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Why Do Leaves Change Color?

The arrival of fall brings cool new back-to-school clothes, the return of football and hockey and beautiful chameleon leaves. Are trees as fashion conscious as the celebs or is there more to this color change? Kidzworld finds out!


Autumn Leaves - Photosynthesis

Photosynthesis is the process of turning light energy into chemical energy by storing it as sugar. During the spring and summer, trees can make plenty of food because of the long hours of daylight. The process of photosynthesis takes place in the chloroplasts (food making centers), specifically using chlorophyll (the green pigment involved in photosynthesis).


Autumn Leaves - Goodbye Green Trees

During winter, there's not enough water or light for photosynthesis to take place. The trees have to live off the food they stored during the summer. The food-making factories start shutting down and the green chlorophyll disappears from the leaves. When the bright green fades away, the yellow and orange colors - that have always been underneath - begin to show. They've been there all along they've just been covered up by the green chlorophyll. Eventually even those colors fade and the brown leaves start to drop off.


Autumn Leaves - Did U Know?

  • The best places to see vibrant autumn leaves are in the eastern United States and in southeastern Canada.
  • One large tree can lift up to 100 gallons of water out of the ground and discharge it into the air in one day.
  • Trees first appeared on Earth long before the dinosaurs did - about 400 million years ago.
  • Trees combat the greenhouse effect and slow the effects of global warming. They soak up carbon dioxide and exhale oxygen for us to breath.
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Abbergrl
Abbergrl posted in General:
stuff
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morning_flower
morning_flower posted in General:
i have a crush but all we do is smile and say hi
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Crystal-Coldstone
Well, I wanna know is it?
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rainbowpoptart
Although I think a tree stump has more brains than the two of them combined, I would rather have Trump in office. I really dislike the guy, but his ideas are more my taste than Clinton's. He also seems sturdier than she is, mentally I mean (and physically too ofc but that doesn't matter).  I also gained more respect for Donald Trump over the past week or two.  I don't know how many of you are aware, but Louisiana was recently affected by a very bad flood. As natural disasters do, it destroyed housings and people's personal belongings and took lives. The damage to them was nowhere near as bad as that, but some of my family was affected by this flood, which I guess could give me a bit of a bias.    Donald Trump personally went down to Baton Rouge and handed out toys for children, food, and clothes, among other things. He also made a contribution fund to the state's flood relief charity. What did Hillary Clinton do? Go on Jimmy Kimmel and make fun of Trump quotes. Even if it was only to give himself a better name, the fact that he was so generous enough to provide for these poor people when Clinton, and even Obama, did not would definitely earn my vote if I were legal enough to participate in elections (which I hate to say because I don't care for both Trump and politics in general).       Though, I'd rather my cat be president. (': #VoteLily2016
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Pink_Cool_Girl
Pink_Cool_Girl posted in General:
"PunMaster" wrote:Sister Location ♥️
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