Sunday, May 15, 2011

Reason for the seasons

Reasons for the seasons!

How does the tilt of earths axis affect the light received by earth as it revolves around the sun? 
What causes the seasons???

Hypothesis: The reason there are different seasons because the earth rotates and there are different temperatures around the earth. 

  1. If the Northern Hemisphere is winter, then on the southern part of the world it will be the most sunny and hot.The eastern and western parts will be a bit sunny as well. The are where the most concentrated light is at the north pole it almost 24 hour sunlight. 
  2. During the summer and winter the equator is always getting some sort of light. The North pole on the other hand in summer it gets lots of sun but in the winter it doesn't get any sun at all. 
  3. If the squares are getting longer i would infer that more heat will be able to go into one square unlike if it was shorter. 
  4. The place where it is constantly coolest is the South pole because when we where doing the seasons lab you could see on the ball that the south pole was not getting a lot of light from the flash light. The warmest place is the equator or places close to it.
  5. The time when the tooth picks shadow will be longest is when it is summer because the tooth pick is pointed towards the sun so it will have a longer and bigger shadow. In winter the tooth pick will be the shortest because the tooth pick is not really being recognized by the rays of the sun. 
  6. Well if the sun is at some particular point where it is pointed to the sun. So that the sun can send its rays and then it will hit the earth straight on but then there is when the sun is not pointed at the sun and then the rays hit the earth but hit right off.
Analysis:

I think that my Hypothesis for this unit is correct and i think that we had a clear idea on what we where doing and how we did it. This lab taught me a lot about the earth and out planets how they move, how they interact with each other and how they all come together to build up space. 




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