Sunrise Sunset Lab Earth Science

Name ______Date ______Hour ______

0. Study the sunrise and sunset information for ______to ______. Use information from SunTimes. (Source: http://www.aptl72.dsl.pipex.com/suntimes.htm)

1. What is today’s date?

2. What time is sunrise today? (Record the hour, minute, and second.)

3. What time is sunset today? (Record the hour, minute, and second.)

4. What is the day length (time between sunrise and sunset) for today? (Record the hours, minutes, and seconds.)

5. Which day, or days if some are equal, is the earliest sunset?

6. What time is sunset on that day or those days? (Record the hour, minute, and second.)

7. Which day, or days if some are equal, is the latest sunrise?

8. What time is sunrise on that day or those days? (Record the hour, minute, and second.)

9. Which day, or days if some are equal, is the shortest day length? (Which days have the shortest time between sunrise and sunset?)

10. What is the day length for that day or those days? (Record the hours, minutes, and seconds.)

11. What causes sunrise and sunset? Explain.

12. What causes the changes in the sunrise and sunset times? Explain.

13. What causes the earliest sunset date, the latest sunrise date, and the shortest day length date to be different dates? Explain.

14. What other patterns and relationships do you see in the information?