Precipitation is the process where water falls from the clouds to the Earth. It occurs when water vapor in the air cools down and condenses into droplets, forming clouds. When these droplets combine and become heavy, they fall as rain, ...

The water level in a closed container remains constant because the water cannot escape. In a closed container, no water can evaporate or be added from outside. The amount of water stays the same, so the water level does not ...

When water vapor cools, it changes into tiny water droplets, a process called condensation. The cooling causes the water vapor to lose energy, and as it cools, it turns from a gas back into a liquid. This is how clouds, ...