Matching Pairs Seasons, Solstices, EquinoxesOnline version 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! by Maria Thomas _ Staff - DillardDriveMS 1 December 21st 2 An imaginary line that runs through the center of the Earth 3 Half of a sphere, or half of the Earth 4 To go around 5 This happens twice a year when neither hemisphere is tilted toward or away from the sun. The noon sun is directly above the equator. 6 The length of Earth's revolution 7 The elliptical path of the Earth or a planet 8 September 23rd 9 When the sun reaches its greatest distance north or south of the equator twice a year 10 11 The length of Earth's rotation 12 June 21st 13 The Earth's rotation 14 The most northern and southern ends of the Earth where the Earth’s axis of rotation meets the surface 15 The Earth's revolution 16 March 21st 17 18 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. 19 To spin or turn Axis Equator A process that causes the day/night cycle 365 days Rotation Revolution Poles 24 hours Spring equinox Solstice A process that contributes to the pattern of changing seasons Autumnal equinox Orbit Summer solstice Equinox Hemisphere Winter solstice This picture shows the Earth's rotation. This picture shows the Earth's revolution.