (Tropic of Cancer) North Pole receives 24 hours of sunlight

7. Alaska – 24 hours of sunlight!

8. Midnight Baseball

9. 1 3 7 5 4 6 8 2

10. Location 3 Autumnal Equinox September 22 nd /23 rd Equal Daylight Hours and Nighttime Hours Sun Directly Overhead at Equator Easy way to remember: EQUAL, EQUATOR, EQUINOX

11. 1 3 7 5 4 6 8 2

12. Location 5 Winter Solstice December 21 st /22 nd Shortest Daylight Hours Sun Directly Overhead at 23.5 S (Tropic of Capricorn) North Pole receives 24 hours of darkness

13. 1 3 7 5 4 6 8 2

14. Location 7 Vernal Equinox March 20 th / 21 st Equal Daylight Hours and Nighttime Hours Sun Directly Overhead at Equator Easy way to remember: EQUAL, EQUATOR, EQUINOX

15. 1 3 7 5 4 6 8 2

16. 1 3 7 5 4 6 8 2 Summer Autumn WinterSpring

17. What do 2,4,6, and 8 represent? 2 – Summer (Daylight Hours Decreasing) 4 – Autumn (Daylight Hours Decreasing) 6 – Winter (Daylight Hours Increasing) 8 – Spring (Daylight Hours Increasing)

18. 1 3 7 5 4 6 8 2

19. Southern Hemisphere Seasons are OPPOSITE in the Southern Hemisphere Q: If I want to go skiing in June, where should I go?? A: Southern Hemisphere!

20. In your NBs Answer the following: Southern Hemisphere: Solstice / Equinox Date Day light hours Where is the sun overhead South Pole (if anything)

21. Location 1: Winter Solstice June Short Daylight hours South Pole 24hrs Dark Sun at 23.5 North Location 5: Summer Solstice December Long Daylight hours South Pole 24hrs Light Sun at 23.5 South

22. Location 3: Vernal Equinox September Equal Daylight hours Sun at Equator Location 7: Autumnal Equinox March Equal Daylight hours Sun at Equator