Lunar Cycle
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. crescent
A. The sun with the celestial bodies that revolve around it in its gravitational field
2. gravity
B. A giant planet with a ring of ice particles
3. moon
C. A large asteroid that was once thought to be the farthest known planet from the sun
4. rotation
D. The branch of physics that studies celestial bodies and the universe as a whole
5. earth
E. A transformation in which the coordinate axes are ___ by a fixed angle about the origin
6. solar system
F. Natural satellite that orbits the Earth
7. orbit
G. Layer of air around the Earth
8. axis
H. A giant planet that is surrounded by three planar concentric rings of ice particles
9. reflection
I. The time at which the ___ appears as a narrow waxing crescent
10. revolution
J. A giant planet with a ring of ice particles
11. new moon
K. Force that pulls objects toward the Earth
12. waxing
L. A drastic and far-reaching change in ways of thinking and behaving
13. atmosphere
M. The month following February and preceding April (plural)
14. astronomy
N. The largest planet and the 5th from the sun
15. Mars
O. Any shape resembling the curved shape of the moon in its first or last quarters
16. Jupiter
P. The planet we live on
17. Neptune
Q. The phenomenon of a propagating wave being thrown back from a surface
18. Saturn
R. An area in which something acts or operates or has power or control: "the range of a supersonic jet"
19. Uranus
S. A straight line through a body or figure that satisfies certain conditions
20. Pluto
T. The application of wax to a surface