| Term | Definition |
| comet | (n) A body made of ice and rock that flies through the solar system in a big orbit of the sun. |
| quest | (n) a big hunt for something. I am on a ___ for hidden treasure. |
| solar system | (n) the 8-9 planets and all other things in orbit around our sun. Earth is the third planet in our ____. |
| origin | (n) beginning. The ___ of the universe is found in the Big Bang. |
| climate | (n) Weather patterns over a long period of time. The ____ of North America is colder than that of tropical countries. |
| atmosphere | (n) the gaseous envelope surrounding the earth; the air. |
| hitch | (n) problem (slang); a device to attach a trailor to a car/wagon. There was a ___ to our plans; it turned out that bankrobbing was illegal. |
| flawless | (adj) without problems. |
| dilemma | (n) a BIG problem in which one is stuck among 2 or more choices. Her ___ was whether to marry for love or for money. |
| tradition | (n) something done for a long time. |
| abolish | (v) to end for all time. The U.S.finally ____ed slavery in 1865. |