| A | B |
| The age of the moon | 4.6 billion |
| The moon orbits the earth in | 29 1/2 days |
| The moon rotation is the same as its | revolution |
| Waxing | the movement of the moon around the Earth between the "New Moon" phase and the "Full Moon" phase |
| Waning | is the movement of the moon around the Earth between the "Full Moon" and the "New Moon" phase |
| New Moon | When the moon is lined up between the Earth and the sun |
| The moons gravity is strong enough to | influence the oceans of the earth |
| 75% | amount water on earth |
| 70% | oceans |
| Hours between high tides | 12 |
| Hours between low tides | 12 |
| Hours between low and high | 6 |
| Hours between high and low tide | 6 |
| Time between tides from day to day | 50 minutes |
| Tops of the tidal bulge | crest |
| Botton of bulge | trough |
| gravity | influences the tides |
| The moon over the ocean causes | it to pull and lift the surace of the ocean under it |
| The moons position changes each day as it | rotates |
| Moons marias | volcanos erupted sending lava out onto the surce of the moon |