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...

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...

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.

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

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.

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

Explains what thermal energy is, describes some different types, and presents facts about each type.

Provides a detailed explanation of how the Venturi Effect works in fluid mechanics and how it can be proven using Bernoulli's equation. Also discusses applications of the Venturi Effect in the real world.

Provides a long list of physics formulas for easy reference.

A lengthy set of lecture notes on the distinction between heat and temperature. The science of thermography is introduced; the Kelvin temperature scale is explained and compared to the Celsius temperature scale. The meaning of a triple...

A discussion from the Oklahoma Climatological Survey of the thermal factors effecting the movement of air masses in the atmosphere. Numerous topics such as methods of heat transfer, latent heat, phase changes (including sublimation and...