What is mu? Emerging scientists explore the coefficient of sliding friction, or mu, and apply its concepts as they complete activities in the interesting lesson. They measure the sliding friction between soles of their own athletic shoes...

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...

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...

An indexing page from Georgia State University Physics Department which includes links to various other pages with information pertaining to thermal expansion. From expansion coefficients to equations to calculation and practice pages,...

A page describing the concept of temperature and temperature scales. An interactive JavaScript form allows the visitor to investigate the relationship between the Kelvin, Celsius and Fahrenheit scales; enter a value and allow the...

The concept of area expansion is presented and explained. An equation for calculating the amount of area expansion is provided.

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...

An activity in which average speed is calculated for a ball sliding along an inclined plane. This speed is compared to various instantaneous speeds along the incline.

A table listing the average radius of orbit for the nine planets about the sun; expressed in astronomical units. Data can be used to calculate the orbital speed or the orbital period.