Students discover how mirrors affect optics in this module through reading informational text, watching animations, and answering self-checking practice questions.

[Free Registration/Login may be required to access all resource tools.] In this module, discover and solve problems involving the index of refraction, and investigate problems involving Snell's Law.

In this lesson young scholars revisit the mathematics required to find bone mineral density, to which they were introduced in Lesson 2. They will learn the equation to find intensity and how to use it. There is a sheet of practice...

Read about Becquerel's (1852-1908 CE) contributions to the world of science, which earned him The 1903 Nobel Prize in Physics. This detailed biography includes important dates as well as an overview of his world with radioactivity.

[Free Registration/Login Required] Move the light source to see what happens to the reflected ray as you change the angle of the incident ray.

Infrared light lies between the visible and microwave portions of the electromagnetic spectrum. Infrared light has a range of wavelengths, just like visible light has wavelengths that range from red light to violet.

This animation depicts the path of light to each person's eye. Different people are sighting in different directions; yet each person is sighting at the same image location. In this animation the image location is the intersection point...

A collection of video lectures from a course that explores the application of electrical engineering topics. Webpage includes twenty-eight lectures from a professor at the University of California, Berkeley. Lectures vary in length and...

This site from IPAC is a series of images of various celestial objects and regions as viewed in infrared light. Each photo is accompanied by a caption.

In this activity, students test the Law of Reflection based on experimental evidence. However, the back-silvered glass mirrors present a twist and offer them a challenge to work out what happened as the light traveled into and out of the...

This website, from the University of Edinburgh, provides a lengthy glossary of computer graphics terms written by Olin Lathrop, author of "The Way Computer Graphics Work". This site provides simple definitions of basic terms; no graphics...

This site from The Florida State University provides an informational page on electromagnetic radiation discusses the characteristics and properties of its many forms including X-rays, gamma rays, ultraviolet radiation, infrared...

Learn about the sun's harmful effects on human skin and find simple tips that help prevent getting sunburn, which can lead to skin cancer.

Test your understanding of the simple lens law.

This is a four-question quiz related to the "Sight (Vision) -- Passage 2."

Young scholars are introduced to the electromagnetic spectrum through this group research activity. Each group investigates a different wavelength range within the em spectrum and reports back to class. Discussion ideas also included.

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

Learn why quasars are the brightest things in the universe. Vocabulary words linked to a glossary of terms and a printable version are available.

Younger students learn why comets race through the sky as well as related vocabulary words and meanings.

This biographical note on Wilhelm Conrad Rontgen describes his boyhood, upbringing, education, scientific work and accomplishments. Focuses on his studies of Xrays.

This site examines the black hole as an object in astrophysics. Delve into this comprehensive resource that covers this concept from its history, to qualitative physics, the reality of black holes, mathematical physics and more.

You are on a mission--find out which alien invader is trying to blow up Earth! Take part in wiping crime from the universe and feel good about yourself in the process.

[Free Registration/Login Required] An informational text about electromagnetic radiation and the effects it creates. A question sheet is available to help students build skills in reading comprehension.

This site details what radiation is, the physics of radiation, and radiative transfer as it occurs in nature. Content explores the electromagnetic spectrum, electromagnetic waves, properties of radiation, and solar radiation.