Government of Canada
Health Canada: Tobacco Product Labelling
Walk through the anatomy of a cigarette package. First, look at the mandatory graphic health warnings. Next, examine the toxic emissions statement that gives the emission levels of six toxic chemicals. Finally, read the health...
National Cancer Institute at the National Institutes of Health
Smokeless Tobacco and Cancer: Questions and Answers
This website provides brief responses to several questions about smokeless tobacco and the risks associated with its use including: "What harmful chemicals are found in smokeless tobacco?," and "What about using smokeless tobacco to quit...
University of Arizona
University of Arizona: The Biology Project: Chemicals and Human Health
The University of Arizona's Biology Project provides background information on toxic materials and the body's responses as well as interactive tutorials with assessment questions and an activity in which students can actually acquire and...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Manufacturing Areas, 1900
A map from 1907 of the United States showing the principal manufacturing areas in 1900. The star symbol in Ohio represents the mean center of manufacturing in the nation. Each symbol represents gross $25,000,000 or fraction more than...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Manufacturing Areas , 1900
A map from 1920 of the United States showing the principal manufacturing areas in 1900. The star symbol in Ohio represents the mean center of manufacturing in the nation. Each symbol represents gross $25,000,000 or fraction more than...