Posts Tagged ‘leaves’



Think About It Thursday….

     Why Do Leaves Fall Off Trees? During that process, the trees lose a lot of water – so much water that when winter arrives, the trees are no longer able to get enough water to replace it. And so now we know. Leaves fall—or are pushed—off trees so that the tree can survive the winter and grow new leaves in the spring […]

Think About It Thursday: Why Do Leaves Fall Off Trees?

When winter approaches, our part of Earth receives less sunlight, and the air grows colder, this season is commonly known as “Fall”.   When these changes happen, trees prepare for winter. People believe that leaves die on the tree and the wind blows them off the tree. According to Peter Raven, president of the Missouri […]

Think About It Thursday: Why Do Leaves Change Colors?

Leaf color comes from pigments. Pigments are natural substances produced by leaf cells. The three pigments that color leaves are: chlorophyll (which produces the green color) carotenoid(produces yellow, orange, and brown colors) anthocyanin (produces a red color) Chlorophyll is the most important of the three. Leaves contain chlorophyll in order to use the sunlight to […]