Now that we have a primer on the aspects of the Big Bang Theory that we know definitely happened, let’s look further into what we don’t yet know, and how the theory could progress in the future. Since there is a discrepancy between...

Paul Andersen explains how scientists modify theories by constructing explanations. He also discusses the cycle of design used by engineers to solve problems. He starts by defining a theory as a well-established explanation of a...

Physicist Geoffrey West has found that simple, mathematical laws govern the properties of cities -- that wealth, crime rate, walking speed and many other aspects of a city can be deduced from a single number: the city's population. In...

The word "theory" is used very differently in casual everyday life vs. in science. In science, the word "theory" means so much more! Learn about what a scientific theory is with The Amoeba Sisters and discover why a scientific theory...

Explore the endosymbiotic theory with the Amoeba Sisters! This theory explains the development of the eukaryote cell from prokaryote cell symbiosis. Scientific theories are also briefly defined. Table of Contents: Intro 00:00 What is a...

This video explains the formation of the universe as described by the Big Bang theory.

Atomic Theory describes the scientific theory of atoms by explaining that all matter is composed of parts too small to be seen without magnification.

The Endosymbiosis Theory explains evidence supporting the scientific theory of the origin of eukaryotic cells by describing the process of endosymbiosis.

“Scientific Theory vs. Scientific Law” will explain the difference between a scientific theory and a scientific law and the importance of the evolution of theory over time.

A video explaining how embryology, anatomy, and genetics can be used as evidence for evolution.

This live-action video program is about the term scientific theory. The program is designed to reinforce and support a student's comprehension and retention of the term scientific theory through use of video footage, photographs,...

This live-action video program is about the term scientific theory. The program is designed to reinforce and support a student's comprehension and retention of the term scientific theory through use of video footage, photographs,...

This video will give you a sentence by sentence look at the introductory paragraph. In it you'll learn how to create an interesting title| an attention grabbing hook| a properly introduced subject| and a specific thesis statement. We'll...

HEADLINE: Perry doubts manmade global warming

CAPTION: GOP presidential candidate Rick Perry told New Hampshire voters Wednesday that he does not believe in manmade global warming, calling it a scientific theory that has not...