click below
click below
Normal Size Small Size show me how
Phases,Eclipses,Tide
Bonnie Branch 6th Grade - 19-2 / Phases, Eclipses, and Tides
| Term | Definition |
|---|---|
| phase | One of the different shapes of the moon as seen from Earth |
| eclipse | The partial or total blocking of one object by another |
| solar eclipse | The blocking of sunlight to Earth that occurs when the moon is between the sun and Earth |
| umbra | The darkest part of a shadow |
| penumbra | The part of the shadow surrounding the darkest part |
| lunar eclipse | The blocking of sunlight to the moon that occurs when Earth is directly between the sun and moon |
| tides | The daily rise and fall of Earth’s waters on shores |
| gravity | The attractive force between two objects; its magnitude depends on their masses and the distance between them |