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Vocab 2

Science

QuestionAnswer
Seasons Each of the four divisions of the year
Direct Light Light that goes directly to the subject or area in front of it
Indirect Light Usually defined by reflecting light
Earth's Tilt Earth is on a tilted axis which is about 23.5 degrees
Orbit The curved path of a celestial object or spacecraft around a star, planet, or moon, esp. a periodic elliptical revolution.
Revolution The motion of an object around a point, especially around another object or a center of mass.
Axis An imaginary line about which a body rotates
Rotation The action of rotating around an axis or center
Solstice Either of two times of the year when the sun is at its greatest distance from the celestial equator.
Equinox Either of two points on the celestial sphere at which the ecliptic intersects the celestial equator.
Moon Phases (Space View) A lunar phase or phase of the moon is the appearance of the illuminated (sunlit) portion of the Moon as seen by an observer, usually on Earth.
Moon Phases (Earth View) A lunar phase or phase of the moon is the appearance of the illuminated (sunlit) portion of the Moon as seen by an observer, usually on Earth. (Couldn't find a difference)
Gibbous Having the observable illuminated part greater than a semicircle and less than a circle.
Crescent The curved sickle shape of the waxing or waning moon
Waxing Have a progressively larger part of its visible surface illuminated, increasing its apparent size.
Waning Have a progressively smaller part of its visible surface illuminated, so that it appears to decrease in size.
Created by: l0806002
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