Wednesday, March 20, 2013
Monday, March 11, 2013
Want to learn more about Newton's Three Laws of Motion....watch these
1. Funny videos on each law with good flash animation.
2. Videos to explain the laws
3. Brain pop video on newton’s three laws of motion
4. Animated series on motion and forces
5. Word search print this pdf – laws of motion
Friday, February 15, 2013
Cause of the Seasons
Great answer here
http://www.loc.gov/rr/scitech/mysteries/seasons.html
Because the earth's axis is tilted.
It is all about the tilt of the Earth's axis. Many people believe that the temperature changes because the Earth is closer to the sun in summer and farther from the sun in winter. In fact, the Earth is farthest from the sun in July and is closest to the sun in January!
During the summer, the sun's rays hit the Earth at a steep angle. The light does not spread out as much, thus increasing the amount of energy hitting any given spot. Also, the long daylight hours allow the Earth plenty of time to reach warm temperatures.
During the winter, the sun's rays hit the Earth at a shallow angle. These rays are more spread out, which minimizes the amount of energy that hits any given spot. Also, the long nights and short days prevent the Earth from warming up. Thus, we have winter!
For more print resources...
Search on "astronomy," "earth," "seasons," "summer," "summer solstice," "weather," "winter," or "winter solstice. in the Library of Congress Online Catalog.
http://www.loc.gov/rr/scitech/mysteries/seasons.html
Because the earth's axis is tilted.
It is all about the tilt of the Earth's axis. Many people believe that the temperature changes because the Earth is closer to the sun in summer and farther from the sun in winter. In fact, the Earth is farthest from the sun in July and is closest to the sun in January!
During the summer, the sun's rays hit the Earth at a steep angle. The light does not spread out as much, thus increasing the amount of energy hitting any given spot. Also, the long daylight hours allow the Earth plenty of time to reach warm temperatures.
During the winter, the sun's rays hit the Earth at a shallow angle. These rays are more spread out, which minimizes the amount of energy that hits any given spot. Also, the long nights and short days prevent the Earth from warming up. Thus, we have winter!
 Related Web Sites |
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 Further Reading |
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For more print resources...Search on "astronomy," "earth," "seasons," "summer," "summer solstice," "weather," "winter," or "winter solstice. in the Library of Congress Online Catalog.
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