If the cup of cold water is not exposed to air, no condensation will form. The fast-moving molecules of water vapor transfer their energy to the side of the cup which is cooler. This causes the water ...

During that time, have a class discussion about evaporation and condensation. It evaporates into the air. Show the animation Evaporation. Explain that water molecules leave the liquid state and form ...

This experiment demonstrates how clouds form in our atmosphere through the interaction of warm and cold air. You'll create a miniature version of this natural process ...

Florida bill would create hotline for people to report chemtrails. Bill sponsor Sen. Ileana Garcia also filed a bill to ban adding fluoride to water.

The heat released from the condensation of water vapor makes this rising air extra buoyant, which causes spring and summer clouds to literally explode into the sky. The big ones can grow to 10 ...

Contrails are human-made clouds. They are streams of condensation left behind from airplanes and rockets. Exhaust leaves water vapor that freezes into tiny crystals in the cold troposphere.