Transpiration

Transpiration is when plants lose water from their leaves and stems through a process called evaporation. Just like when you sweat, plants also sweat when they get too hot.

Plants have tiny holes on their leaves called stomata that let air in and out. These holes are like little doors that are opened and closed by the plant. When the plant needs to cool down, it opens these doors (stomata) to let air in. This air has water vapor in it (like steam from a pot of boiling water) and this water vapor mixes with the air and evaporates (changes from a liquid to a gas) into the atmosphere.

This process is important because it helps the plant stay cool and hydrated. It's like when you drink water on a hot day to stay cool and hydrated. When the plant loses water through transpiration, it pulls more water up from its roots through a long straw-like structure called xylem.

So, plants are like big straws. They drink water from the soil and then use it to keep themselves cool through transpiration. It's a very important process that helps plants survive in their environment.