| __ | 1. | Astronomy | | A. | Study of the Solar System |
| __ | 2. | Binary Solar Systems | | B. | Study of heavenly bodies outside of our Solar System |
| __ | 3. | Cosmology | | C. | Study of rocks and land masses |
| __ | 4. | Earth Science Reference Tables | | D. | Mercury, Venus, Mars, Earth |
| __ | 5. | Gas Planets | | E. | Jupiter, Saturn, Uranus, Neptune |
| __ | 6. | Geology | | F. | 3 types of waves causes by earthquakes |
| __ | 7. | Gravity | | G. | Solar Systems where 2 suns exists (unlike our own) |
| __ | 8. | P, S, L | | H. | Icy planetary body no longer considered a 'planet' |
| __ | 9. | Pluto | | I. | Force that keeps planets in fixed orbits |
| __ | 10. | Rocky Planets | | J. | Source of facts and knowledge for students |