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Earth's Seasons

Terms related to Earth's seasons

TermDefinition
Equinox Two times of year when the day and night lengths are about 12 hours. Equal day and night, sun shines on equator.
Vernal equinox This occurs in March and marks the beginning of spring in North America. Also called spring equinox.
Autumnal equinox This occurs in September and marks the beginning of fall in North America. Also called fall equinox.
Solstice Two times of year when the day or night lengths are at their longest or shortest. The Earth is either tilted towards or away from the sun at 23.5 degrees
Why are winter temperatures lower (cold)? The days are shorter and you receive indirect light from the sun causing cooler temperatures.
Summer Whichever axis is tilted toward the sun is having summer. Sun shines on the Tropic of Cancer.
Winter Whichever axis is tilted away from the sun is having winter. Sun shines on the Tropic of Capricorn.
Spring The season after winter, before summer. Sun shines on the equator.
Autumn The season after summer, before winter. Sun shines on the equator.
axis An imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates
revolve To move in an orbit around another body, gives us our year.
rotate to spin on an axis, gives us day and night
Tilt Leaning toward or away from another object
Orbit The path an object takes when revolving around another object
Hemisphere A half of a sphere
Equator an imaginary line drawn around the earth equally distant from both poles, dividing the earth into northern and southern hemispheres and constituting the parallel of latitude 0°.
Seasons The result of the tilt of Earth's axis and the yearly revolution of the Earth around the sun
Arctic Circle The line of north latitude where the earth will have 24 of daylight or darkness on the solstice.
Antarctic Circle The line of south latitude where the earth will have 24 hours of daylight or darkness on the solstice.
Latitude lines that run north or south or the equator
Created by: user-1480687
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