Compare and contrast the physics of heat flow with a well-designed video lesson. The 22nd installment of the Crash Course series is an overview of the physics of heat. After beginning with a discussion of thermal energy and heat, the...

Time for a crash course! The 10th installment in a video series describes the physics behind collisions. With a focus on momentum and energy, the narrator describes both elastic and inelastic collisions.

Help your classes visualize the invisible. The 26th episode in a Crash Course physics playlist highlights the fields created by charged particles. Using examples and diagrams, the presentation demonstrates the magnitude and direction of...

How does a lens work? A thorough video lesson addresses this question by looking at the lenses of human eyes, telescopes, and microscopes. Light waves play an important role function of each of these objects. This is the 41st lesson in...

Rev up your teaching with a lesson on engines! The 24th installment in a Crash Course physics series explains the basics of an engine through a discussion of thermodynamics. The instructor shows examples explains the efficiency of the...

Light can be a mysterious phenomenon. Take away some of the mystery with an intriguing video lesson. The 38th lesson of the Crash Course physics series studies the movement of light waves. Topics include refraction and reflection as well...

All circuits are not created equal! Building on the previous lessons in the Crash Course series, the 29th lesson explains how electric current flows through a circuit. It spends equal time discussing both series and parallel circuits.

Explore the science behind thermometers. Rather than measuring temperature, thermometers track the movement of heat from hot to cold. The installment of the ACS Reactions series examines the chemical response that make thermometers work.