water: Media
Videos
An overview of the chemical structure of water molecules.
Video: © American Chemical Society (A Britannica Publishing Partner)
Researchers invent a device that can harvest drinkable water from desert air.
Video: Displayed by permission of The Regents of the University of California. All rights reserved. (A Britannica Publishing Partner)
Learn why fresh water and seawater have different freezing points.
Video: Contunico © ZDF Studios GmbH, Mainz; Thumbnail © Tatianatatiana/Dreamstime.com
A catalyst that splits water into hydrogen and oxygen.
Video: © American Chemical Society (A Britannica Publishing Partner)
Watch an experiment on dissolving the candy coating on M&M'S.
Video: © American Chemical Society (A Britannica Publishing Partner)
Overview of water moving through the hydrologic cycle, or water cycle: it evaporates...
Video: Encyclopædia Britannica, Inc.
Learn about the role of photosynthesis in glucose and oxygen production in plants....
Video: Encyclopædia Britannica, Inc.
Dust and other aerosols suspended in the atmosphere provide the surfaces upon which...
Video: Encyclopædia Britannica, Inc.
The process of cloud formation relies on several factors, including the rate of vaporization...
Video: © MinuteEarth (A Britannica Publishing Partner)
Conducting electric current in a solution of electrolytes.
Video: Encyclopædia Britannica, Inc.
The process by which liquid water enters the atmosphere as water vapour is discussed...
Video: Encyclopædia Britannica, Inc.
How to increase alertness without caffeine, and the chemistry of why these methods...
Video: © American Chemical Society (A Britannica Publishing Partner)
Learn about a proposed smartphone application to help residents of Milton Keynes,...
Video: © Open University (A Britannica Publishing Partner)
An explanation of why seawater is salty.
Video: Contunico © ZDF Studios GmbH, Mainz
Sublimation is the conversion of a substance from the solid to the gaseous state...
Video: © MinuteEarth (A Britannica Publishing Partner)
Learn about surface tension and compare the surface tensions of different liquids,...
Video: Encyclopædia Britannica, Inc.
Images
Water is the most plentiful compound on Earth and is essential to life. Although...
© SKatzenberger/iStock.com
Polar bear on an ice floe in the Svalbard archipelago. The sight of ice floating...
© SeppFriedhuber—E+/Getty Images
In the hydrologic cycle, water is transferred between the land surface, the ocean,...
Encyclopædia Britannica, Inc.
The Hoover Dam on the Colorado River at the border of Nevada and Arizona demonstrates...
Robert Glusic/Getty Images
Water treatment systems are important for desalinating seawater so it can be used...
Encyclopædia Britannica, Inc.
A water molecule is made up of two hydrogen atoms and one oxygen atom. A single oxygen...
Encyclopædia Britannica, Inc.
Water is a polar molecule and is attracted to other polar molecules. Thus, droplets,...
© fotofuerst/Fotolia
The predominance of water on Earth is apparent in a photograph taken by the Galileo...
NASA/JPL
Dispersal of several types of seeds.
Encyclopædia Britannica, Inc.
Diagram of photosynthesis showing how water, light, and carbon dioxide are absorbed...
Encyclopædia Britannica, Inc.
Global map of Mars in epithermal (intermediate-energy) neutrons created from data...
NASA/JPL/University of Arizona/Los Alamos National Laboratories
World map of projected water stress by country in 2040 under business-as-usual scenarios.
Encyclopædia Britannica, Inc.
Figure 1: Relationship between the density of pure water and temperature.
Encyclopædia Britannica, Inc.
Figure 3: The absorption coefficient for liquid water as a function of frequency.
From J.D. Jackson, Classical Electrodynamics, copyright © 1975 by John Wiley & Sons, Inc.
Encyclopædia Britannica, Inc.
This diagram shows how, in the hydrologic cycle, water is transferred between the...
Encyclopædia Britannica, Inc.
Reaction of methyl acetate and water demonstrating the hydrolysis of an ester.
Encyclopædia Britannica, Inc.
Mechanisms of enzymatic action (see text).
Encyclopædia Britannica, Inc.
Figure 8: Molecular orbital energy-level diagrams for (A) beryllium hydride, BeH2,...
Encyclopædia Britannica, Inc.
Addition reaction of ethylene (C2H4) with water (H2O)...
Encyclopædia Britannica, Inc.
State (liquid, vapour, or both) of a fixed mass of water under varying conditions...
Encyclopædia Britannica, Inc.
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