NAME: ______DATE: ______
The Earth and Moon
Study guide
KNOW THE FOLLOWING VOCABULARY:
1. axis
2. orbit
3. phases
4. revolution
5. rotation
6. satellite
THE MOON:
1. The moon is a natural __satellite______of the Earth.
2. It takes about __28 - 30____ days for the moon to complete its _orbit (rotation)__ around the Earth.
3. From the Earth, the moon looks as large as the sun because ______
____the moon is so much closer to the Earth than the sun______.
4. The moon reflects the light from the ______sun______.
5. The moon seems to have different shapes or __phases______.
6. The moon has no ______atmosphere______.
7. What does the moon look like? ____gray, round ball. Full of craters. Mountains and dark places called seas. Rock. ______.
8. The same side of the moon always faces ___Earth______.
9. Which has a stronger influence on Earth’s tides, the moon or the sun?
_moon____.
10. Who were the first astronauts to land on the moon? _Neil Armstrong____and ___Buzz Aldrin______.
11. Which Apollo space flight were these astronauts on? ______11______.
12. When two full moons occur in a single month, the second full moon is called a __blue moon______.
13. The moon is covered with millions of __craters______.
14. When the moon circles the Earth and passes directly between the Earth and the sun, this causes a __solar eclipse______.
15. When the Earth passes directly between the sun and the moon briefly blocking out the moon, this causes a ____lunar eclipse______.
16. When the phases of the moon have the moon getting brighter, this is called a ______waxing______moon.
17. When the phases of the moon have the moon getting darker, this is called a ____wanning______moon.
18. The moon that is bright and round is called a ___full moon______.
19. A moon that is not seen because no light is reflecting is called a ______new moon______.
20. A moon that is nearly full is called a ______gibbous______.
21. A moon that shows as a sliver of light is called a ____crescent_____
__moon_____.
22. Another name for a quarter moon is a ___half moon______.
THE EARTH:
1. The Earth is a satellite of the ______sun______.
2. It takes the Earth ___365 days___ or _____1 year____ to complete a revolution around the sun.
3. It takes the Earth _____24 hours___ or __1 day______to complete one rotation on its axis.
4. This rotation causes ______day and night______.
5. What two factors cause the seasons on Earth?
1. ___the tilt of the Earth on its axis______
2. ____the revolution of the Earth around the sun.____
6. Why is January a summer month in the Southern Hemisphere but a winter month in the Northern Hemisphere? __When the Earth is tilted so that the part below the equator (Southern Hemisphere) is closer to the sun, thenit is summer there. While the part above the equator (Northern Hemisphere) will be tilted away from the sun thus having winter.______.