Colorado State University
Csu: Model of Basic Otto Cycle
This site from the Colorado State University discusses the Otto cycle of a car engine. Includes a highly mathematical treatment of the efficiency of such engines. Includes a link to a java applet investigating the efficiency of such...
CK-12 Foundation
Ck 12: Earth Science: Types of Fossilization
[Free Registration/Login may be required to access all resource tools.] Five methods that create fossils.
Curated OER
Kids Health: Strains and Sprains Are a Pain
In addition to describing how one might get a strain or sprain, this article offers well-organized, clear advice for those caring for their sprained or strained muscles. Links to related information included.
TeachEngineering
Teach Engineering: Rock Solid
Rocks cover the earth's surface, including what is below or near human-made structures. With rocks everywhere, breaking rocks can be hazardous and potentially disastrous to people. Students are introduced to three types of material...
CK-12 Foundation
Ck 12: Plix: Stress Types: Geological Stresses
[Free Registration/Login Required] This site includes the chance to label diagrams and answer a short quiz about geological stresses.
Exploratorium
Exploratorium: Structures Around the World
How does that bridge stay up? What are the forces acting on that column? This site helps students understand how structures can be built by having them build their own. Also provides images of real structures for kids to compare with...
Physics Classroom
The Physics Classroom: Waves: The Anatomy of a Wave
Students explore the characteristics of both transverse and longitudinal waves.
CK-12 Foundation
Ck 12: Earth Science: Geological Stresses Study Guide
Understand the basics of geologic stresses in this study guide.
Wikimedia
Wikipedia: Concrete
Wikipedia provides an encyclopedia entry about concrete that features pictures, diagrams, history and other information, as well as links to related topics.
Other
Especial Gas Inc.: Chlorofluorocarbons Cfc's
Especial Gas Inc. provides a good description of what CFCs are and the dates that countries started to ban them. Explains where the name freon came from.
Other
Granta Design Limited: Glossary of Materials Attributes
From the Cambridge Engineering Selector web site. Contains a lengthy list of definitions of a variety of material properties related to solid strength and elasticity (and more). Definitions are accompanied by equations and metric unit...
Sophia Learning
Sophia: Calculating Forces: Lesson 4
This lesson will explain how to calculate net forces on an object being pushed or pulled. It is 4 of 4 in the series titled "Calculating Forces."
Sophia Learning
Sophia: Calculating Forces: Lesson 1
This lesson will explain how to calculate net forces on an object being pushed or pulled. It is 1 of 4 in the series titled "Calculating Forces."
Sophia Learning
Sophia: Introduction to Tension: Lesson 1
This lesson introduces the concept of tension. It is 1 of 2 in the series titled "Introduction to Tension."
Other
Warmair.com: Refrigeration Cycle
The expansion-compression-condensation cycle of a refrigerator is discussed and explained. Understandable language but no graphics.
Curated OER
Warmair.com: Refrigeration Cycle
The expansion-compression-condensation cycle of a refrigerator is discussed and explained. Understandable language but no graphics.
MadSci Network
The Mad Scientist Network: Bouncing Rubber Ball
A question and answer format is used to relate elastic potential energy to the bounce of a rubber ball. Explanation of this simple phenomenon is thorough, complete, and free of trite statements.
Other
Warm Air: Central Air Conditioning
The operation of conventional air conditioners are described. Their parts and the refrigerant/heat exchange cycle is discussed. The use of alternative geothermal systems are explained.
Music Education
Learning to Read Music: Shaping and Volume of Music
This introductory tutorial introduces students to basic symbols and notation in music.
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