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Molecules - Windows to the Universe

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With Explore the Planets, investigate the planets, their moons, and understand the processes that shape them. By G. Jeffrey Taylor, Ph.D. See our DVD collection.
Here are four different ways chemists use to show a molecule of ammonia. In the colored molecule models, nitrogen atoms are blue and hydrogen atoms are white.
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Windows to the Universe original artwork by Randy Russell.

Molecules

Most things around us are made of groups of atoms connected together into packages called molecules.

Molecules are made from atoms of one or more elements. Some molecules are made of only one type of atom. Other molecules are very large and are made of hundreds of atoms.

Even large molecules are so small that you would not be able to see only one molecule of something. But when thousands of molecules are together, they might look like a glass of water, a tree or even your computer screen!

Last modified September 17, 2010 by Randy Russell.

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The Fall 2010 issue of The Earth Scientist, focuses on rocks and minerals, including articles on minerals and mining, the use of minerals in society, and rare earth minerals, and includes 3 posters!

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF