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Concord Consortium
Center of Population
Let the resource take center stage in a lesson on population density. Scholars use provided historical data on the center of the US population to see how it shifted over time. They plot the data on a spreadsheet to look the speed of its...
Concord Consortium
School Bus Routes
Plan the way to school. Given a map of a school district, class members portray a transportation consultant hired to develop a bus transportation plan that will pick up the eligible riders and get them to school. The plan must contain...
College Board
2016 AP® Biology Free-Response Questions
A remarkably high number of scholars passed the AP Biology exam in 2016 with over 61 percent earning college credit. The College Board released the entire free-response section for future scholars to study. After answering the eight...
Curated OER
Discussion Sheet 7: Exponential Growth
In this exponential growth activity, students determine the population of a country. They set up an integral which represents the mass of an abject and determined the total accumulation of snow in a region. This one-page activity...
Curated OER
Building New Landforms
In this landform worksheet, students read 6 paragraphs about the process the Dutch used to build new landforms and threats they face today. After reading the background information, students complete 3 short answer questions regarding...
Curated OER
Diatoms of Laboratory Indicators of Water Quality
In this science worksheet, students use the diatoms present in water in order to test water quality and perform data collection and interpretation.
United Nations
United Nations Cyberschoolbus: Cities of Today, Cities of Tomorrow
The six teaching units of this site provide an overview of urbanization, its history, its potential, its problems. The site has lots of activities, and a game.