| The Earth is between the Sun and the Moon during a ____. |
axis |
| The Earth's ____ causes the rising and setting of the Sun. |
diamond |
| The Earth rotates (spins) on its ____ once every 24 hours. |
full moon |
| The hardest naturally-occurring mineral on Earth is ____. |
hydrosphere |
| About 66 million years ago, a massive ____ hit the Earth. |
meteorite |
| The ____ Moon is often seen in the western sky long after sunrise. |
rotation |
| The International Space Station orbits the Earth within the ____. |
thermosphere |
| The water on, under, and over Earth's the surface is its ____. |
third quarter |
