| A | B |
|---|
| The sun is the closest ____ to the Earth. | star |
| A body of matter that moves around the sun is a ___ | planet |
| This is all the planets, moons, sun, and other objects in the sky. | solar systerm |
| A large bowl shaped hole in the ground | crater |
| Earth spins on an imaginary line called an___ | axis |
| It takes the earth 24 hours to ___ on its axis. | rotate |
| Each complete earth orbit around the sun is called a ____ | revolution |
| The moon is called a ____ of Earth because it revolves around the Earth. | satellite |
| This is the rise and fall of water along the ocean shore. | tide |
| A full moon is called a ____ of the moon. | phase |
| This can be used to see further into space. | telescope |
| This person travels into space. | astronaut |
| Earth travels in this around the sun. | orbit |
