1.
the round object that shines in the sky at night and moves around the Earth
2.
a gas that is in the air and that animals need to live
3.
The moon's ____ is one-sixth that of Earth's.
4.
a vehicle that explores the rocky and bumpy surfaces of moons and planets
5.
Copernicus and Tycho are two very large craters on the moon that can be seen from Earth using a _____.
6.
the top layer of earth that plants grow in
