WebMD
Medicine Net: Hives
This site from MedicineNet.com provides the reader with great information on hives. Gives a definition and description, along with information on how they develop and the known causes. Links are provided throughout the article for...
American Academy of Family Physicians
Aafp: The Female Athlete Triad
This article from the American Family Physician journal is designed for female athletes. It includes the definition, risk factors, signs, diagnosis, treatment, and prevention of the female athlete triad.
CK-12 Foundation
Ck 12: Life Science: Organization of Living Things
[Free Registration/Login may be required to access all resource tools.] When you see an organism that you have never seen before, you probably put it into a group without even thinking. If it is green and leafy, you probably call it a...
CK-12 Foundation
Ck 12: Chemistry: Chemical Properties of Matter
[Free Registration/Login may be required to access all resource tools.] Definition of chemical property and examples of the chemical properties of matter.
CK-12 Foundation
Ck 12: Chemistry: States of Matter
[Free Registration/Login may be required to access all resource tools.] Definition of state of matter and the three common states of matter and their differences.
Texas Education Agency
Texas Gateway: 4.1 Development of Force Concept
By the end of this section, you will be able to understand the definition of force.
Texas Education Agency
Texas Gateway: Chapter 12: Neoclassical Perspective: Key Terms
This is a list of key terms and definitions presented in Chapter 12: Neoclassical Perspective from the Texas Gateway AP Macroeconomics online text.
Other
Avatar Consultants, Inc: Definition of Intensity
Power, loudness, and decibel levels of sound waves are described and explained. The relative power output of various musical instruments is given.
Alabama Learning Exchange
Alex: What's the Matter: Concentration Game
What's the Matter? is a guided inquiry lesson on classification of matter, physical and chemical properties, and physical and chemical changes. There are two parts to this lesson: (a) concentration game for definitions and (b)...
Other
Grant Design: Glossary of Materials Attributes Breakdown
This resource contains a lengthy list of definitions of a variety of material properties related to solid strength and elasticity. The definitions are accompanied by equations and metric unit information.
Wolfram Research
Wolfram Science World: Quantum Electrodynamics
In its description of quantum electrodynamics this definition provides the governing equations.
Wolfram Research
Wolfram Science World: Eric Weisstein's World of Physics: Electrical Conduction
A brief definition for what electrical conduction is. Also provides the definition for related terms.
CK-12 Foundation
Ck 12: Earth Science: Mechanical Weathering
[Free Registration/Login may be required to access all resource tools.] Describes various types of mechanical weathering.
OpenStax
Open Stax: Gauge Pressure, Absolute Pressure, and Pressure Measurement
From a chapter on Fluid Statics in a Physics textbook. This section of the chapter looks at the definitions of gauge pressure and absolute pressure, and how barometers work. It also discusses how blood pressure is measured. Includes...
Vision Learning
Visionlearning: Mechanics: Energy
Definitions of various forms of energy are presented along with a brief scientific history of energy related concepts.
National Institute of Standards and Technology (NIST)
International System of Units: Si Base Units
This is the definitive source for information on SI base units, derived units, squares, cubes, luminosity, field strength and flux density.
Khan Academy
Khan Academy: What Is Displacement?
Learn the definitions of position, displacement, distance, and distance traveled and view examples of each.
Khan Academy
Khan Academy: What Is Acceleration?
Provides definitions, examples, and formulas for acceleration.
OpenStax
Open Stax: Conservation of Energy
In the following tutorial, students will learn about the law of conservation of energy. They will read about some of the many forms of energy. They will understand the definition of efficiency of an energy conversion process as the...
University of Toronto (Canada)
Harrison/special Theory of Relativity
This page provides an incredibly detailed description of Albert Einstein's Special Theory of Relativity. Definitely an excellent website with great pictures and examples!
Other
Black Hills Institute: Arthropods
A brief definition and description of arthropods and their physical characteristics.
Wikimedia
Wikipedia: Atomic Number
Wikipedia provides the definition of the term, "Atomic number," a term used in chemistry and physics to represent the number of protons in the nucleus of an atom.
Other
Avatar Consultants, Inc: Tuning, Scales, and Temperament
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...
Victorian Web
The Victorian Web: Realism
This Victorian Web site defines realism as used in literature and as a "nineteenth-century movement that believed novelists and painters should concentrate on describing the physical, material details of life."