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Season/Moon Phases

Vocab for 8th Grade Science, Ms. Dethloff, 6th period

QuestionAnswer
Seasons Short period of climatic change in an area caused by the tilt of the earth's axis as Earth revolves around the Sun
Direct Light When the light from the light source falls on an area without interference and it does not get reflected or refracted
Indirect Light When the light from a light source is brought by the means of reflection or refraction or some other ways to an area and
Earth's Tilt The leaning or inclining of Earth's Axis on an angle
Orbit The curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.
Revolution (revolve) The orbital motion of one body, such as a planet or satellite, around another.
Axis Imaginary vertical line that cuts through the center of a celestial body and around which the celestial body spins (causes seasons).
Rotation (rotate) Spinning of a planet on its axis which causes night and day.
Solstice Twice-yearly point at which the sun reaches is greatest distance north or south of the equator.
Equinox 1.The time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length.
Moon Phases (Space View) How you see the lighting of the moon from outer space, the lit side is always facing the sun and there are not really any changes in how you see the lighting.
Moon Phases (Earth View) How you see the Moon's Lighting from Earth, the lighting changes and the moon always looks different, because it is circling you so phases are created.
Gibbous A moon phase which is more than half but less than fully illuminated.
Crescent A crescent moon is a moon phase which is part way between a half moon and a new moon, or between a new moon and a half moon.
Waxing The moon at any time after new moon and before full moon, so called because its illuminated area is increasing.
Waning The moon at any time after full moon and before new moon (so called because its illuminated area is decreasing).
Created by: s0607683
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