Reasons for the Seasons Crozzword Puzzle

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Across
  1. 2. The imaginary line connecting the NP and SP. This line is the reason we have seasons. It makes Earth tilt and is tilted at a 23.5 degree angle.
  2. 3. These come twice a year and mark when the Northern Hemisphere and Southern Hemisphere both have 12 hours of day and night. The dates this happens on is March 21st and September 21st.
  3. 6. This causes day and night. A full one of these takes 24 hours. It is the spinning of Earth on its axis.
  4. 9. A half of Earth that is split into Northern and Southern. The Northern one of these has summer when the other Southern half has winter.
  5. 12. This area of land is has summer on December 21st and is south of the Antarctic Circle. Its angle is 90 degrees S.
  6. 13. A shape in which is similar to a circle, but flattened on the bottom and top. The shape of Earth's orbit is this.
  7. 14. Sunlight is _____ when the sunlight is spread over a large surface and makes the energy less concentrated. This makes the temperature go down.
Down
  1. 1. Sunlight is ____ when the sunlight hits a surface straight on and the energy is very concentrated. This makes the temperature high.
  2. 4. This is an area of land that always points to the same direction-the North Star. This area of land is north of the Arctic Circle. This area of land has summer on July 21st. Its angle is 90 degrees N.
  3. 5. This comes twice a year. One is on June 21st, commonly known as the longest day of the year (first day of summer). Another one is on December 21st, commonly known as the shortest day of the year (first day of winter.)
  4. 7. A full one of these takes about 365 days, or one year. The Earth makes a full ___ around the sun every year.
  5. 8. This organizes the year into weeks, months, and years. These were established by the motions of the moon and Earth.
  6. 10. The shape of the Earth. One of the main reasons the Earth has seasons. This makes the sunlight hit at direct and indirect angles.
  7. 11. The Earth's path around the sun. This path is slightly elliptical, and brings the planet closest to the sun in January.
  8. 15. The line around Earth's middle. This line usually has a very high temperature because it is always getting direct sunlight. Its angle is 0 degrees.