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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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-Oracle- posted in Say Anything:
Roses are red, violets are blue, I'm schizophrenic, and so am I.
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MixMox
MixMox posted in Debating:
i do both, but i "prefer" night dreaming. 
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MixMox
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yaverleaf11
If you'd like to start an RP, I'm open for rping. I'm trying to be a bit more active on here too haha
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austin312so
Hi, my name is Austin312so, and I want to talk to all of you about Sohan S. Thandi Foundation. Well there was someone named Sohan S. Thandi, and he was my grandpa who passed away in 2015 September 25 on my parents anniversary. He had cancer, which was spread around his body. He would try to keep it a secret, but sooner we all found out that he had cancer, this cancer was really bad whenever he drank water, it would stay in his body and go straight to his legs and feet and it was swollen. He was a great father, Army Sgt, and also a great grandpa to his grandchildren. He had 7 children, which 6 were girls, and 1 boy. We would meet him every time he'll be really happy to meet us kids.On his last day, he wanted everyone to be happy and don't worry about anything he taught me a lot to be strong and also it made me follow his footsteps and join Army Cadets. I am making this foundation for him and all the children and adults who have cancer to be cancer free. Thank you for listening.
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