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Chapter 2.2 science
moon phases
| Question | Answer |
|---|---|
| The moon's rotation takes _____ days with the same side always facing Earth. | 27.3 |
| The moon seems to shine because it reflects ____. | Sunlight |
| Moon ____ -the different forms the moon takes in it's apperance from Earth. | phases |
| _____ -when the ____ is between the _____ and ____ and cannot be seen. | New moon moon Earth and Sun |
| _____ phases - more of the illuminated half of the moon that can be seen each night after the new moon. | Waxing |
| First visible slice of the moon is a _________. | Waxing crescent. |
| ______ phase- half of the lighted side of the moon is visible on the right side. | First quarter |
| ______- more than 1 quarter is visible. | Waxing gibbous |
| All of the moon's lighted side is visible during a ____________. | Full Moon |
| ______ phases- less of the illuminated half of the moon is visible after the full moon. | Waning |
| _____________ - starts after a full moon. | Waning Gibbous |
| Only half the moon's lighted side is visible during a ___________ phase. Left side. | Last quarter phase or 3rd quarter phase LLL |
| The last visible slice before a new moon is called the ___________. | Waning crescent |
| The moon completes it's clcle of phases in about ____ days instead of ______ days because it is keeping up with Earth's _________ around the Sun. | 29.5 27.3 revolution |
| _________- when earth or moon casts a shadow on the other. | Eclipses |
| ________- the moon moves directly between the Earth and sun, shadowing part of earth. | solar eclipse |
| Under the ________, or darkest part of the shadow, a total _____ eclipse occurs. | umbra, solar |
| A partial ____ eclipse happens in the lighter shadow on Earth's surface called the ______. | solar, penumbra |
| A total _______ eclipse is visible only on a small area of _______. | solar, Earth |
| ________- when Earth's shadow falls on the moon. | Lunar eclipse |
| If the moon is completely in Earth's umbra, a ___ lunar eclipse occurs. | total |
| _____ lunar eclipse-when only part of the moon moves into Earth's umbra, or the moon is totally in the penumbra. | Partial |
| A total Lunar eclipse is visible on the __ side of Earth when the night is _____. | nighttime, clear |
| The moon's surface has many depressions or ________, formed from meteorites, asteroids, and comets. | craters |
| Cracks in the moon's crust caused lava to fill large craters, forming _____ or dark, flat areas. | maria |
| Igneous maria rocks are 3 to 4 ______ years old, indicating craters formed after the surface cooled. | billion |
| Data from ________ suggest that under the moon's crust might lie a solid mantle, then a partly molten mantle and a solid ___. | moonquakes, core |
| ________ of moon's origin- the moon was formed billions of years ago from Earth material thrown off when a large object collided with Earth. | Impact Theory |
Created by:
Kass4