Spread the word about seafloor spreading! Junior geologists prove Albert Wegener right in an activity that combines data analysis and deep ocean exploration. Learners analyze and graph fossil sample data taken from sites along the...

History comes to life with the play The Best of Enemie. Scholars learn literary elements as well explore racial issues in American history. The play is based on a true story and addresses the universal truth that people are capable of...

Can there be peace in Cambodia? Immerse your class in a realistic negotiation setting during a riveting simulation. Learners assume the roles of key players in a group sparring with an opposing group to try to achieve peace in the midst...

A good prompt is hard to find, especially ones that encourage application, analysis, synthesis, and evaluation of a text. Help is here in the form of a prompt list for George Orwell's Nineteen Eighty Four that offers essay topics that...

Dr. Martin Luther King, Jr.'s speech "I Have A Dream" is hailed as one of the most eloquent and moving speeches of the 20th century. But what makes his words hit his listeners' ears in just the right ways? Young orators study Dr. King's...

The resource investigates logical equivalence, tautologies, and contradictions. The tutorial examines how to construct a truth table, double negation, DeMorgan's law, and simplifying statements. Students learn about the logic concepts...

Learn what a conjunction is and why it is important to know what a conjunction is when using logic to solve mathematical problems. This website includes examples of the conjunction "and" used in mathematical sentences and a "truth table."

Use this website to help you hone your critical thinking and math-problem solving skills. Learn what "Negation," is and how it applies when you are working on mathematical problems and sentences.

What is a "Disjunction"? What does "or" mean? This website answers these questions and provides examples of disjunctions used in mathematical sentences and problems.