1. Welcome to Astronomy! Find your place in Space!

2. Astronomy The study of the Moon, Stars, and other objects in space.

3. Rotation Rotation is a planet spinning on its’ axis. An axis is an imaginary line through the poles Causes night and day One rotation = One day

4. Revolution Revolution is the movement of one object around another An orbit is the path an object takes as it revolves One revolution = One year

5. What causes night and day? A. Rotation B. Revolution C. Astronomy

6. One ___________ = One year A. Rotation B. Revolution C. Astronomy

7. One Rotation= One __________ A. Day B. Revolution C. Year

8. Seasons Caused by Earth’s tilt 23.5 degrees

9. Solstice Occur in June and December When the sun is directly over head at 23.5 degrees North or South Creates the longest and shortest days of the year

10. Equinox Occur in March and September When the sun is directly on the equator Means equal day and night

11. What causes seasons? A. Rotation B. Revolution C. Tilt

12. The longest day of the year is the_________. A. Summer solstice B. Winter solstice C. Fall Equinox D. Spring Equinox

13. What is the shortest day of the year? A. Summer solstice B. Winter solstice C. Fall Equinox D. Spring Equinox

14. What comes after the summer solstice and is has equal day and night? A. Summer solstice B. Winter solstice C. Fall Equinox D. Spring Equinox

15. Review What is rotation? What is revolution? What causes the seasons? What is a Solstice? What is an Equinox?

16. Credits Created by Michelle Riccobene All video from KLVX video streaming All pictures from Google Images ( www.google.com )www.google.com