First You See It - Auroras!

Light and sound go hand in hand. Pupils set up a system that will emit sound when a laser is directed at a photodiode. Various objects, such as a comb and talcum powder, allow for modulation of the laser beam. Individuals also...

What do your pupils and snakes have in common? They can both see thermal radiation! A hands-on activity trains individuals to locate a thermal energy source blindfolded. They learn how to sense the location even when it is far away.

Can art play tricks on your eyes, and can a still painting really appear to vibrate? The second lesson in a four-part series discusses the way our beautiful brains translate visual images. It highlights the style of optical art and...

Seeing is believing! But, how can something as tiny as an atom be made visible? Explore the history of the atom with a video from the American Chemical Society's Reactions playlist. Content includes early concepts of the atom, as well as...

The Law of Thermodynamics states, "Energy can never be created or destroyed, it can only be transformed from one form to another." Sal does a fabulous job of illustrating this crucial law to students through the use of excellent drawings...

In the arctic circle, some hotels offer aurora borealis wake-up calls so visitors don't miss the northern lights. A Veritasium video explains what causes the northern lights. It also presents many misconceptions people still believe...

Did you know that Earth is one of three planets that experiences auroras? A video explains what happens when the magnetic sun throws giant balls of plasma at the earth. It includes both the beauty and the damage an aurora can cause. 

An impressive animation explains the earth's awe-inspiring auroras. The contributions of high-energy particles from the sun collide with our neutral atmospheric atoms. Explained are the roles of solar wind, plasma, the magnetosphere,...

Students investigate the biodegrading process of packing peanuts. In this biological process lesson, students conduct an experiment to see how quickly packing peanuts biodegrade. Students check the process each day and record their results.

One simple teaching strategy can have a powerful effect on student learning on a daily basis. Take a look at one teacher's approach to preparing class members for independent work with "I Do, We Do, You Do", and discover how this...