[Free Registration/Login may be required to access all resource tools.] Students take a closer look at how our understanding of the atom has evolved over time.

By the end of this section, you will be able to define linear momentum, explain the relationship between linear momentum and force, state Newton's second law of motion in terms of linear momentum, and calculate linear momentum given mass...

This site describes the ongoing work by the Stony Brook Center for Nuclear Theory in the field of Quantum Chromodynamics, and gives a brief definition of this concept. The site has a link to the webpage of the primary research scientist.

Kids learn about the glossary and terms for the science of astronomy including words and definitions such as asteroid, comet, meteoroid, galaxy, eclipse, etc.

This site provides a short definition of Kirchoff's First Law as well as illustrations & animations that show how the law works.

This site provides a small definition of Kirchhoff's Second Law as well as illustrations & animations that show how this law works.

Good use of linking to provide definitions of power along with examples and probing questions. Created by Robert H. Gowdy, physics instructor at VCU.

An in-depth encyclopedia article from Wikipedia on waves gives a definition for what a wave is. Other content in the article includes a list of examples and characteristics of waves, information about the difference between transverse...

CommonLit.org is a wonderful resource to use in a Language Arts classroom. Each story, article or poem is accompanied by guided reading questions, assessment questions, and discussion questions. In addition, students can click on words...

Here, you can read a definition of compulsive eating disorder as well as click on links to read about binge-eating danger signals and physical complications.

Explains checks: definition, physical characteristics, checking terminology, what makes it valid or unvalid, fraud, etc. It also offers links to more information about banking.

A brief definition is given for Paschen Series in this glossary of Chemistry-related terms.

This site provides a basic experiment that shows how a lens works. This lesson plan explains nearsightedness and farsightedness. It also explains concave and convex lenses.

Test your logic, polygon properties, and pattern recognition skills working on this challenge. Solution included.

A discussion of the composition of complex sounds produced by a musical instrument. Good illustration of how music is applied to physics. Quite a bit of good information, several pages linked together with good definitions as well as...

A discussion of the composition of complex sounds produced by a musical instrument. Good illustration of how music is applied to physics. Quite a bit of good information, several pages linked together with good definitions as well as...