Why Do Leaves Move Even When There’s No Wind? | RapidSmartFacts

Have you ever noticed leaves shaking or fluttering even when the air feels completely still?

It’s not your imagination — and there’s real science behind it. Let’s start with

the most common cause: tiny air currents that you can’t feel.

Even on calm days, warm air rises from the ground as sunlight heats

the surface. As that warm air lifts, cooler air nearby moves in to

replace it — creating mini breezes. These “ microcurrents” are too gentle for us to feel,

but leaves are light enough to respond instantly. Another reason leaves move is because

trees constantly release water vapor. When water evaporates from the leaf surface,