CK-12 Foundation
Ck 12: Physical Science: Changes of State
[Free Registration/Login may be required to access all resource tools.] Definition of a change of state and the physical processes that cause it.
CK-12 Foundation
Ck 12: Physical Science: Chemical Change
[Free Registration/Login may be required to access all resource tools.] Definition of chemical change and examples, signs of chemical change and how it can be reversed.
Physics Classroom
The Physics Classroom: Work, Energy, and Power: Definition/mathematics of Work
Through examples and interactive practice problems, motion will be approached from the perspective of work and energy.
Texas Education Agency
Texas Gateway: Work: The Scientific Definition
By the end of this section, you will be able to explain how an object must be displaced for a force on it to do work; explain how relative directions of force and displacement of an object; and determine whether the work done on the...
Other
Uc Santa Cruz: Collisions
A physics definition of collisions with examples to illustrate the concept and related links to problems and solutions.
Georgia State University
Georgia State University: Hyper Physics: Air Friction
Physics lab definition of air fiction. Part of a hypertext physics course on sound.
Georgia State University
Georgia State University: Hyper Physics: Total Internal Reflection
This physics department site provides a definition and explanation of the phenomenon of total internal reflection. Includes a diagram and an equation for calculating the critical angle for light approaching a surface.
CK-12 Foundation
Ck 12: Physical Science: Scope of Chemistry
[Free Registration/Login may be required to access all resource tools.] Definition of chemistry and examples of chemistry in everyday life.
CK-12 Foundation
Ck 12: Physical Science: Solute and Solvent
[Free Registration/Login may be required to access all resource tools.] Definition of solute and solvent and examples. Water as a solvent and how ionic and covalent solutes dissolve in water.
CK-12 Foundation
Ck 12: Physical Science: Synthesis Reactions
[Free Registration/Login may be required to access all resource tools.] Definition and example of a synthesis reaction.
CK-12 Foundation
Ck 12: Physical Science: Biochemical Reaction Chemistry
[Free Registration/Login may be required to access all resource tools.] Definition of a biochemical reaction, the different types and the importance of enzymes in biochemical reactions.
CK-12 Foundation
Ck 12: Physical Science: Combustion Reactions
[Free Registration/Login may be required to access all resource tools.] Definition and examples of a combustion reaction.
CK-12 Foundation
Ck 12: Physical Science: Exothermic Reactions
[Free Registration/Login may be required to access all resource tools.] Explains the definition of an exothermic reaction, the role of energy, and examples of exothermic reactions.
CK-12 Foundation
Ck 12: Physical Science: Unsaturated Hydrocarbons
[Free Registration/Login may be required to access all resource tools.] Definition of an unsaturated hydrocarbon and the different types.
CK-12 Foundation
Ck 12: Physical Science: Matter, Mass, and Volume
[Free Registration/Login may be required to access all resource tools.] Definition of matter and what mass and volume measure.
CK-12 Foundation
Ck 12: Physical Science: Replication in Science
[Free Registration/Login may be required to access all resource tools.] Definition of replication and its importance in science.
CK-12 Foundation
Ck 12: Physical Science: Saturated Hydrocarbons
[Free Registration/Login may be required to access all resource tools.] Definition of a saturated hydrocarbon, how it is named and the shapes it forms.
CK-12 Foundation
Ck 12: Physical Science: Decomposition Reactions
[Free Registration/Login may be required to access all resource tools.] Definition and example of a decomposition reaction.
CK-12 Foundation
Ck 12: Physical Science: Radioactivity
[Free Registration/Login may be required to access all resource tools.] Radioactivity: how it was discovered, definition of radioactivity and radiation and examples of radioactive elements.
CK-12 Foundation
Ck 12: Physical Science: Replacement Reactions
[Free Registration/Login may be required to access all resource tools.] Definition and examples of a replacement reaction.
CK-12 Foundation
Ck 12: Physical Science: Calculating Derived Quantities
[Free Registration/Login may be required to access all resource tools.] Definition of derived quantity and calculation and units of derived quantities (area, volume, density).
CK-12 Foundation
Ck 12: Physical Science: Calculating Derived Quantities
[Free Registration/Login may be required to access all resource tools.] Definition of derived quantity and calculation and units of derived quantities (area, volume, density).
CK-12 Foundation
Ck 12: Physical Science: Endothermic Reactions
[Free Registration/Login may be required to access all resource tools.] Definition of an endothermic reaction, the role of energy, and examples of endothermic reactions.
CK-12 Foundation
Ck 12: Physical Science: Molecular Compounds
[Free Registration/Login may be required to access all resource tools.] Definition of covalent compound, how they are named and how they differ from ionic compounds.