| Question | Answer |
| A chunk of ice, rock and dust that moves around the sun. | comet
|
A change in the moon's shape. | phase
| a piece of equipment that makes faraway objects seem closer. | telescope
| Round objects that are satellites of the sun. | planets
| The force of attraction that pulls the planets toward the sun. | gravity
| The sun and all the objects that travel around it. | solar system
| One complete trip around an object in a circular path. | revolution
| The complete spin of an object on its axis. | rotation
| A real or imaginary line that an object spins around. | axis
| The path a revolving object takes. | orbit
| A sphere of hot gases that gives off light and heat. | star
| A hollow area or pit in the ground. | crater
| The rise and fall of the ocean's surface. | tides
| Large chunks of rock or metal in space. | asteroids
| Meteors that reach the Earth's surface. | meteroite
| Meteoroids that enter Earth's atmosphere. | meteor
| The blanket of gases that surrounds Earth. | atmosphere |
