Third graders create a map showing the journey of rice from the field to the grocery store.  In this agriculture lesson, 3rd graders discover and map the process of harvesting and preparing rice to be packaged and shipped to sell to...

Students investigate how to create secrete messages through filters. They view pictures with red and green filters and discuss what they observe. They select the color filter that works best to read secret messages. They view pictures...

For this quartz worksheet, high schoolers read about the chemical structure and properties of quartz and its commercial applications. Then, students complete 7 short answer questions.

Young scholars study the brain and examine what the functions of the major functions are.  In this investigative instructional activity students dissect a sheep's brain and note the similarities and differences between it and a...

Students examine the eyeball and its parts.  In this sight lesson students divide into groups and complete a lab activity that includes creating a model.

Students investigate how we use technology to communicate.

For this quartz worksheet, students read about the chemical composition of quartz and its commercial applications. Then students complete 7 short answer questions.

A simple experiment that demonstrates the concept of total internal reflection, and shows how light can travel around curves and corners, as it does in fiber-optic cables. Accompanied by an explanation of what's happening.

[Free Registration/Login may be required to access all resource tools.] What optics are and different types, and how they work and form images.

Describes the importance of laser technology to modern life, how the laser was invented, how lasers work, and what we can expect in the future from laser technology. [Date of Article: October 27, 2010]

A number of strands of fiber optic cable emit a glowing light at the tips, the effect further enhanced by the black background.

This experiment demonstrates the concept of total internal reflection, using basic materials. Accompanied by a detailed explanation of what's happening, and links to articles on reflection and refraction.

Theodore Maiman built the world's first operable laser. Ironically, Maiman's first paper announcing this momentous achievement, which many other scientists had been racing to complete themselves, was rejected. Since then, however, lasers...