在《为什么树叶会变色？》中，作者通过简单易懂的语言，引导小读者观察树叶在不同季节中的变化，探讨背后的科学原因。随着季节的交替，树叶在阳光、温度变化的影响下，颜色也会随之改变，变得从嫩绿到金黄再到火红。这些变化不仅美丽动人，更蕴含着丰富的科学知识。

Read Dr. Don Leopold's Guide to Fall Colors in Upstate New York with color images of dozens of trees and shrubs. Every autumn we revel in the beauty of the fall colors. The mixture of red, purple, ...

Every autumn we revel in the beauty of the fall colors. The mixture of red, purple, orange and yellow is the result of chemical processes that take place in the tree as the seasons change from summer ...

The physical signs of fall begin when the leaves change color and start to fall from the trees. This transformation is triggered by shorter daylight hours and cooler temperatures. The process of ...

AUSTIN (KXAN) — It’s that time of the year when we look to the fall foliage to become more colorful, but with climate change affecting so much, the question that comes to mind is whether it ...