Have you ever noticed that puddles seem to dry up faster on a warm day than on a cool day? Why does that happen and where do you think the water goes? Use your scissors to cut out two squares of brown ...

How might that change the experiment? Have you heard of the water cycle? In the water cycle, the sun heats liquid water and turns it into a gas called water vapor. This process is called evaporation.

Evaporation close evaporationThe process in which a liquid changes state and turns into a gas. is used to separate a soluble solid from a liquid. For example, copper sulfate is soluble in water ...

The evaporation process is a phenomenon ... adulteration of milk with synthetic milk. During the experiment, for large-scale analysis, the water and synthetic milk mixed evaporated ring patterns ...

The water cycle is the journey water takes as it moves from the land to the sky and back again. It follows a cycle of evaporation, condensation, precipitation and collection. The sun heats up ...