Introduce your classes to the Art of Rhetoric with a lesson that focuses on Aristotle's persuasive appeals and how they have been used, both ethically and unethically, to influence opinion.

Learners explain historical findings such as Rutherford and Bohr's contributions, explain wave particle duality, and formulate Heinsenberg's uncertainty principle. They also draw s, p, and d orbitals, explain more historical findings,...

Read about the life of the Greek philosopher Socrates, the philosophy he developed, his influence, and his execution for impiety and for corrupting young people.

Read about the life of the Greek philosopher Plato, the philosophy he developed, and his legacy.

Introduction from the Internet Encyclopedia of Philosophy to the main topics and thinkers in the Greek philosophical tradition. Includes links to related articles. Helpful for relating particular philosophers to each other chronologically.

This encyclopedia entry surveys the life and thought of the 5th century BCE Greek philosopher Democritus, who proposed the existence of the atom.

This article provides an overview of the atomistic philosophy of the pre-Socratic philosophers Leucippus and Democritus in the 5th and 4th centuries, BCE.

Read about the life of the Greek philosopher Epicurus and the philosophy he developed called Epicureanism.

Discusses the beliefs of Diogenes regarding wealth and pleasure and said he carried Cynicism to the extreme.

Brief description of the Stoic desire to live a life based on their philosophical beliefs, rather than teach their philosophy to the world.

Article about the Greek philosopher Empedocles from the Stanford Encyclopedia of Philosophy. Includes a brief overview of his work and more detailed discussion of his two major works: "On Nature" and "Purifications."

Explore the life and work of Plato (427-347 BCE) by visiting this comprehensive site. Also contains a lengthy bibliography and links to more detailed information about the Greek philosopher.

The interesting life of ancient Greek philosopher Hipparchia is told here in some detail. References for further study are included.

Overview of the life of Greek philosopher Aristotle, with images, a timeline, and links to related content.

Basic-level introduction to Socrates' life. Excellent summary of the main characteristics of Socrates' life in the three dialogues "Euthyphro," "Apology," and "Crito."

Site summarizes the philosophy of Socrates through condensed versions of Plato's dialogues. Subjects discussed are piety, an examined life, the individual and the state, and knowing virtue. Also presents a bibliography and internet links.

This site from the University of Evansville provides an extensive look at Stoicism, its background, and the philosophers who influenced this philosophy. Very in-depth and informative, with great information.

Encyclopedia entry about the Greek philosopher Socrates. Includes information about his life, trial and death, philosophy, links to additional information, and more.

Encyclopedia article about the Greek philosopher Empedocles. Also contains a picture and links to additional information.

An informative and very helpful study guide from AbleMedia.com on Plato's Republic. After setting the work in its historical context, the site discusses Plato's relation to the Sophist philosophers. Includes a lengthy series of study...

An extensive biography of Diogenes, his travels, and beliefs.

A discussion of the beliefs of Aristotle, his contributions to logic, and why he had to flee Athens at the time of Alexander's death.

Wikipedia provides detailed information on Epicureanism, a system of philosophy based on the teachings of Epicurus.

This site provides a brief biography and intro into the life of existentialist philosopher Martin Heidegger. Provided are numerous links to text documents of his works and philosophies.