An Eye on Color: Great primary site to explain how the human eye works. 

Aurora: Self Guided Lesson: This site geared for 6^th –12^th grade students lets students study the Aurora phenomena. Great spin off to light and what causes the colors in the sky. 

Auroras Paintings In the Sky: Learn more about what causes the Northern Lights. 

Light in a Storm: Patterns of a Lighthouse: Students grades 3-6 work in teams to uncover the patterns of light and sound in a lighthouse. Students then use this information to create a lighthouse on their team.

Lightning: The Shocking Story: Lightning is very dangerous. Check out this site to learn more about lightning and it’s effects.

Magic Factory: Fun interactive activities that teach you about light as a principle of photography in connection to the concept of light. Site requires Shockwave. 

Physics 2000:Einsteins Legacy: EXCELLENT Elementary site to learn about x-rays, CAT scan, Lasers, television, and laptops with a superior interactive program. 

Electricity: Theme page to explore the world of electricity and static electricity. If you have a question about electricity the answer is here. This site has clear information, games, and additional links. 

Electricity and Magnetism: This giant site will have just what you are looking for related to electricity. 

Welcome to Electricity: Excellent interactive site with information, quizzes, and activities that explain the concept from its basics to more complicated activities. 

The Cell: Excellent website from Thinkquest with many lessons, photographs, online quizzes, and excellent resources. Use this to spring your students from the concept of light to the microscopic world of cells. 

Cells Alive! Great place to just look at the cell gallery or explore the microscopic world or cells. 

MicroWorlds: Excellent site for exploring various kinds of microscopes, their history, as well as sites to use to see slides from the microscopic world. 

Scanning Electronic Microscope: Excellent site to show the use of an electronic microscope. This site also includes an excellent gallery of scanned images and additional links to the web. 

Small Things: Theme page to explore the world of the microscope. 

From Galileo to Hubble: An interesting tutorial activity that spans this time period and development of telescopes. 

Hubble Deep Field Academy: Learn more about the Hubble telescope and how it works. 

Hubble: A View to the Edge of Space: Learn more about the Hubble Space Telescope and see actual live photos of our Solar System. 

The Solar System: Theme page to explore the Solar System and the use of a telescope. 

Star Light, Star Bright: Fun site that includes basic information on light, plus two great interactive activities showing how visible light is created and frequency of waves. Additional links and lesson plans are also in this site.