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The Spring Equinox. Questions. By: Saviz Safizadeh. Name the 3 closest planets to the sun. -----------------------------------------. What is the “axis of rotation”?

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Questions

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  1. The Spring Equinox Questions By: Saviz Safizadeh

  2. Name the 3 closest planets to the sun.-----------------------------------------

  3. What is the “axis of rotation”? --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  4. Complete this sentence:Day and night is caused by --------------------------------------------------------------------------------------------------------

  5. . When scientists say the earth orbitsor revolves around the sun, what do they mean? ---------------------------------------------------------------------------------------------------------------------------------------------------------

  6. * How long does it take the Earth to fully orbit the Sun? ------------------------------------------------------------ * What is the speed of the Earth? --------------------miles/hr -------------------Km/hr

  7. Is the Earth’s axis tilted? ----------------------- • What is the angle? -------------------------------

  8. Name 2 reasons why seasons change:a) ----------------------------------b) ----------------------------------

  9. Complete these sentences: On the first day of Spring … 1. the Sun shines ________ over the ________. 2. there is an ________ numberof hours of ________ and _________.

  10. 1. Define: a) The vernal equinox: --------------------------------------------------------------------------------------------------------------------------- b) the automnal equinox: ----------------------------------------------------------------------------------------------------------------------- 2. When the northern hemisphere is in vernal equinox, what is happening in the southern hemisphere? -----------------------------------------------------------------------------------------------

  11. In the northern hemisphere, what is the position of the north pole with respect to the sun during the summer solstice?---------------------------------------------------------------------------------

  12. what is the position of the north pole with respect to the sun during the winter solstice?------------------------------------------------------------------

  13. How does nature change in spring? --------------------------------------------------------

  14. How do humans respond to the arrival of spring?-------------------------------------------------------------------------------------------------------------------Name a few spring holidays and celebrations. -------------------------------------------------------------------------------------------

  15. Bibliography: • http://www.1ststeps.org/Science/seasons.htm, October 12, 2007. • http://en.wikipedia.org/wiki/Solar_System • http://www.ecology.com/archived-links/earths-rotation/index.html • http://spiff.rit.edu/classes/phys301/lectures/sunmoon • http://www.zoomschool.com • http://upload.wikimedia.org/wikipedia/commons

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