Around the globe, hotter temperatures stoked by climate change are increasing the odds of both severe drought and heavier ...

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 ...

The mountain range straddling California and Nevada is the target of a storm that may offer a late-season boost to the West Coast’s water supply.

Show the animation: Water Dissolving Salt. Explain to students that water molecules attract ... The water molecules that evaporate become a gas called water vapor. Only the water evaporates, leaving ...

The up and down motion of the piston in the cylinder is transmitted by the beam to the piston in the water pump. The steam cylinder piston goes down under the pressure of steam and differences in ...

Jezero Crater on Mars was once home to a lake, delta and rivers. See an animation of what it could have looked like when water poured into the crater billions of years ago and present day.

Publications of the Astronomical Society of the Pacific, Vol. 116, No. 823 (September 2004), pp. 876-885 (10 pages) ABSTRACT Water vapor, while usually a small contributor to the atmospheric ...