TeachEngineering
Teach Engineering: Biological Processes: Putting Microbes to Work
Students learn the fundamentals of using microbes to treat wastewater. They discover how wastewater is generated and its primary constituents. Microbial metabolism, enzymes and bioreactors are explored to fully understand the primary...
Information Technology Associates
Nicaragua : People
Excellent site about the people of Nicaragua, population, age structure, growth rate, death and birth rate, life expectancy, ethnic divisions, literacy, and more.
Khan Academy
Khan Academy: Algebra Ii: Construct Exponential Models
Given a verbal description of the rate of change of a real world situation, find the exponential function that models it. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
University of Houston
University of Houston: Engines of Our Ingenuity: No. 1499: Domesticating Animals
This article names six factors that must exist in order for a species to be domesticated by humans. Includes analysis of diet, growth rate, breeding, personality, disposition, and social structure. This is a transcript of an accompanying...
Science Education Resource Center at Carleton College
Serc: Duckweed Bioassay
This lab was designed with the intent to mimic the effect fertilizers can have on plants in a lake or pond ecosystem. Students determine the effect different fertilizer concentrations have on the growth rate of duckweed plants, as...
Illustrative Mathematics
Illustrative Mathematics: F Le Comparing Exponentials
In this task, students work with exponential functions in a real-world context involving continuously compounded interest. They will study how the base of the exponential function impacts its growth rate and use logarithms to solve...
Countries and Their Cultures
Countries and Their Cultures: Swazi
"Swazi" refers to the nation, tribe, or ethnic group, or an individual, "siSwati" to the language. SiSwati speakers are found in Swaziland, South Africa, and Mozambique. Within Swaziland, the population (the great majority of which is...
US Census Bureau
U.s. Census Bureau: Population Clocks
This U.S. Census Bureau Web site has two population clocks with notes available. One clock shows the population increase for the United States. The other shows the world population increase.
Geographyiq
Geography Iq
Detailed geographical information on any country is available at this site. Within the World Map section, you can get facts and figures about each country's geography, demographics, government, political system, flags, historical and...
McGraw Hill
Glencoe: The United States Economy
This site gives a concise outlook of the United States Economy in the early twenty-first century. The summary is brief, but it is easy to read and understand. Includes numerous links to graphs.
Wisc-Online
Wisc Online: Inflation
This online slideshow teaches students about the economic concept of inflation.
Other
Mother Jones: What It Will Take
This blog article discusses population growth in the context of wealth, poverty, women's rights and birth control.
Curated OER
Kids Health: Old Wives' Tales
Will wearing shoes help a baby walk sooner? Does caffeine stunt a child's growth? Does chocolate cause acne? Find old wives' tales about pregnancy, infants, food, coffee, and illness, and answers to the above questions.
Independence Hall Association
U.s. History: Binding the Nation by Rail
Read about the explosive growth of railroad track across the United States after the Civil War. Find out about the building of the Transcontinental Railroad, the men who made fortunes from the railroads, and the first American regulatory...
Khan Academy
Khan Academy: Acceleration
Acceleration, an increase in the rate of change, is occurring both in the Universe and in human culture on planet Earth. This article explains these fascinating changes.
Khan Academy
Khan Academy: Business Cycles
Practice what you've learned about the business cycle, and how different phases of it relate to GDP and the unemployment rate, in this four-question exercise.
Carnegie Endowment for International Peace
Carnegie Endowment for Intl. Peace: China's Economic Prospects 2006 2020 [Pdf]
In this April 2007 paper, the report provides forecast on how well the Chinese economy will grow and also examines the problems that will occur as a result of this strong growth. Requires Adobe Reader. [PDF]
Illustrative Mathematics
Illustrative Mathematics: F Le Us Population 1790 1860
In this task, students are shown a table of U.S. population data between 1790 and 1860 and are asked to explore whether exponential functions would be appropriate to model relationships within the data. The purpose of the task is to help...
Khan Academy
Khan Academy: Lesson Summary: Fiscal and Monetary Policy Actions in Short Run
In this lesson summary review and remind yourself of the key terms and graphs related to the effects of fiscal policy actions in the short run. Topics include how fiscal and monetary policy can be used in combination to close output...
Khan Academy
Khan Academy: Life Tables, Survivorship, & Age Sex Structure
This article describes tools ecologists use to describe the present state of a population and predict its future growth.
Council for Economic Education
Econ Ed Link: The Economics of Income: Which 'Wood' You Choose?
A key turning point in a nation's economic development is when it starts to use its resources for long term versus short term purposes. A natural resource example is trees: should people use wood for cooking food or building homes?...
Texas Instruments
Texas Instruments: Math Today Population on the Move
In this activity students will determine the rate of change (slope) & build a linear model (y = mx + b) from this data. The model will be used to make a prediction about the future growth of the population of the U.S. if the current...
Texas Instruments
Texas Instruments: Math Today for Ti Navigator System More of u.s.
Using the USA TODAY Snapshot, "More of U.S.," students will learn how to interpret data presented in a graphical form. Students will determine the rate of change (slope) and build a linear model (y = mx + b) from this data. The model...
Texas Instruments
Texas Instruments: A Tall Story
In this activity, students can use the motion detector to measure their current height and obtain a mean value. They will use this and earlier data to plot a graph of height versus age. Students will identify the mathematical model that...
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