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Sun/Earth/Moon vocab

vocabulary from the test study guide

QuestionAnswer
Rotation The spinning of the Earth on it's axis.
Revolution Where an object goes all the way around a fixed point. example: earth goes all the way around the sun.
Seasons Different climate changes caused by the Earth's tilt on it's axis.
Axial Tilt The Earth's tilt on the imaginary axis at 23.5 degrees with it's axis always pointed at Polaris.
Lunar Eclipse The moon has a shadow from the Earth and the Earth is in front of the sun.
Solar Eclipse Where the moon is in the way of the sun's rays. The moon is black.
Neap Tide Remember knee
Spring Tide All sun moon and earth align
New Moon The moon is all dark. This is the first stage of a moon's cycle.
Full Moon Where nothing is covering the moon and it is completely lit up.
First Quarter 2nd step of the moon's cycle showing half of the moon with the white on the right.
Third Quarter The 7th step of the moon's cycle before a waning crescent showing half of the moon with the white on the left.
Waxing Getting bigger.
Waning Getting smaller
Waxing Crescent The first step of the moon's cycle only showing a sliver of the moon. (white on right)
Waxing Gibbous The moon is in the shape of a "hump" with the white on the right. More than a 1st quarter less than a full moon.
Waning Crescent The last step of the moon's cycle before the new moon.
Waning Gibbous The moon is in the shape of a "hump" with the white on the left. More than a 3rd quarter less than a full moon only showing a sliver of the moon. (white on left)
wave Ocean waves and height
Tide Different heights of waves
Umbra The closest part of the shadow on the Earth caused by the Moon
Penumbra The area outside of the umbra
Total Eclipse Where the moon is blocking the sun completely.
Partial Eclipse Where the moon is blocking part of the sun.
Polaris The star that the Erath's axis is always pointed to.
Created by: Rachel.Hardy
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