The Earth and Moon

1. The inner part of the earth and moon are called this. The moon's is much smaller.
4. The moon's is about 1/6th that which we feel on earth.
6. Both the earth and moon have these which were created by impacts to their surfaces.
8. The earth has a significant one while the moon's is less than 100th the strength of earth's.
10. These are active on earth while they are no longer active on the moon.
11. The earth's is 3,960 miles and the moon's is 1,069 miles.
12. The earth has this and the moon does not.
14. The moon has similar composition characteristics as the earth but lacks this.

2. The earth and moon both do this around the sun.
3. This type of rock is found on the moon.
5. This layer protects the earth from harmful UV rays. The moon does not have this layer.
7. This type of rock is found on the moon and is also called lava rock.
9. The earth has a significant one, the moon does not (allows life to exist on earth).
11. The earth and moon are both made of this.
13. Three-quarters of the earth is covered by this while there is only small frozen amounts on the moon.
14. This is called the earth's natural satellite and orbits the earth.