REFERENCE
The second of four articles answering questions about dinosaurs. This article covers the following issues: how dinosaurs…
The third of four articles answering questions about dinosaurs. This article covers the following issues: what dinosaurs…
The last of four articles answering questions about dinosaurs. This article covers the following issues: what colors…
Share an article that, from the Center for Disease Control, explains anthrax - how it is transmitted, the symptoms, and…
Description of global warming's effect on the climate.
Describes how emissions contribute to global warming.
Describes the uncertainties surrounding global warming with respect to climate.
Describes how the climate might change in the United States, due to the effects of global warming.
Projection of the temperature change that may occur due to global warming.
Provides a definition of global warming.
Describes the difference between climate and weather.
Describes and defines the greenhouse effect.
Describes the components of the climate system.
Describes the many changes Earth's climate has undergone, from ancient times to present-day.
Describes some of the ways that scientists gather evidence about climate, both past and present.
Describes the things people do that send greenhouse gases into the air, making our planet warmer.
Describes how small changes over a long period of time can lead to big problems, in terms of global warming.
Describes what each of us can do to reduce the amount of greenhouse gases that we put into the atmosphere.
A glossary of words related to global warming.
A chart of animal names: male, female, and young.
A comprehensive explanation of AIDS and HIV.
A chart of the number of young women with HIV and AIDS in the U.S. through June 1999.
A chart of the number of young men with HIV and AIDS in the U.S. through June 1999.
An article about various sports in which animals participate.