Curated OER
Population Density In Fish
Students investigate how a population of fish multiplies in an ecosystem and the kinds of things that must be done to maintain a healthy population balance with other organisms that live there. They conduct an experiment to test the...
Curated OER
Hypoxia and the Dead Zone in the Gulf of Mexico
Students investigate the causes of hypoxia, the characteristics of a watershed, and how the actions and management practices of people can both negatively and positively affect aquatic ecosystems.
Curated OER
What a Waste
Pupils analyze components of garbage. They collect and sort a few days' worth of garbage. They chart the results of an investigation.
Curated OER
There's More To Sex Education Than AIDS Prevention
Pupils are introduced to the views on sexuality in the United States. In groups, they research data from five countries and compare them with the United States. Using the information, they develop reasons why the teenage pregnancy rate...
Curated OER
A Healthy Old Age?
Students explore the role of the National Health Service (NHS) in Britain. In this current events lesson, students visit websites and listen to lectures to learn about Britain's free health care. Students investigate problems the NHS...
Curated OER
Take a Dip: The Water in Our Lives
Students explore the function of storm drains and the importance of keeping them clean of debris. They obtain permission from local authorities and perform community service painting stenciled messages near existing storm drains.
Curated OER
The Macaroni Lab
Learners are given an introduction to the "ecosystem", what factors make up an ecosystem (biotic factors, abiotic factors, food chain, producers, consumers and decomposers) and how those factors interact.
Curated OER
Earthworm Movement and Landscape Structure
Students describe differences in animal usage of habitats depending upon successional status of site. They also design other experiments to test movement patterns of animals through habitats of differing structure.
Curated OER
Do Human Practices Affect Water Quality?
Students determine if human practices have any noticeable effects on the quality of stream life as measured by the presence of certain macroinvertebrates. They collect, preserve and identify macroinvertibrate samples and quantify the data.