Economists generally agree that free trade helps to improve the overall quality of life in countries that participate. However, disagreements do arise concerning trade agreements. This lesson looks at a disagreement between the US and EU...

This site offers an in-depth analysis of "absolute advantage" and "comparative advantage", and includes supporting charts and graphs to support the examples that are given.

This site offers an in-depth analysis of "absolute advantage" and "comparative advantage", and includes supporting charts and graphs to support the examples that are given.

This video teaches the concept of Trade, Exchange and Interdependence. People do not make everything that they and their family use: that is, they do not grow all their own food, sew their own clothes, build their own house and provide...

This video teaches the concepts of Balance of Trade and Balance of Payments. The balance of trade is calculated by subtracting imports from exports. The balance of payments includes payments related to exports and imports of goods;...

Students learn about the advantages and disadvantages of the greenhouse effect. They construct their own miniature greenhouses and explore how their designs take advantage of heat transfer processes to create controlled environments....

After researching and comparing five species of sea turtles, students look at how they were affected by the Gulf of Mexico oil spill. Then they learn about efforts to relocate wildlife after an environmental disaster such as this, and...

Students learn and practice how to find the perimeter of a polygonal shape. Using a ruler, they measure model rooms made of construction paper walls. They learn about other tools, such as a robot, that can help them take measurements....

Explains what a cross-sectional study of a population is and how it compares with a cohort study. Its advantages, disadvantages, and limitations are discussed, and how it is used in studying health issues and risks. Includes two practice...

A teacher guide and student handout for a lesson where students must weigh the advantages and disadvantages of using different types of stem cells to treat diabetes, Parkinson's Disease, heart disease, and lupus. They also compare gene...

Students learn how engineers harness the energy of the wind to produce power by following the engineering design process as they prototype two types of wind turbines and test to see which works best. Students also learn how engineers...

Dr. Johnson defines the term "specialization" and reasons for its development in our economy.

In addition to defining and describing various patterns of text organization, this website provides outlines illustrating each pattern. RI.11-12.3 Text development

Students will compare two Primary Source maps for Boston and the surrounding area looking at accuracy and detail. Students will decide which side has the advantage then use that information to analyze the advantages of good maps vs....

Compared to incandescent lamps, fluorescent lamps last longer, require less energy and produce less heat, advantages resulting from the different way in which they generate light.

Get an overview of the processes of sexual and asexual reproduction. You'll also be able to contrast the two types of reproduction to better understand the advantages of each. Students are then asked to construct a Venn diagram comparing...

Are you having a difficult time deciding on the type of resume to use? Use the resume comparison chart to weigh your options.

This article discusses how differing prices of various goods in two nations will motivate these nations to trade with each other until the prices of these goods become equal.

This article discusses how differing prices of various goods in two nations will motivate these nations to trade with each other until the prices of these goods become equal.

This article discusses how differing prices of various goods in two nations will motivate these nations to trade with each other until the prices of these goods become equal.

This article discusses how differing prices of various goods in two nations will motivate these nations to trade with each other until the prices of these goods become equal.

Explain how an organism's adaptations give it advantages in particular environments. Calculate and compare the amount of pressure exerted by the foot of an elephant and a human, and apply that knowledge to an understanding of automobile...

Discover how to use pulleys to change the direction of force, compare different pulley designs and discuss the advantages and disadvantages of a pulley.

A labor of love created by a school in Great Britain. This is a well-organized image gallery with photos and other resources presented by topic, e.g., animals, places in the US, science, sports, etc. Though nothing to compare with a...