By the end of this section, you will be able to define pitch; describe the relationship between the speed of sound, its frequency, and its wavelength; describe the effects on the speed of sound as it travels through various media; and...

Explains where visible light fits into the electromagnetic spectrum and the wavelengths for the different colors we see.

A collection of teaching resources that look at the carbon cycle and its role in a changing climate.

Learn how to make waves of all different shapes by adding up sines or cosines. Make waves in space and time and measure their wavelengths and periods. See how changing the amplitudes of different harmonics changes the waves. Compare...

A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

Utilize this wiki-type page created by students and faculty members to gain a higher understanding of the electromagnetic waves. Study the equations to comprehend how different variables can affect characteristics of wavelengths.

Discusses the history of the discovery and study of electromagnetism, the scientists who worked on it, the basic principle, how wavelength and frequency are related, and types of electromagnetic waves.

Echolocation is the ability to orient by transmitting sound and receiving echoes from objects in the environment. As a result of a Marco-Polo type activity and subsequent lesson, students learn basic concepts of echolocation. They use...

This physics tutorial explores forced vibration. Includes links to natural frequency, standing wave patterns and fundamental frequency and harmonics.

NASA related site shows the entire Electromagnetic Spectrum. Provides a brief description of the expansive colored spectrum as well as a related link that provides more details.

This site from Architectural Acoustics and Lighting provides a discussion of various factors affecting the acoustics of a given room. Room dimensions, the wavelength of the sound wave, the physical characteristics of the walls, the...

This hypertext physics course page illustrates and explains the Doppler effect. Users perform practice calculations for frequency shifts using the Doppler equation.

Discusses the physics of how sound travels. Includes a video of a volcanic eruption that demonstrates the speed of sound waves.

"We present the many satellites which have detected electromagnetic radiation through the 1960s, 70s, 80s, and 90s." Visit this site to read more about the development of satellites throughout the history of gamma-ray astronomy. Graphics...

Acting as part of an overview on quantum theory, this section of the site answers the question, what is a wave? In addition to a definition, several examples and formulas are provided.

A short sketch of the life and work of Thomas Young (1773-1829 CE). Traces early upbringing and education and his scientific discoveries and contributions.