Narrow Search

Filters: Your search found 43 results.
Topics/Subjects:
Light and optics  
Materials Cost:
Free  
Sort by:
Per page:

Now showing results 1-10 of 43

This article explains how Earth's atmosphere scatters the light from the sun, thereby creating the blue color we typically associate with our sky. Supplementing this article is an explanation of the importance of scattering sunlight. The article is... (View More)

Audience: Informal education
Materials Cost: Free

This news story highlights Hubble's infrared image of the Horsehead Nebula. Students will discover why astronomers are interested in this nebula and how they study the nebula using infrared light. The reading identifies and defines vocabulary that... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free

This lithograph features an image from the Hubble Space Telescope, showcasing a colorful view of the star-forming nebula N90, located in the Small Magellanic Cloud. The accompanying activity, In Search of...the Electromagnetic Spectrum, is a... (View More)

This series of visual presentations illustrates common physics principles across vastly different scales, using human-scale photographs, earth science and astrophysics imagery. The products look at such topics as shadows, wind, bow waves and... (View More)

Audience: Informal education
Materials Cost: Free

This textbook chapter traces the historical development of the modern scientific understanding of light, and reviews the electromagnetic spectrum and the Earth's atmospheric shield. The resource includes links to current news articles, and a suite... (View More)

In this activity, students learn that infrared light is reflected in the same manner as visible light. Students align a series of mirrors so that they can turn on a TV with a remote control when the remote is not in a direct line with the TV. As a... (View More)

Audience: Middle school, High school
Materials Cost: Free

This interactive, web-based activity allows children to see the universe in many different wavelengths of light - light our eyes can and cannot see. To use the viewer, first select a celestial object (planet, galaxy, etc.), then select an... (View More)

Audience: Informal education
Materials Cost: Free

In this lesson, students will explain CRaTER's purpose and how it works. They will also design (using paper and pencil) a cosmic ray detector to answer their own questions. CRaTER's purpose is to identify safe landing sites for future human missions... (View More)

Audience: Middle school
Materials Cost: Free

In this lesson about cosmic rays, students will describe why cosmic rays are dangerous to astronauts. Includes information about student preconceptions. This is activity 3 of 4 from "The Cosmic Ray Telescope for the Effects of Radiation (CRaTER)."

Audience: Middle school
Materials Cost: Free

In this lesson, students will learn how cosmic rays were discovered and what they are - including their size and speed. Includes background information for the teacher, questions, activities and information about student preconceptions. This is... (View More)

Keywords: Cosmic ray
Audience: Middle school
Materials Cost: Free
«Previous Page12345 Next Page»