What's The Difference?
Students identify geologic features that are associated with volcanoes. In this volcanic exploration lesson students compare and contrast convergent and divergent volcanoes and are able to explain why some erupt more explosively.
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What are Wind Shear and Turbulence?
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...
6th - 12th Science CCSS: Adaptable
Methane Hydrates – What's the Big Deal?
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...
9th - 12th Science CCSS: Adaptable
New Review What's the Difference Between Baking Powder and Baking Soda?
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...
5 mins 9th - 12th Science CCSS: Adaptable
What's the Difference Between Accuracy and Precision?
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,...
5 mins 6th - 12th Science CCSS: Adaptable
What Triggers a Chemical Reaction?
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...
4 mins 9th - Higher Ed Science CCSS: Adaptable
Density Column Lab - Part 2
Groups suspend objects within layers of liquids to determine the densities of different liquids and compare them to the densities of objects calculated in Part 1. The groups then carefully test their calculations by layering the liquids...
7th - 9th Science CCSS: Designed
Poison vs. Venom: What's the Difference?
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...
4 mins 4th - 12th Science CCSS: Adaptable
How to Sequence the Human Genome
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,...
5 mins 9th - Higher Ed Science CCSS: Adaptable