CK-12 Foundation
Ck 12: Plix: Potential Energy Diagrams: Conservation of Energy
[Free Registration/Login Required] Drag the red point up and down to explore the interaction between potential energy and kinetic energy in a barbell.
Georgia Department of Education
Ga Virtual Learning: Electric Fields and Electric Potential
In this interactive lesson unit, students will learn about electric fields and charge density. They will explore electric field diagrams and learn how they are used, as well as discover electrostatic potential energy and how it relates...
Texas Education Agency
Texas Gateway: Forms of Energy
Given diagrams, illustrations, or descriptions, students will identify the types of energy.
University of St. Andrews (UK)
University of St. Andrews: Physics and Astronomy: Electric Potential and Charge
From The Scots Guide to Electronics web site. The meaning of electric potential is described. A combination of diagrams and words are used to explain this difficult concept without the use of mathematics. Very well done!
NASA
Nasa: Kepler's Second Law
This site from NASA states Kepler's second law of planetary motion and depicts its meaning with an informative diagram. Relates the law to conservation of energy principles and discusses the eccentricity of a satellite's (or a planet's)...