What's the Difference?

Due to the isolation of seamounts, their biodiversity offers a great deal of information on the development of biological and physical processes. Pupils use simple cluster analysis to rate the similarity and differences in biological...

Determining whether or not something is living can be more difficult than it seems. Put your young scientists to work defining their own criteria to identify life, then work with three samples to see if they are alive or not. 

Have you ever tried to light ice on fire? With methane hydrate, you can do exactly that. The ice forms with methane inside so it looks like ice, but is able to burn. The lesson uses group research and a hands-on activity to help scholars...

Let's go fly a kite. By flying a kite, class members observe the difference in air flow. The class notices the characteristics of banners tied to the kite string to determine where wind turbulence stops. Adding an anemometer to measure...

During World War II, there was a shortage of cream of tartar and other baking products, so baking soda was introduced as an alternative. A fascinating video explores how people used to make breads and some takes a look at some of its...

Although you cannot clone yourself, the cells in your body can clone themselves, and, in fact, you wouldn't grow if they didn't! Viewers learn all about this process in a video that explains the difference between the processes of...

Did you know that poison and venom are not the same? Both are toxic, but poison must be inhaled, ingested, or absorbed, while venom must be injected into a wound. The narrator explains that some toxic compounds may be used for good, as...

While often used interchangeably, the distinction between accuracy and precision is critical for many scientific endeavors. Discover the importance of consistency for precise results, and the need for accuracy in the field of research,...

Every human is unique, from our thoughts and actions to our DNA. Scientists spent billions of dollars and over a decade to map the human genome, the sequence of DNA within one human being. Since the project was completed ten years ago,...

Chemical reactions are happening all around us every second of every day, but what exactly causes these changes to occur? Using easy-to-understand analogies, this video explains how the concepts of enthalpy and entropy determine the ways...