The tarsier is a fascinating animal. Its eyes and neck coordinate to allow it to see well, and its ears can curl and uncurl. The tarsier is found in South East Asia. Details about its physical features and diet are given here.

Here is a 1-5 day unit on electromagnetic radiation that features a teacher guide and student activities with extensions.

A discussion of ultraviolet light and its interaction with the atmosphere. Describes the UV detectors on a spacecraft which are used to study the UV light emissions from astronomical bodies.

Although developmental and behavioral disorders are increasingly widespread, they are still poorly understood by most of society. The lack of knowledge is further compounded by the stigma that often accompanies a diagnosis of a...

Describes the life and scientific contributions of Johann Jakob Balmer. Discussion focuses on Balmer's contributions to the line spectra of hydrogen.

This site from Georgia State University discusses the location of visible light on the electromagnetic spectrum. Includes the wavelength values for various colors of light within the visible light spectrum.

View the entire spectrum of electromagnetic radiation and get information on telescopes especially designed to view different wavelengths of the spectrum.

View the entire spectrum of electromagnetic radiation and get information on telescopes especially designed to view different wavelengths of the spectrum.

View the entire spectrum of electromagnetic radiation and get information on telescopes especially designed to view different wavelengths of the spectrum.

View the entire spectrum of electromagnetic radiation and get information on telescopes especially designed to view different wavelengths of the spectrum.

This site from the University Corporation of Atmospheric Research provides a lengthy page covering numerous topics including the difference between heat and temperature, the use of different temperature scales, thermal expansion, how a...

Site developed by NASA to support training at the Goldstone-Apple Valley Radio Telescope. A manual in PDF format that covers everything from the basics of electromagnetic spectrum through radio sources through mapping the sky in the...

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...

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...

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...

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...

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...

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...

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...

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...

View satellite pictures of 19 different areas of the ice shelves surrounding Antarctica. Each picture is labeled and can be viewed in the thermal or visible parts of the spectrum.

A review of terms associated with the study of color as an element of art: spectrum, hue, color wheel, primary colors, secondary colors, tertiary colors, complementary colors, and analogous colors.

A short explanation of how we see color and what each of the primary and secondary colors symbolize.

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.