Earth and Moon

3. the plane in which an object’s orbit lies
4. the lunar phase where the moon is directly between Earth and the sun; the new moon cannot be seen from Earth
7. a time of year when the sun is directly overhead at one of the tropics during noon
8. the lunar phase where Earth is directly between the sun and the moon; the moon looks like a circle
9. the latitudes furthest north and south that receive sunlight at a perpendicular angle
13. a set of connected parts that form a complex whole
15. an imaginary line around which a rotating object turns
16. a representation which displays some but not all aspects of an object or phenomenon

1. the spin of an object around a point or line
2. the appearance of the lit area of the moon as seen from Earth
5. a star that is always above the horizon when viewed from a given latitude
6. the motion of an object around another object in space
10. the path that an object follows as it revolves around another object
11. a natural object in space
12. a limitation on an engineering solution
14. a time of year when the sun is directly overhead at the equator at noon, when day and night are of equal length