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Seasons-Ms. Meyer

Seasons vocabulary & learning objectives

Astronomy The study of moon, stars, and other objects in space.
Axis Imaginary line that passes through center of Earth.
Rotation Earth spinning on its axis.
Revolution The movement of the Earth around the Sun.
Orbit The Earth's path as it travels around the Sun.
Solstice June 21st is summer solstice, the longest day of year, December 21st is winter solstice, the shortest day of year.
Equinox Equal amounts of day and night. When sun's rays point at the equator. Occurs in Spring March 21st, & Fall Sept. 21st.
Vernal Equinox March 21st Spring Equinox.
Autumnal Equinox Sept. 21st Fall Equinox.
Tropic of Cancer 23.5 degrees north of equator and is where sun's rays point during summer solstice June 21st.
Tropic of Capricorn 23.5 degrees south of equator and is where sun's rays point during winter solstice Dec. 21st.
23.5 degrees The tilt of Earth on axis.
24 hours Amount of time it takes Earth to rotate around once on its axis.
Daytime The point on Earth which is facing Sun.
Nighttime The point on Earth which is facing away from Sun.
365 and 1/4 days The amount of time it takes the Earth to orbit the Sun.
Seasons Result from Earth's tilt on its axis and its orbit around Sun.
Seasons are a result of... The amount of sunlight the region receives.
Summer Tilt towards the Sun.
Winter Tilt away from Sun.
Shortest day of year. Winter Solstice-Dec. 21st. First day of winter.
Longest day of year. Summer Solstice-June 21st. First day of summer.
Autumnal Equinox Sept. 21st Equal amounts of day & night. First day of fall.
Spring Equinox March 21st. Equal amounts of day & night. First day of spring.
Created by: meyerli