A great source for finding stats and data about U.S.cities compiled from a variety of government and commercial sources. Profiles both large and small cities and includes maps, pictures, population, income and geographical data.
In order to accurately reflect collected data, the right type of sampling method needs to be determined. [7:04]
Excellent, full coverage of North Korea from Library of Congress. Includes profile, history, society, government, economy, foreign policy, and more.
Students analyze contextual situations, focusing on single variable data and bivariate data, and are introduced to the concept of using data to make predictions and judgments about a situation.
This pathway explores the importance of biodiversity and human impact on the environment.
Learn the difference between density-dependent and density-independent factors that affect population growth, and explore examples of each. [10:38]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
What effect do interactions between species have on the sizes of the populations involved? Learn about the dynamics of predator and prey populations, and how they can influence one another's patterns of growth and decline. [5:08]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
This site has a colorful display of information about Oregon. It contains a map, pictures, a list of state symbols, and links to related information.
This pathway explores the concepts of natural selection and evolution of populations. Stories from scientists sharing their perspective on this topic and their research are embedded throughout the pathway.
This video discusses how to determine whether the results of a statistical experiment can be generalized to a larger population. Includes downloadable study guide with exercises - guide also covers other topics. [5:07]
Much historical information and current facts about the Dominican Republic are given in this well organized and detailed site. Quick facts are displayed in easy to read charts.
After reading a brief overview on Guyana, you can learn many enlightening facts about the country through "Facts at a Glance" or more detailed information in the commentary section.
A detailed and comprehensive resource for finding much information on Paraguay. Organized by quick facts in chart form or longer commentaries.
Read about Uruguay's economy, government, history, or people either as a quick fact or more expanded version at this very comprehensive site.
In this activity, students will use cookies to simulate the distribution of our nonrenewable resources (energy). Then, they will discuss how the world's growing population affects the fairness and effectiveness of this distribution of these resources and how engineers work to develop technologies to support the population.
Society and cultures revolve around food. There are television networks solely focused on food and it is almost impossible to take a drive without passing a fast food chain. Billions of dollars are spent annually to market and advertise food. Around the world, demand for food, specifically protein sources, is increasing without a foreseeable stop. This unit features 4 lessons and 6 files. Lessons are aligned to NGSS.
Become a “farmer” on a journey from pre-planting to harvest to see what decisions farmers are making every year as they farm. Growers across the country are gaining access to more and more data about their farms. The data is being gathered through equipment or other precision agriculture techniques, then it must be analyzed so that decisions made will be based on evidence. Scientists in all disciplines use the same practices as farmers. This unit features 5 lessons and 27 files. Lessons are aligned to NGSS.
Discusses conditions needed for the Hardy-Weinberg Law to hold true and demonstrates calculations involving allelic frequencies to illustrate this principle.
A definition of "population" as it refers to statistics.
Short video which describes the difference between a sample and a population.
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.