Across |
| 2 | They are all a rock mass - some large and some small. Meteoroids are small _____. Meteorites are small meteoroids. |
| 4 | the shapes of the lit side of the Moon that can be seen |
| 6 | one whole spin of an object on its axis |
| 10 | one full orbit around the sun |
| 11 | Earth's _____ orbit lasts how many days? |
| Down |
| 1 | the daily rise and fall of the oceans on Earth |
| 3 | A shooting star is really a ______? |
| 4 | a rocky planet covered by red, dusty soil |
| 5 | (five or several) comets a year may travel into the solar system and circle the sun. |
| 7 | Asteroids can be hundreds of kilometers wide or as small as a pebble. (true or false) |
| 8 | The _____ is the main cause of the rising and falling of tides? |
| 9 | The (coma or nucleus) and tail of a comet form when it gets close enough to the sun to melt the nucleus. |