1. The Sun, Earth, and Moon System

2. True or False: The Moon always has the same side facing the Earth.
Answer: True

3. True or False: The Moon light we see is light made from the Moon.
Answer: False

4. True or False:
The Moon has different phases because the Earth blocks sunlight from reaching the Moon.
Answer: False

5. Confusing Terms: Rotate (Rotation) Spin on an axis
(like in your chair)

6. Confusing Terms: Revolve (Revolution) Orbit a larger object
(Earth goes around the Sun)

7. Phases of the Moon
How the Moon appears is based on positions of the Moon, Earth, and the Sun.

8. New Moon The Moon is not seen
The light side is facing away from the Earth
The Moon is between the Earth and Sun

9. Full Moon The Moon is seen entirely.
The light side is facing the Earth
The Earth is between the Moon and Sun

10. First and Third Quarter Moon
Can be called a “half” moon
The moon is at a 90º angle to the Earth with respect to the sun

11. Gibbous
More than half of moon is illuminated

12. Crescent
Less than half of the moon is illuminated

13. Eclipses
Eclipses occur when the Sun, Earth, and Moon form a straight line.

14. Solar Eclipse
The Moon is directly in between the Earth and Sun

15. Solar Eclipse

16. Lunar Eclipse
The Earth is directly between the Moon and Sun

17. Lunar Eclipse