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Ch8 L2 Earth Moon
Question | Answer |
---|---|
Moon's appearance and shape as seen at a particular time | phases |
The time from one phase of the Moon until the next time the Moon reaches the same phase is ____ days. | 29.5 |
During a ____ moon the entire moon can be seen | full |
During a _____ moon the moon cannot be seen from Earth. | new |
Half the moon is lit during these two phases | 1st and 3rd quarters |
During these phases the moon is lit up on the right side | waxing |
During these phases the moon is lit up on the left side | waning |
This phase appears as a thin slice on the edge of the moon | crescent |
This occurs when one object moves in front of another object in space | eclipse |
A _______ eclipse occurs when the moon passes directly between the Sun and the Earth | solar |
A ______ eclipse occurs when the Moon moves into Earth's shadow and is no longer reached by direct sunlight | lunar |
Where the light is completely blocked. | umbra |
The area where light is NOT completely blocked | penumbra |
The pull of gravity between the Moon and Earth and between the Sun and Earth causes _______ | tides |
This tide occurs when the Sun Earth and Moon are in a straight line. It causes the highest tides and the lowest tides | Spring |
This tide have the smallest range between low and high tides. The Sun and Moon pull in different directions in an L shape. | Neap |
This colorful moon happens when there are two full moons in one month. | blue |
The main cause for tides on Earth's oceans is | Moon's gravity |
The first who walked on the Moon was | Neil Armstrong |