Here's a resource ideal for independent learners who need extra reinforcement or would like to work ahead. These textbook chapters and practice problems cover many basic physics concepts, starting with potential and kinetic energy and...

Not all chemical reactions happen at the same rate because some, like explosions, occur quickly and some, like rusting, occur over time. Here, learners explore chemical reactions and their rates in the 16th lesson of 36. Through readings...

Test the limits of gravity while encouraging full class participation with this thrilling lesson. Pupils investigate the meaning of work and how it is equivalent to energy. They explore the joule and apply it as a unit of work. They...

This site from Georgia State University Physics Department defines kinetic energy and compares and contrasts it with other forms of energy. Provides an equation and links to further, more-detailed information.

Explains what is meant by kinetic energy and demonstrates how to use the formulas for a point mass moving at less than the speed of light, for rotational motion, and for a mass moving at a relativistic speed. Includes interactive...

Kinetic energy is defined and explained--learning exercises are included to assess your understanding.

Find out how gravitational potential energy is converted to kinetic energy, then finally into low-grade thermal energy.

A mathematically understandable presentation of relativistic energy. Parts include Relativistic Energy, Rest Mass Energy, Conservation of Energy, Pair Production, Relativistic Kinetic Energy, and even Kinetic Energy. A couple of...

As part of a larger resource called "Getting started in Chemistry," this page examines various topics related to energy. The types of energy discussed include kinetic, potential, thermal, and chemical.

This downloadable article addresses all aspects of nuclear energy. Visual charts make understanding of cycles and concepts easier. Most useful for older students and educators. PDF (requires Adobe Reader).

From the Glenn Research Center at NASA, read about the law of conservation of energy. Included are formulas and many links to key terms.

Read about all the different kinds of potential and kinetic energy. Includes energy formulas and examples of energy applications.

Learn the difference between potential and kinetic energy, and how this plays a role in the sources we use for our energy needs.

Understand and review energy concepts with this study guide.

Describes examples of thermal energy in the natural world from the Sun, the oceans, and the Earth.

Outlines the seven main principles of energy.

An explanation of types of energy, how living things use energy and how they can convert energy forms. This is a good, basic, start to studying this characteristic of life.

Learn about mechanical energy, and its forms of potential and kinetic.

Explains what kinetic and potential energy are and how they differ.

A simple introduction to energy, offering information on hydro-electric energy, fossil fuels, nuclear power, solar energy, and wind energy.

Basic definitions and examples for the concepts of work, energy, and power. Covers kinetic and potential energy, and conservation of energy.

What is energy? Article provides a brief discussion of the many different forms of energy.

Defines work, energy, and power. Explains the work-energy principle, types and forms of energy, and presents some exercises to try.

Explains what each of these types of energy is and provides examples.