| A | B |
|---|
| eclipse | moon's shadow hit Earth or Earth's shadow hits the moon |
| solar eclipse | moon passes between Earth and Sun; blocking Sun |
| lunar eclipse | the Earth is directly between the moon and Sun |
| a lunar eclipse can only occur during | Full moon |
| the darkest part of the moon's shadow | umbra |
| the less dark and smaller part of shadow during eclipse | penumbra |
| penumbra | partial eclipse occurs here |
| umbra | total eclipse occurs here |
| tide | rise and fall of ocean water |
| gravity | a force that pulls hte moon and Earth together |
| Moon | controls the ocean tides |
| 2 of each occur each day | high and low tide |
| high tide to another high tide | 12.5 hours |
| high tide to low tide | approx. 6 hours |
| spring tide | greatest difference between high tide and low tide |
| neap tide | least difference between high tide and low tide |
| Sun, Earth & moon in a line cause a _______________ tide | spring |
| Sun and moon are at right angle to Earth during a _____________________tide | neap |
