Earth's orbit around the sun helps describe the annual change of seasons.
Where once cultures used the moon to base their calendars on, it became more accurate to base them on the sun because those regular motions helped keep track of time much better.
Brainpop:
http://www.brainpop.com/science/weather/seasons/http://www.brainpop.com/science/earthsystem/solsticeandequinox/
http://www.brainpop.com/games/chronopticon/
http://www.youtube.com/watch?v=_0zKV6j1MDg
No comments:
Post a Comment