Fireflies are more than just mobile twinkle lights. An online interactive lesson teaches individuals about the light patterns fireflies use to communicate with each other. After they practice the patterns themselves, they could be...

Resource focuses on the relationship between the frequency, wavelength and speed of light. Has a link to an interactive activity relating frequency, wavelength, and energy.

This interactive activity adapted from the University of Utah's ASPIRE Lab provides an overview of the characteristics and properties of various types of waves, including light waves, sound waves, and water waves.