| A | B |
| quarter moon (also called half moon - it has this shape 1/4 through cycle)) |  |
| gibbous moon |  |
| crescent moon |  |
| full moon |  |
| new moon |  |
| Earth |  |
The Earth's tilt,  | This causes the seasons. |
| Night and day | The result of the rotation of the Earth. |
| 24 hours | One complete rotation of the Earth takes____.. |
| Revolution | The movement of the Earth around the sun. |
| 365 days or one year | The Earth revolves around the sun in _____. |
| one month (about 28 days) | The moon revolves around the Earth in _____. |
The moon,  | Earth's natural satellite (an object that moves around another) |
| The moon's phases | The moon's different shapes during the month |
| a star. | A burning ball of gases. |
the sun,  | The closest star to Earth |