Only 10 percent of an incandescent bulb's energy is used to create light; the remaining 90 percent is heat. In the unit of activities, young chemists examine energy through hands-on activities, videos, discussions, and...

Ralph Ellison's Invisible Man is the most frequently cited novel for the Advanced Placement Literature and Composition Open Response Question. Those new to using the book and and veterans as well will find the teaching strategies, the...

Using the 5E method for teaching about kinetic energy, potential energy, and conservation of energy, this two-week unit with many videos and possible extensions is sure to keep pupils engaged as they are learning.

Equip young campers with important survival knowledge with a set of engaging lessons. Teammates work together to complete three outdoor activities, which include building a shelter, starting a campfire, and finding directions in the...

Multiple activities help students gain a better understanding of light bulbs and the many uses of artificial light. Click on the links provided for further exploration.

[Free Registration/Login may be required to access all resource tools.] What artificial light is and five different types, and how each type produces visible light.

Uncountable times every day "with the merest flick of a finger"each one of us calls on electricity to do our bidding. What would your life be like without electricity? Students begin learning about electricity with an introduction to the...

You've probably heard that carbon dioxide is warming the Earth. But how exactly is it doing it? Lieven Scheire uses a rainbow, a light bulb and a bit of quantum physics to describe the science behind global warming. [5:01]