Alvin Silverstein
4) DNA
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Explains the structure and function of DNA and discusses current relevant scientific research.
5) Symbiosis
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Discusses the three kinds of symbiosis: mutualism, commensalism, and parasitism and describes examples of these relationships.
7) Food chains
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aExplains various components of a food chain and discusses the concepts of food webs, umbrella species, biogeochemical cycles, and more.
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Summary
Have your readers ever touched a hot pan by accident? They may have even gotten slightly burned when they did. Authors Alvin and Virginia Silverstien and Laura Silverstein Nunn explore the different types of burns we can get, and how to best prevent burns, blisters, and sunburns.

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