Howard Hughes Medical Institute
Population Dynamics
Will human population growth always be exponential, or will we find a limiting factor we can't avoid? Young scientists learn about both exponential and logistic growth models in various animal populations. They use case studies to...
CK-12 Foundation
Limiting Factors to Population Growth: Graphing Population Growth
If any of the limiting factors in an environment change, both animal and plant populations also change. The video explains two different models of growth and the impact of limiting factors. It highlights the carrying capacity of an...
Science 4 Inquiry
The Ups and Downs of Populations
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...
Curated OER
The Influence of Human Activity on the Environment
The surge in human population in the last 2,000 years, due in large part to better health care, has brought a surge in the demand for resources and in pollution. The graphics, photographs, and real-life examples in a thought-provoking...
Serendip
Understanding and Predicting Changes in Population Size – Exponential and Logistic Population Growth Models vs. Complex Reality
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...
Teach Engineering
Biomes and Population Dynamics - Balance Within Natural Systems
How large can a population become? The fifth installment of a nine-part unit teaches young ecologists about limiting factors that determine the carrying capacity of species in the Sonoran Desert. Here is a PowerPoint to help present this...
School Improvement in Maryland
Smart Growth
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 the...
Cornell University
Fibers, Dyes, and the Environment
Nanofibers can be made through electrospinning or force spinning in order to reduce the negative impact on the environment. Pupils study the role of fibers and dye on the environment through a series of five hands-on activities. Then,...
Population Connection
The Human-Made Landscape
Agriculture, deforestation, and urbanization. How have human's changed the planet and how might we mitigate the effects of human activity on the planet? To answer these questions class members research the changes in human land use from...
College Board
Sampling Distributions
The validity of data depends on the strength of the sample. A collection of instruction and activities focuses on sampling distributions and the analysis of that data. Scholars learn about distribution tests such and Central Limit...
Biology Junction
Ecology
Psychologists study human relationships while ecologist study relationships between organisms in the environment. An introduction to ecology and the related vocabulary benefits scholars as they progress through the presentation and...
Alabama Wildlife Federation
Big Fish, Little Fish
Tag, you're eaten! A lesson on predator-prey relationships uses the game freeze tag as a model. Learners become either a predator or prey and play a game of tag as the prey tries to reach areas that house food and shelter. During the...
Biology Junction
What Is Ecology?
Do you know the name for the biological study of interactions? A short presentation with accompanying worksheet introduces individuals to ecology. The materials offer a broad overview of the subject and the levels of organization to...
California Polytechnic State University
Australian Geography Unit
At the heart of this resource is a beautifully detailed PowerPoint presentation (provided in PDF form) on the overall physical geography of Australia, basic facts about the country, Aboriginal history, and Australia culture and lifestyle.
Curated OER
Pocumtucks in Deerfield
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...
Curated OER
Water Conservation
Open learners' eyes to the challenge of finding safe drinking water – something we often take for granted in our country. The PowerPoint presentation includes images, graphs, diagrams, and even a video to stimulate discussion on how we...
Teach Engineering
Bees: The Invaluable Master Pollinators
There is nothing in the world quite like a bee. Here is a video that explains the importance of bees to pollination. Scholars consider possible solutions to the declining population of bees in the ninth and final installment in the series.
California Academy of Science
Sustainable Food Solutions: Weighing the Pros and Cons
A growing demand for sustainable food systems comes from schools and even some cities. So what are some solutions? Scholars consider four different ways to approach sustainable food solutions and list the pros and cons of each. The fifth...
Steppenwolf Arts Exchange
Fahrenheit 451: Study Guide
Here's a must-have packet for your curriculum library. If you are interested in Fahrenheit 451, if you are interested in Ray Bradbury, if you are interested in censorship, if you interested in programs that make a difference, then this...
Institute of Electrical and Electronics Engineers
Stop and Go
It's "Green light, go!" with this instructional activity! STEM classes are illuminated with the history of traffic signals and how the engineering design has improved over time. They also learn about patents for new inventions. Finally,...
Boston University
South African Short Stories: Apartheid, Civil Rights, and You
How are short stories from South Africa connected to issues of civil rights in the United States? A unit plan uses South African short stories to discuss issues such as apartheid, colonization, and civil rights. Questions and activities...
School Improvement in Maryland
Demographic Investigation
What are the factors that influence voting patterns? How do these factors influence government funding? Is participation the squeaky wheel gets the grease? Class members interpret graphs and analyze trends to determine what demographic...
Redefining Progress
Have and Have-Not
Is there a correlation between a country's wealth and the extent of its ecological footprint? What exactly constitutes an ecological footprint, and how does one country stack up against the rest? This is a unique lesson to incorporate...
Global Oneness Project
Deconstructing Consumerism
To increase awareness and launch a discussion of consumerism, class members view What Would It Look Like, a 25 minute film of images that capture the global effects of the consumption of goods. Viewers make a list of the images that they...