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Rotate, Rotation To spin on an axis or the spinning of 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.
Tilt The slant of Earth’s axis, which is 23.5 degrees from vertical compared to Earth’s orbital plane around the Sun.
Revolve, Revolution Move in an elliptical path around a center.
Orbital Path The gravitational-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.
Hemisphere Earth and the celestial sphere can be divided into northern and southern or eastern and western hemispheres. (Half of a sphere.)
Direct, and Indirect Direct- the shortest possible way without intermediates. Indirect- ways other than the shortest way possibly involving intermediates.
Summer Sun's rays hit the Earth at a more direct angle
Winter Sun's rays hit the Earth at an extreme angle, and the days are very short
Equator imaginary line drawn around the earth equally distant from North Pole and South Pole
Sun Medium Star that Planets including Earth orbits around.
Southern Hemisphere South of Earth where summer first starts.
Northern Hemisphere North of Earth where winter first starts.
Created by: s601111