| A | B |
| picture of quarter moon |  |
| picture of gibbous moon |  |
| picture of crescent moon |  |
| picture of full moon |  |
| picture of new moon |  |
Earth's tilt as it revolves around the sun.,  | This causes the seasons. |
| day and night | 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 | The Earth revolves around the sun in _____. |
| One month - about 27 or 28 days | The moon revolves around the Earth in _____. |
| The moon's phases | The moon's different shapes during the month |
| cycle | a repeated pattern or a series of events that happen over and over in the same order. |
| sequence | a series of events that occur in a natural order |
| axis | an imaginary line running from the North Pole to the South Pole |
| tilt | to lean to the side |
| rotate | one complete turn or spin on the earth's axis |
| gravity | the force that pulls things to the Earth's middle |
| gibbous moon | 3/4 of the full moon |
| crescent moon | 1/4 of the full moon |
| new moon | no visible moon |
| full moon | a complete circular moon |
| tides | the rising and falling of the waters on the Earths surface |
| waxes | to get bigger |
| wanes | to get smaller |