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Science Ch.6 1-2
Section 1-2
| Question | Answer |
|---|---|
| full moon | phase the occurs when all of the moon's surface facing Earth reflects light |
| waning | describes phases that occur after a full moon, as the lighted side of the moon grows smaller |
| solar eclipse | occurs when the moon passes directly between the sun and Earth and costs a shadow over part of earth |
| lunar eclipse | occurs when Earth's shadow falls on the moon |
| maria | dark colored, relatively flat regions of the moon formed when ancient lava reached the surface and filled craters on the Moon's surface |
| sphere | a round, three dimensional object whose surface is the same distance from its center at all points |
| axis | imaginary vertical line that cuts through the center of Earth and around which Earth spins |
| rotation | spinning of Earth on its imaginary axis, which takes about 24 hours to complete and causes day and night to occur |
| revolution | Earth's year long elliptical orbit around the sun |
| ellipse | elongated, closed curve that describes Earth's year-long around the sun |
| solstice | twice-yearly point at which the sun reaches its greatest distance north or south of the equator |
| equinox | twice-yearly time ---each spring and fall-when the sun is directly over the equator and the number of daylight and night time hours are equal worldwide |
| moon phase | change in appearance of the Moon as viewed from the Earth,, due to the relative positions of the moon, earth and sun. |
| New moon | moon phase that occurs when the moon is between earth and the sun, at which point the moon cannot be seen because its lighted-half is facing the sun and its dark side faces Earth. |
| waxing | describes phases following a New moon, as more of the moon's lighted side becomes visible |
Created by:
nelsonclan6
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