domingo, 22 de febrero de 2015

EARTH´S MOVEMENTS
  • Rotation: movement of the Earth about it axis.
  • Revolution: movement of the Earth around the Sun.
The rotation of the Earth causes day and night. It takes 24 hours to make one complete rotation.




The revolution of the Earth takes 365 days, one year.
The four seasons are caused by the rotation on a tilted axis en the revolution around the Sun.



http://studyjams.scholastic.com/studyjams/jams/science/solar-system/day-on-earth.htm

http://studyjams.scholastic.com/studyjams/jams/science/weather-and-climate/seasons.htm



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