Question 1. A location at 40°N experiences more direct sunlight than a location at 40°S on December 21.
TrueFalse

Question 2. A location at 40°N experiences fewer daylight hours than a location at 40°S on December 21.
True
False

Question 3. On the fall equinox in the Northern Hemisphere, the sun is directly overhead of the parallel of _____.
A. 66.5°N
B. 23.5°N
C. 0°
D. 23.5°S
E. 66.5°S

Question 4. What is the season (in the Northern Hemisphere) when the area to the south of the Antarctic Circle is in 24 hours of daytime?
A. Spring
B. Summer
C. Fall
D. Winter

Question 5. According to the website, the winter solstice in 2015 occurred on _____.
A. December 20
B. December 21
C. December 22
D. December 23

Question 6. A location at 40°N experiences more direct sunlight on June 21 than a location at 40°S on June 21.
True
False

Question 7. A location on the Tropic of Cancer receives more hours of sunlight on December 21 than a location just north of the Arctic Circle.
True
False

Question 8. When you double the distance between the wall and the projector, the percentage of the overhead's light energy received by the globe _____.
A. decreases by 1/2
B. decreases by more than 1/2
C. increases by twice as much
D. increases by more than twice as much
E. remains the same

Question 9. The sun is directly overhead at _____ on the summer solstice in the Northern Hemisphere.
A. the Antarctic Circle
B. the equator
C. the Arctic Circle
D. the Tropic of Cancer
E. the Tropic of Capricorn

Question 10. Which place will experience a greater change in daylight length from summer to winter: Indianapolis, IN (approximately 40°N latitude), or Sydney, Australia (approximately 34°S latitude)? Or will they be about the same?
A. Indianapolis, IN
B. Sydney, Australia
C. About the same

Question 11. How many hours of sunlight does the North Pole receive on the winter solstice (in the Northern Hemisphere)? Enter an integer value only; do not use comma and period in this box.
Question 12. The sun comes directly overhead of Chico, CA (39° 45'N) at least once a year.
True
False

Question 13. The Earth's axial tilt does not change as the Earth revolves around the sun.
True
False

Question 14. Upload an image file (the graph you made with the data from the projector experiment) that you created. Note: you will earn zero points if you submit an Excel file or any non-image file.

Question 15. Look at the graph that you just created. What is the relationship between distance and the percentage of the overhead's light energy received by the globe? Select all that apply.
A. Negative
B. Positive
C. Linear
D. Non-linear

Question 16. What is the season (in the Northern Hemisphere) when the area to the north of the Arctic Circle is in darkness 24 hours a day?
A. Spring
B. Summer
C. Fall
D. Winter

Question 17. What event occurs on a day when ALL locations of Earth experience 12 hours of daytime and 12 hours of nighttime?
A. The winter solstice
B. The aphelion
C. The perihelion
D. The summer solstice
E. An equinox

Question 18. A location at 40°N experiences fewer daylight hours than a location at 40°S on June 21.
True
False

Question 19. When Chico (~40°N) is experiencing fall, a location at 40°S is experiencing _____.
A. spring
B. summer
C. fall
D. winter

Question 20. A location on the Tropic of Capricorn receives more hours of sunlight on June 21 than a location just south of the Antarctic Circle.
True
False

Question 21. Briefly explain why it is surprising that the perihelion occurs around January 3, when the Northern Hemisphere is experiencing winter.

Question 22. The sun is directly overhead of the Tropic of Cancer on _____ in the Northern Hemisphere.
A. the spring equinox
B. the winter solstice
C. the fall equinox
D. the summer solstice

Question 23. How many hours of sunlight does the South Pole receive on the summer solstice (in the Northern Hemisphere)? Enter an integer value only; do not use comma and period in this box.

Question 24. How many hours of sunlight does the equator receive on the summer solstice (in the Northern Hemisphere)? Enter an integer value only; do not use comma and period in this box.

Question 25. According to the website, the aphelion in 2015 occurred on _____.
A. July 2
B. July 3
C. July 4
D. July 5
E. July 6

Question 26. Based upon the projector experiment above, insolation is higher when the earth is at the position of _____.
A. the perihelion
B. the aphelion
C. neither the perihelion nor the aphelion (instead at another timing)