Moon & Craters Vocabulary

5. Getting smaller.
6. Material displaced from the land when a crater is formed.
7. A ______ crater is a crater with central peaks and ejecta thrown out in long rays.
9. The ______ quarter Moon occurs halfway between the full Moon and the new Moon.
10. The force that causes two masses to attract each other.
11. A ______ crater is a crater from a large impact that released magma from beneath the surface.
13. The ______ Moon is nearly round on the side facing the Sun, with a bulge on the other side.
18. A layer of gases that surround an object held in place by gravity.
19. A ______ eclipse occurs when Earth passes exactly between the Moon and the Sun.
20. A change in land created by an impact.
21. The ______ quarter Moon occurs halfway between the new Moon and the Full Moon.

1. An object that orbits a star and is massive enough for its own gravity to force it into a spherical shape.
2. A piece of ice, rock, and dust a few kilometers in size.
3. The dark surface of cooled magma in a flooded crater.
4. Also known as a shooting star.
5. Getting bigger.
8. A piece of a meteoroid that hits the ground.
12. A small or medium sized piece of rock or metal floating in space.
14. A ______ crater is a small, bowl-shaped crater that has a fairly uniform blanket of ejecta distributed around the rim.
15. A small, rocky object that orbits the sun.
16. The ______ Moon occurs when the Moon is between Earth and the Sun, so we are looking at the dark side of the Moon.
17. A ______ eclipse occurs when the Moon passes exactly between Earth and the Sun.