Students analyze the chemical equation for the reaction between vinegar and baking soda. They observe that the gas produced in the reaction is also part of the products of the written chemical equation.

This video segment adapted from A Science Odyssey looks at the invention of the automobile and the development of mass production. [4:21]

This extensive learning module examines how the United States' efforts to increase foreign trade, add new territory, and isolate itself from Europe affected its foreign policy and other initiatives. It investigates how advances in...

This lesson focuses on chemical reactions including what they are and an explanation of each part of a chemical equation.

This site from MIT Invention Dimension is a brief profile of Henry Ford focusing on the Assembly Line.