Salmonella poisoning impacts over 200,000 people in the United States each year. Scholars learn about the growth of these bacteria using multiple approaches. Then they apply the same growth calculations to endangered species and think...

Students explore the effects of different density-dependent and density-independent factors on population growth. They explore how the interactions of organisms can affect population growth. Students explore the pattern of population...

New roads, new businesses, new developments, new mass transit systems. All growth has both positive and negative effects on communities. Government classes investigate the principles of Maryland's 1997 Smart Growth program and...

As the reality of population decline across many species becomes real, pupils learn about the variables related to changes in populations. They complete a simulation of population changes and graph the results, then discuss limiting...

Young scholars define the following terms: predation, competition, carrying capacity and population. They can explain the patterns of growth and the limitations of growth. Students explain the difference between density-dependent and...

Did you know that the population is expected to grow to 11 billion by 2100? The resource serves final installment in a six-part series on the global population and its effects. Scholars interpret data from the United Nations about the...

Through reading a variety of news articles and other informational texts, learners discover the political turmoil and intense ethnic and religious tensions that envelop the Ivory Coast today. Class members research the historical...

Great things come in small packages! What better way to illustrate this point than a week-long look at nanotechnology? Earth science scholars explore water quality issues through lab activities, then research new innovations in nanotech...

Students investigate the growth of yeast in a sugar solution. They verify the pressure of carbon dioxide using bromothymol blue. Students are asked to describe the difference between the contents of the test tubes used and to explain...

Students examine classic demographic transition (DT) model, explain assumptions and limitations of model, construct graphs of contemporary demographic change, and explain contemporary demographic patterns in the context of the classic DT...

Students examine gas production in "soil" samples through hands on activities and class discussions, to determine if the soil samples have contain living or non-living systems.

As part of a study of colonial and Native American history, class members focus on the beliefs and land use of the Pocumtucks, who settled near Deerfield, Massachusetts. Students examine their beliefs about land use and ownership, the...