Khan Academy
Khan Academy: Dalton's Atomic Theory
An article describing Dalton's atomic theory. Learn how this theory was the first attempt to describe a fundamental part of matter, atoms. Article also discusses where the theory is incorrect based on the knowledge we have today.
Texas Education Agency
Texas Gateway: It's All About Cell Theory
The following tutorial is an explanation of cell theory.
PBS
Pbs Learning Media: Gamma Ray Burst Theories
This video segment from Swift: Eyes through Time introduces and explains theories of the origin of gamma-ray bursts. [4:11]
Texas Education Agency
Texas Gateway: Theories
Given laboratory investigation scenarios, students will distinguish between scientific hypotheses and scientific theories.
Shippensburg University
Shippensburg University: Personality Theories: Carl Jung (1875 1961)
This detailed and illustrated overview of the life and work of the Swiss psychologist-psychiatrist Carl Jung discusses his background, how he developed his theories, the influence of Freud, and how his works influence psychiatry today.
University of California
Ucmp: Evolution: Theory and Science
An introduction to Darwin's theory of evolution with hyperlinks to other topics on evolution, including a timeline of evolutionary thought.
Cosmo Learning
Cosmo Learning: Courses: Guitar Music Theory
A series of 16 video lessons that teach basic guitar theory. Lessons discuss intervals, perfect and diminished notes, and octaves. Videos vary in length.
TED Talks
Ted: Ted Ed: What's the Difference Between a Scientific Law and Theory?
What is the difference between a theory and a law, and is one better? Matt Anticole shows why science needs both laws and theories to understand the whole picture. [5:12]
TED Talks
Ted: Ted Ed: String Theory and the Hidden Structures of the Universe
What is everything made of? Thus far, we can break everything in the universe down to a few very small elementary particles. But they fit into strange patterns that are not understood. Clifford Johnson describes these ideas, along with...
CK-12 Foundation
Ck 12: Life Science: 4.1 Theory of Evolution
Discover how Charles Darwin developed the theory of evolution through his observations in the Galapagos Islands.
Shippensburg University
Shippensburg University: Personality Theories: Karen Horney
Very good site for capturing the major tenets of Horney's major personality theories. Compares the similarities and differences in her theories and Freud's in written and chart form. Biography also included.
Shippensburg University
Shippensburg: Personality Theories: Alfred Adler
Brief biography of Alfred Adler and concise examination of his theories of inferiority, social interest and birth order.
PBS
Nova: The Elegant Universe: Viewpoints on String Theory: Sheldon Glashow
Transcript of an interview with physicist Sheldon Glashow on his attitude toward string theory and its impact on the study of particle physics and cosmology.
The Wonder of Science
The Wonder of Science: Ms Ls1 1: Cell Theory
Work samples, phenomena, assessment templates, and videos that directly address standard MS-LS1-1: cell theory.
Jim Loy
Jim Loy: Phlogiston Theory
A detailed explanation of the Phlogiston Theory, including reaction equations. Includes several formulas, examples, and detailed information.
Ducksters
Ducksters: Physics for Kids: Theory of Relativity Light and Time
Kids learn about the speed of light and time dilation in regards to the theory of relativity in the science of physics. Also how gravity can change the passage of time.
Other
Fear of Physics: Albert Einstein's Theory of Relativity
Fear of Physics uses animations and simple language to teach the theory of relativity.
Michigan State University
Michigan State University: Domino Theory Principle, Dwight D. Eisenhower, 1954
President Eisenhower's news conference of April 7, 1954, with questions and answers. Includes the complete interview.
Story Behind the Science
Story Behind the Science: Ice Ages, an Alien Idea [Pdf]
Article describing the scientific evolution of theories about the ice ages and glaciation. The international efforts of scientists are noted, as well as the influence of societal mores on how long it would generally take for new ideas to...
Utah Education Network
Uen: Trb 4:4 Investigation 6 Dinosaur Extinction
Research and analyze theories on why dinosaurs became extinct.
Other
Graphs, Stories, and Games: Games on Graphs
What a great way to make math fun for your elementary students! Learning happens almost by osmosis by using this interesting game that uses stories, a graph (the kind of graph defined in the branch of mathematics called Graph Theory),...
Mocomi & Anibrain Digital Technologies
Mocomi: Theory of Relativity
Understand what relativity is and what Albert Einstein discovered while studying it. Identify special relativity and general relativity.
Other
Free Codecamp: How to Think in Graphs
In this article, we're going to demonstrate various applications of graph theory. These applications will contain detailed illustrations. As the author states, if you've been looking for a "graph theory and everything about it tutorial...
Mathigon
Mathigon: Graphs and Networks: Planar Graphs
Here is another puzzle that is related to graph theory. In a small village there are three utility plants producing water, electricity and gas respectively. There are also three houses which need to be served. Unfortunately, due to the...
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