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Season Vocabulary

Season Vocabulary. Seasons – A pattern of temperature changes & other weather trends over a year. Season Vocabulary. Equato r – Imaginary line which separates the Northern from the Southern Hemisphere

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Season Vocabulary

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  1. Season Vocabulary • Seasons – A pattern of temperature changes & other weather trends over a year.

  2. Season Vocabulary • Equator – Imaginary line which separates the Northern from the Southern Hemisphere • Earth rotates around an imaginary line running through its center called an axis of rotation. • The ends of the axis are the north and south poles. • Earth turns/rotates on its axis once in 24 hours.

  3. Season Vocabulary • The side of the Earth in the sunlight is called daytime. • The side of the Earth in the darkness is nighttime. • Earth’s rotation is reason for day & night • The Earth is tilted at about a 23 ½ degree angle from its orbit around the Sun. • Earth’s tilted axis and orbit cause seasons

  4. Season Vocabulary • A revolution is the motion of one object around another once. • It takes one year for Earth to make one revolution around the Sun or 365 ¼ days. • Leap year every 4 years – add up ¼ days • Earth travels in an elliptical orbit around the sun. It resembles an elongated oval-shape. Out of all the planets, Earth’s orbit is the closest to a perfect circle. • Earth is the 3rd planet from the sun.

  5. Season Vocabulary • Solstice – Period of time when one hemisphere gets its maximum area of sunlight, while the other hemisphere gets its minimum amount; the time of year when days are either longest or shortest and the angle of sunlight reaches its maximum or minimum. Winter & Summer – usually 21st of December and June • Earth is closest to the sun in December but Northern Hemisphere is tilted away – winter solstice – colder temperatures/shorter days • Earth is furthest from the sun in June but Northern Hemisphere is tilted toward the sun – hotter temps./longer days – summer solstice

  6. Season Vocabulary • Equinox – Period of time in an orbit in which sunlight shines equally on the Northern Hemisphere and the Southern Hemisphere; a time of year when daylight and darkness are nearly equal for most of the Earth. (Happens twice a year). Spring & Fall or March & September • Equinox means literally – “equal night”

  7. Season Vocabulary • The seasons are the result of the tilt of the axis of the Earth – Not the distance of the Earth from the Sun!

  8. Season Vocabulary Together the tilt and the angle of sunlight are the reason for seasons!

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