1. Earth’s Moon Simple Facts: 240,000 miles away (30 Earth diameters away) 1/4 the size of Earth The Earth’s natural satellite

2. The moon is Earth’s natural satellite its light source is the sun It has 3 layers: crust, mantle and core We can only see one side of the moon from earth It took the astronauts 3 days to reach the moon More Moon Facts

3. Crust = crumbled basalt –(fine powdered dust) Mantle = iron and magnesium Core = iron and other metals

5. Each time it orbits Earth, the moon turns only once on its axis This is why only one side of the moon always faces earth; called the “near” side Face that we don’t see is called “far” side

6. What do you see on the moon? A dark spot is called a “Mare” Plural: “Marias” These are craters filled with cooled lava Light areas are called “Highlands” with higher altitudes that “Marias” Mare Imbrium Mare Crisium Crater Tycho

7. Phases of the Moon The phases or shapes of the moon you see are the “lit” portion of the moon It takes about a month to see all the phases It takes about a month for the moon to orbit the Earth

8. Moons phases

9. The Moon, Earth, and Sun How they all move together!

10. Eclipses = shadows in space Lunar eclipse: when the Earth blocks the sun from the moon Solar eclipse: when the moon blocks the sun from the Earth

11. Umbras and penumbras An umbra is the darkest shadow of the eclipse A penumbra is the lighter shadow of the eclipse

12. Moon’s affect on Earth The moon gives us light at night! The moon causes ocean tides.

13. Spring and Neap tides  Spring Tide or High Tide  Earth, Moon, & Sun are lined up in a row  Neap Tide or Low Tide  Earth, Moon & Sun are at 90º angle

14. Moon Myths The Man in the Moon The Moon is made of cheese There are more babies born on a full moon The wolves come out on a full moon Hunter’s Moon: Hunters track and kill by the full moon. Blue Moon

15. Moon Quiz 1.How long does it take for the Moon to orbit Earth? a. 1 year b. 1 month c. 1 week

16. 2. What do we call the “dark” spots on the Moon? a)Highlands b)Holes c)Marias

17. 3. Why do we always see only one side of the moon? a)Because the moon does not rotate b)Because the moon revolves around the Earth c)The moon always keeps one side facing its planet: Earth.

18. 4. The Moon’s structure consists of: a)2 layers: crust and core b)3 layers: crust, mantle and core c)4 layers: moon dust, crust, mantle and core

19. 5. Name this Moon Phase: a)1 st Quarter b)Waxing Gibbous c)Waning Gibbous d)3 rd Quarter

20. 6. Name this Moon Phase: a)Waxing Gibbous b)Waning Crescent c)Waning Gibbous d)Waxing Crescent

21. 7. When the Earth blocks the sunlight from the Moon this is a: a)Lunar Eclipse b)Solar Eclipse

22. 8. The dark shadow from an eclipse is called a: a)Penumbra b)Umbra

23. 9. How many tides do we have per day? a)2 b)4 c)3 d)1

24. 10. If you sat on the beach in California for the entire day, how many “high” tides would you see? a)2 b)3 c)1