Relier Pairs Seasons, Solstices, EquinoxesVersion en ligne Complete this vocabulary activity to review terms from last week and practice vocabulary from this week! You can play this game an unlimited number of times, so you should be completing the task over and over until you get them all correct! par Maria Thomas _ Staff - DillardDriveMS 1 The length of Earth's revolution 2 3 Half of a sphere, or half of the Earth 4 June 21st 5 6 The length of Earth's rotation 7 September 23rd 8 The most northern and southern ends of the Earth where the Earth’s axis of rotation meets the surface 9 To spin or turn 10 An imaginary line that runs through the center of the Earth 11 The Earth's rotation 12 When the sun reaches its greatest distance north or south of the equator twice a year 13 To go around 14 The elliptical path of the Earth or a planet 15 December 21st 16 March 21st 17 An imaginary line that runs (horizontally) around the center of the Earth. The Earth has the greatest diameter at this point. It divides the Earth into the Northern & Southern hemispheres. 18 The Earth's revolution 19 This happens twice a year when neither hemisphere is tilted toward or away from the sun. The noon sun is directly above the equator. Axis Equator Spring equinox 24 hours Hemisphere This picture shows the Earth's rotation. A process that contributes to the pattern of changing seasons Summer solstice Rotation Poles Equinox Winter solstice 365 days Orbit Revolution Autumnal equinox A process that causes the day/night cycle Solstice This picture shows the Earth's revolution.