Earth's Atmosphere and Its Seasons
Earth-Sun Relationships Worksheet

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Name:_____________________________________________________



  1. Rotation, one of Earth's motions, is   ___________________________________________________.


  2. Rotation produces   ___________________________________________________   and takes about

    _____________   hours.


  3. The circle of illumination divides ________________________________    from    ________________________________ .


  4. The second motion of Earth is  ____________________________________________________, the movement of

    Earth  ______________________________________. It takes  ______________  days or one  __________________.


  5. What is an important reason for the seasonal changes in the angle of the Sun and the length of daylight?

    ____________________________________________________________________________________________________

    ____________________________________________________________________________________________________


  6. In the Northern Hemisphere, what is the position of Earth in relation to the Sun on December 21 or 22?

    ____________________________________________________________________________________________________


  7. The direct rays of the Sun migrate from  _________________  latitude to  _________________  latitude.


  8. When are the direct rays of the Sun striking the Tropic of Cancer in the Northern Hemisphere?

    ____________________________________________________________________________________________________


  9. In the Southern Hemisphere, what date represents the winter solstice?   _________________________________________.


  10. On what dates do the equinoxes occur?

    ____________________________________________________________________________________________________


  11. The Sun's vertical rays strike at what latitude during an equinox?    ________________________________


  12. In a Southern Hemisphere winter, the Earth leans      toward      or      away from    (circle one)    the Sun.


  13. On June 21 or 22, the angle of the Sun's noon rays at the Tropic of Capricorn are at what latitude?

    ________________________________________________________________


  14. On what day are there 24 hours of daylight in the region within the Antarctic Circle?

    ________________________________________________________________


  15. There are equal hours of daylight and darkness during      an equinox      or        a solstice      (circle one).