Curated OER
Presocratics
Online interactive quizzes are great for promoting self-driven learning. This one contains 23 multiple choice questions about presocratic philosophers. Scholars may submit their answers to be scored. Note: This philosophy quiz may be...
Curated OER
Timeline of Atomic Models
In this atomic models time line worksheet, students draw a diagram of Democritus, Dalton, Thomson, Rutherford and the Electron Cloud model of the atom.
Curated OER
The Great Atomic Debate
In this atomic theory worksheet, students write a skit given a story line using Aristotle, Democritus and Dalton. They are given internet sites to find information about the facts and ideas of these past contributors to science.
Curated OER
Inside an Atom
In this atom worksheet, students read about the history of the discovery of the atom. Students write a story, poem, song or other creative project in which they shrink to an incredibly small size and are trapped in a carbon atom.
Curated OER
Defining the Atom
Words, words, words! This presentation uses plenty of them to define the atom, outline the history of what we know about atoms, and explain atomic and mass numbers. That's all! Informative, but not interesting, this slide show would be...
Curated OER
Ancient Atomic Theories
Studdnts research ancient texts and compare ancient Greek atomic theories, as used in the production of silver, to modern theories.
Boise State University
Boise State University: Atoms: A Virtual Field Trip Through Time and Space
Learn about the models of the atom that have been proposed throughout history. Presents Democritus, John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and the modern theory of the atom. Sections are accompanied by journal...
Stanford University
Stanford Encyclopedia of Philosophy: Democritus
A look at the life of Democritus of Abdera. He helped to develop a theory of atomism, explained in detail here. Other significant ideas he had included his theory of perception, a theory of the soul and its relationship to living things,...
Wikimedia
Wikipedia: Democritus
This encyclopedia entry surveys the life and thought of the 5th century BCE Greek philosopher Democritus, who proposed the existence of the atom.
Wikimedia
Wikipedia: Epicureanism
Wikipedia provides detailed information on Epicureanism, a system of philosophy based on the teachings of Epicurus.
![Texas Gateway: Atoms, Elements and the Periodic Table: The Atomic Model [Pdf] PPT](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Texas Gateway: Atoms, Elements and the Periodic Table: The Atomic Model [Pdf] PPT")
Texas Education Agency
Texas Gateway: Atoms, Elements and the Periodic Table: The Atomic Model [Pdf]
A slideshow looking at the contributions of scientists over time to our understanding of atomic theory. Looks at models of the atom developed by Democritus, John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and James Chadwick, as...
Other
Western Kentucky University: The Atomism of Democritus
An essay explaining the atomist beliefs of the philosopher Democritus.
Other
History World: History of Greek Science
Presents the history of Greek science from the 6th century BC to the 2nd century AD. Navigate using the menu on the left. Covers major figures in science and mathematics, their theories and beliefs, and the influence they had, as well as...
Other
Greek Philosophy: Leucippus and Democritus
This article provides an overview of the atomistic philosophy of the pre-Socratic philosophers Leucippus and Democritus in the 5th and 4th centuries, BCE.
Tom Richey
Slide Share: Atomic Models: Everything You Need to Know
A detailed slideshow for Grade 8 students that looks at the history of our understanding of atoms. Looks at the ideas presented by Democritus, John Dalton, J.J. Thomson, Ernest Rutherford, and Niels Bohr, and the modern-day wave model. A...
CK-12 Foundation
Ck 12: Physical Science: Democritus' Idea of the Atom
[Free Registration/Login may be required to access all resource tools.] Introduction of the idea of the atom and the diversity of matter.
CK-12 Foundation
Ck 12: Chemistry: Democritus' Idea of the Atom
[Free Registration/Login may be required to access all resource tools.] Explains the ideas of Democritus dealing with the divisibility of the atom.
Sophia Learning
Sophia: Democritus
A guided lesson explaining Democritus' description of matter as discontinuous.
Sophia Learning
Sophia: Development of the Early Atomic Theory
This guided lesson summarizes the historical development of atomic theory.
Children's Museum
Children's Museum: Field Guide to the Universe: Astronomers
Read brief biographies of astronomers who are grouped by time period.
Internet Encyclopedia of Philosophy
Internet Encyclopedia of Philosophy: Epicurus
This site from the Internet Encyclopedia of Philosophy is an excellent, detailed introduction to the philosophy of Epicurus. Divided into sections addressing his metaphysics, epistemology, ethics. Includes numerous links to related...
Concord Consortium
Concorde Consortium: What Are All Materials Made Of?
Activity 4 of this module determines: Which model best supports our observations? This activity reviews the evidence gathered in this investigation and considers how that evidence informs your model of matter. A timeline of the history...
Other
Ancient Greek Philosophy: Democritus of Abdera
A discussion of the theories of Democritus (c. 460-370 BC). He is best known as an atomist, having developed an atomic theory. Also discusses the ideas of other philosophers who are believed to have influenced Democritus.
Other
New Geneva Center: Democritus
The New Geneva Center offers a brief description of the philosophy of Democritus and how he differed from Socrates.