Students examine five major events in Soviet History to introduce the concept of opportunity cost. They identify considered alternatives at the time of decision and examine benefits and cost. They apply these ideas to a typical school day.

Students simulate the transaction costs experienced by the average householder in the former Soviet Union. They consider time spent searching and waiting in line, scarcity of goods and the lure of the black market.

Students examine the concept of prejudice of human beings towards other human beings. They define prejudice and analyze the history of the word, read a U.N. Commission Report on prejudice, and examine textbooks for prejudice.

Students experiment with a Leyden Jar, a device that stores electrical charges. A large voltage can be built up in this jar by adding more and more charge. The modern name for this device is a capacitor.

High schoolers study Archimedes' Principle, flotation and the reaction of buoyant forces and explain the relationship between density and flotation.

Students discuss and determine what is zero, what is infinity, and where do these numbers come from?

Learners conduct various experiments to see if different parts of the tongue are more sensitive to different characteristics of food.

Young scholars explain in what ways the American experience in self-government can be called an adventure in ideas. They evaluate positions on a number of issues related to the fundamental principles and values of government and...

Students discuss Ozone Chemistry. They do research on the subject. They graph their data. They analyze the economic impact of removing CFC's from the biosphere, and graph the worldwide production of CFC's since their discovery.

Students explore their role as food preparation specialists in the prevention of foodborne illness.

Students participate in Density Discoveries, which is a hands-on learning opportunity for students to find the mass, volume, and density of solid matter.

Students examine the mathematical concept of area. These activities and discussions may be used to develop students' understanding of this mathematical concept and will enable students to calculate the area of a random shape on a grid.

Students wget a chance to enhance their manual dexterity and follow a sequential process. Students gain an appreciation and an understanding of a culture other than their own.

Young scholars practice the skill of seeing an issue from different points of view.

Students list reasons why water is important and investigate and graph the freezing points of different solutions.

Students use a coffee cup to demonstrate weightlessness. After a lecture/demo, students read an article on free-fall. They perform a simple experiment which helps them explain the concept of weightlessness.

Young scholars use input / output tables to help them solve algebraic equations. They use patterns and relations to represent and analyze mathematical situations using algebraic symbols.

Fourth graders work with fractions using hands on experiences and reasoning skills and use fractions to communicate the idea of a part of a whole.

Fifth graders review the concept of negative numbers and how the are placed on a number line. After the review, 5th graders practice placing negative numbers on a number line in a whole class setting.

Pupils explore New York City's bid to host the 2012 Olympic Games. They estimate budget allocations for such a proposal while practicing the calculation of percentages.

Middle schoolers survive within an ecosystem, an animal must be physically and behaviorally adapted to the conditions of its environment.

Students gain an understanding of how the winner of the popular vote might not be the winner of the electoral vote by voting on a snack. They be divided into groups with a representative.

Students conduct surveys to determine when spring occurs in the minds of people in their area. They organize and interpret their data.

Students explore how to select unbiased random samples as they choose report data to include on maps. They propose methods for choosing random numbers and discuss their advantages and disadvantages. They consider bias in science.