- Build ... a Pyramid: How much skill did it take to be a pyramid builder? Find out by clicking on “pyramids” in the first paragraph.
- Build ... a Ziggurat: People in the area we know today as “The Middle East” built stepped-temples called Ziggurats. How would you construct such a building? Click on “built,” in the first paragraph, to try your hand at it.
- Debtor's Prison: Victorian Britain The Industrial Revolution helped Britain to become the world's first industrial power. It was not easy, however, to maintain one's business. And ... if the business failed ... its owner could end up in debtor's prison. The best choices were not always obvious, or easy. Find out what it took to succeed by clicking on "fortunes" in the first paragraph.
- DNA Sequencing: The DNA molecule looks like a spiral ladder. Its rungs are formed by pairs of base molecules. Sequences, of those base pairs, represent the organism’s genetic information. Are you able to make copies of DNA molecules and then determine to which organism the genetic information belongs? Try it, by clicking on “DNA” in the first paragraph.
- Fossil Reconstruction: How do experts reconstruct a fossil when most of the pieces are missing? Test your skill at recreating a fossil, advancing from a “beginner” to an “expert.”
- Greek Ships: Commanding a Trireme When the Greek navy defeated the Persians at the Battle of Salamis, they used their triremes to ram enemy ships. If you had the command of a trireme, how many ships could you ram? Try it, by clicking on "faster ships" in the third paragraph.
- Industrial Revolution: Victorian Britain Millions of people lived in poverty while a fortunate minority amassed enormous wealth. If you were running a Victorian city, how would you protect your workers while maintaining the prosperity of the town's businesses? Find out what it might have been like to think like a Victorian by clicking on "cotton" in the first paragraph.
- Jousting, in the Middle Ages: If you were wearing heavy armor, galloping astride a magnificent horse, would you be able to defeat your opponent in a jousting match? Click on “Doing battle” in the third paragraph, and see how well you do. Be sure to pick the right equipment and the best horse. And remember ... “the best” is not always what it seems.
- School: Spartan Style In ancient Greece, elders from the city of Sparta decided whether an infant boy was strong enough to live. If so, the child remained with his family until age seven. After that, he had to complete an educational program called the agoge. Its purpose was to turn young boys into fearless soldiers. To experience the rigors of that schooling, click on "how difficult it was," in the fifth paragraph.
- Trafalgar, Battle of: To play a role in the Battle of Trafalgar, click on “defeated” in the second paragraph. To hear the sounds of the battle, be sure to have your volume turned up.
- Victorian Britain: Did life improve for British people during the reign of Queen Victoria? To compare what conditions were like between 1837 (when she ascended the throne) and 1901 (when she died), click on “its end” - in the first paragraph - then decide if the country was better, or worse, at the conclusion of the Victorian Age.
- Viking Trading: Vikings did not just raid and loot in foreign lands. They also traded. What were the types of gifts a Viking might give his family? Click on “trading” in the second paragraph to check it out.
- Write with ... Cuneiform: Click on “visit this site,” in the third paragraph, to write Babylonian-style.
- Write with ... Hieroglyphics: Have you ever written in Hieroglyphics? Click on “Do it here,” in the Hieroglyphics section of this chapter.
- Write with ... Viking Runes: Click on “write your name” in the fourth paragraph to write your name, Viking-style.