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Seasons Vocab

Vocabulary for 8th Grade Pre-AP Seasons Unit

TermDefinition
Rotation To spin on an axis or the spinning of the Earth on its axis that causes day and night to occur.
Axis The imaginary line through the Earth that extends from the north pole to the south pole and id the center of the Earth's rotation.
Tilt The slant of Earth's axis, which is 23.5 degrees from vertical compared to Earth's orbital plane around the Sun. As a result, the North Pole always points toward the North Star.
Revolution Move in an Elliptical path around a center
Orbital Path The gravitationally-curved path of an object around a point in space
Seasons The four natural divisions of the year based on changes in temperature due to the varied amounts of sunlight (both intensity and number of daylight hours received) caused by the tilt of Earth during revolution.
Hemisphere Half of a sphere; the Earth and the Celestial sphere can be divided into norther and southern or eastern and western hemispheres.
Direct/Indirect Direct: The shortest possible way without intermediates. Indirect: any way other than the shortest way, possibly involving intermediates. Temperatures are higher where the Sun'd rays are direct and lower where the Suns's rays are indirect
Created by: Ayman_Moton