Modeling Earth's Atmosphere
Ozone, a highly reactive gas molecule comprised of three oxygen atoms, is found naturally in the stratosphere. Although present only in tiny amounts, ozone is vital because it absorbs most of the harmful UV radiation emitted by the sun and prevents it from reaching Earth’s surface.
Near the ground, ozone often is produced as a byproduct of burning fossil fuels. In this instance, ozone is very harmful. It can damage lungs and is harmful to other living things, such as plants.
Keywords: Earth | air | atmosphere | ozone | O3 | troposphere | stratosphere | mesosphere | thermosphere | exosphere | UV radiation | sun | gas | oxygen
- Moreno N., and B. Tharp. (2011). The Science of Global Atmospheric Change Teacher’s Guide. Third edition. Baylor College of Medicine. ISBN: 978-1-888997-76-7.
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Funded by the following grant(s)
My Health My World: National Dissemination
Grant Number: 5R25ES009259
The Environment as a Context for Opportunities in Schools
Grant Number: 5R25ES010698, R25ES06932
Foundations for the Future: Capitalizing on Technology to Promote Equity, Access and Quality in Elementary Science Education