Outer Space
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. solar
A. The smallest planet and the nearest to the sun
2. space
B. The star our planet orbits
3. jupiter
C. The month following February and preceding April (plural)
4. saturn
D. Ball of burning gas shining in the night sky
5. mars
E. Relating to or derived from the sun or utilizing the energies of the sun
6. venus
F. The vast area beyond Earth's atmosphere
7. earth
G. The second nearest planet to the sun
8. uranus
H. A magnifier of images of distant objects
9. pluto
I. Everything that exists anywhere
10. mercury
J. The branch of physics that studies celestial bodies and the universe as a whole
11. sun
K. A giant planet with a ring of ice particles
12. comet
L. A collection of star systems
13. galaxy
M. Study of the natural world through experiments
14. moon
N. A giant planet that is surrounded by three planar concentric rings of ice particles
15. science
O. The largest planet and the 5th from the sun
16. astronomy
P. A large asteroid that was once thought to be the farthest known planet from the sun
17. universe
Q. A relatively small extraterrestrial body consisting of a frozen mass that travels around the sun
18. star
R. The planet we live on
19. telescope
S. Natural satellite that orbits the Earth