SOL 6.8, seasons, lunar terms
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each of the black spaces below before clicking
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| atmosphere | the layer of air that surrounds the Earth like a blanket, is made up of a mixture of gases plus small amounts of tiny solids and liquids, and keeps temperatures on Earth just right to support life.
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| axis | the imaginary line that Earth spins around and whose tilt is responsible for Earth's seasons
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| eclipse | an event that happens when the moon passes between the sun and Earth(solar eclipse) or Earth passes between the sun and the moon (a lunar eclipse), producing a shadow
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| magnetic field | the area around a magnet in which magnetic forces act
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| phase | the change in appearnace of the moon when seen from Earth, depending on the position of the moon, the sun, and Earth in space.
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| revolution | the movement of Earth in a regular, curved path around the sun, which takes one year to complete.
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| rotation | the spinning of Earth on its imaginary axis, which occurs once every 24 hours and causes day and night as Earth rotates toward or away from the sun.
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| tides | the changes in the level of ocean water during the course of a day-most places have tow hight tides and tow low tides daily; one cuase of tides is the pull of gravity between Earth, the moon, and the sun
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| waning | the change in the moon's appearance when its seems to be getting smaller from night to night
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| waxing | the change in appearance of the moon when it appears to be getting larger from night to night.
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