General Chemistry Online: History of Chemistry

The University of the State of New York has designed a series of exams for high schoolers. This chemistry exam is one of the most comprehensive and well-written that you will ever find. It consists of 84 questions in a variety of styles,...

The National Chemistry Olympiad exams are comprehensive tests covering an entire  year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your...

Does the human body evolve as quickly as human culture? With a stellar 15-minute video, explore the trait of lactose intolerance. Only about 1/3 of human adults seem to still have the enzyme lactase and therefore, the ability to digest...

Imagine having to give up cell phones, computers, and TV? What would be lost? What gained? An examination of the Drokpa, a nomadic people who live in the grasslands of Tibet, provides class members an opportunity to consider how access...

Take a historic view of our knowledge of atoms with a video that explores the discoveries of many scientists including Leucippus, Democritus, Rutherford, Bohr, Heisenburg, and more. 

The scientific revolution went out with a bang, thanks to some impressive intellectuals! Newton's and Leibniz's noteworthy discoveries unfold in the 17th installment in a lengthy History of Science series. Viewers witness the birth of...

If the word alchemy makes you think of wizards gathered around bubbling cauldrons, you're not completely wrong! Introduce scholars to the history of chemistry during part 10 of a 15-part History of Science series. The video takes viewers...

A collection of questions commonly asked to address where chemistry is found in everyday life. Find out how mood lipstick works and why chunks of pineapple can't be added to Jell-o.

A JavaScript calculator which allows one to investigate the distinction between an ideal gas and a real (Van der Waal or Dieterici) gas. State variables can be entered and an update on the values of other variables are given (as...

One chemical formula—but how many different structures? Familiarize young chemists with the concept of isomers through simple, related games. Users identify each isomer base upon its name, structure, and type of isomerization in a set of...