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Moon phases, Eclipses, and Tides

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
show None of the moon is visible.  
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show Exactly half of the Earth-facing moon is visible. The visible part of the moon is growing  
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Full Moon   show
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Third Quarter   show
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show The visible moon is getting smaller  
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show The visible moon is getting larger  
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Gibbous   show
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Crescent   show
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show The moon passes through the Earth’s shadow. The order is sun, Earth, moon  
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show The moon moves between the sun and the Earth. The order is sun, Earth, moon  
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show The outer part of the sun that is only visible during a solar eclipse  
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Gravity   show
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Tides   show
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High Tides   show
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Low Tides   show
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show Tides that have the smallest daily tidal range. They happen when the sun, Earth, and moon form a 90 degree angle.  
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Spring Tide   show
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show Less than half of the left side of the moon's circle is lit. The lighted part is growing smaller.  
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show Less than half of the right side of the moon's circle is lit. The lighted part is growing larger.  
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show More than half of the right half of the moon's circle is lit, but the moon is still less than full.  
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show The moon's left side is less than full but more than a quarter.  
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show The dark inner shadow of an object where the light is totally blocked  
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Penumbra   show
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Created by: Marquart
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