Lunar Phases

1
Lunar Phases

• 7th grade Science

2
1. Lunar Phases

• The different shapes of the moon you see from the
  Earth are called phases.

3
1. Moon Orbit

• The moon revolves around the earth
• This Orbit takes about 29.5 days

4
2. Moons Rotation

• The moon revolves around the Earth in the same
  amount of time that it takes for the moon to
  rotate on it axis (29.5 days)
• Rotation Revolution
• Because of this always see the same side of the
  moon from Earth.

5
4. Lunar Phases

• Phases are caused by changes in the positions of
  the moon, Earth, and the sun
• The sun lights the moon

6
CPS Quiz Choose the correct answer

• Orbit

B. Phases

• The different shapes of the moon you see from the
  Earth are called
• The path the moon takes around the earth.
• The different ________ as seen from Earth are
  caused by the relative positions of the moon,
  Earth and Sun.

7
5. From Earth

• Only the half of the moon that faces the sun is
  lit, the other half is dark and we cant see it.

8
6. Lunar Phases

• The Phase of the moon depends on how much of the
  sunlit side of the moon faces Earth

9
7. Waxing

• Waxing means getting bigger.
• When we see more and more of the lighted side of
  the moon every day it is called waxing.

10
8.Waxing

• If you hold up your index finger the waxing moon
  creates a small letter b
• Bborn OR Bigger

11
9. Waning

• As the moon continues to orbit you see less and
  less of the lighted side of the moon.
• This is called a waning moon
• it looks like its getting smaller.

12
10. Waning

• If you hold up your index finger the waning moon
  creates a small letter d
• DDying OR DECREASING

13
11. Crescent

• Crescent
• When you can see less than half of the moon

14
12. Gibbous

• Gibbous
• When you can see More than half of the moon

15
13. New Moon
16
14. Waxing Crescent
17
15. First Quarter
18
16. Waxing Gibbous
19
17. Full Moon
20
18. Waning Gibbous
21
19. Last Quarter
22
20. Waning Crescent
23
CPS Quiz Match the picture with the name of the
phase.

• New Moon
• Waning Gibbous
• First Quarter
• Waxing Crescent
• Full Moon
• Waning Crescent
• Waxing Gibbous
• Third Quarter

C.
D.
B.
A.
E.
H.
F.
G.
24
(No Transcript)