Who Turned Out the Lights?

It doesn't matter how old you are or where you live, you can help protect the environment. Created in 2005 for World Environment Day, the agreement shows that the simple steps one can take to make a change have stayed the same, despite...

How much energy does it take to light a room? Class members calculate the total wattage it takes to light the classroom. Through calculations, responsible scientists determine the cost of energy for the year, then figure out how much...

Astound your aspiring physicists with a simple demonstration of refraction. They watch as you allow a stream of water to spray out of a hole in an aluminum can. Then, as you shine a light down from the top opening, its path follows and...

While we are all familiar with what happens when you turn on a light bulb, Albert Einstein was convinced that there was more happening than meets the eye. The video describes his extension of the research of others to ultimately...

Can you bend light waves using water? Physics Girl demonstrates this phenomenon and explains how it happens as part of her larger series. She then details the applications and even explains how the Internet works.

Barbie, pink flowers, Pink Panther, pink pigs, pink clothes, and pink flamingos all have one thing in common — they really aren't pink because there is no such thing as pink light. So, what is the color we call pink? The short video...

Do you sneeze when you go from dark to light areas? Twenty-five percent of the population does! It turns out that the characteristic is due to genetic code. Explore why this happens with a video from the Veritasium playlist that breaks...

A LED light, a camera, and a battery can provide the means to sending hidden messages. This is a demonstration that is bound to captivate your class. You can have learners get into groups after they have watched the video to explain the...

What can the electromagnetic spectrum tell us about the sun? As it turns out, quite a bit! See the sun in a whole new light with a video from NOVA's Sun Lab unit. The narrator describes the electromagnetic spectrum in terms of visible...

It turns out that some laws were definitely not meant to be broken! A short illustrative video explains why the first and second laws of thermodynamics prevent perpetual motion machines from actually moving perpetually — and why...