Where Does Radon Come From?

We are all familiar with the little symbol π, but where does pi come from? Introduce pi to your learners as more than just a number, but a relationship between circumference and diameter. Allow your class to measure different circular...

In this age of globalization, the foods we eat often come from countries scattered all around the world. This research-based lesson asks young scholars to pick two of their favorite food items and investigate the origins of their...

Give science learners nine questions about the biogeography of hydrothermal vents and turn them loose to research this fascinating habitat. Working in cooperative groups, they prepare a report that addresses each of the questions. A...

Students summarize and illustrate how a water treatment plant and wastewater treatment plant work. Students describe the source of water for their community and the adequacy of groundwater to meet the community's needs. Students also...

Part of a biology playlist, the video discusses human ancestry and represents the first in a smaller four-part series exploring humans. It describes the fossils found, where the fit on the family tree, and why there are so many missing...

Just when you thought you had life figured out ... here comes another great video! Young biologists discover the multi-faceted meaning of life through a video from a comprehensive science playlist. Content includes when life appeared on...

No, you didn't get your genes from the local clothing store. Learn where they really come from by watching this video as it explores how the genes found in all plants and animals today have arisen over billions of years of mutations from...

Do you or your learners know where apples or potato chips come from? If not, you will after this lesson. To explore careers in agriculture, learners first examine the importance of agriculture to our nation. They view several movies...

It's commonly known that over 70 percent of of the earth's surface is covered by water, but exactly where did it all come from? Join this short video as it travels back to the beginning of the universe in search of the origins of this...

Your class will never believe that their gold jewelry originated in outer space, but it's true! Learn about the way Earth's gold supply originated in a supernova and became integrated with our planet's terrain with a short, informative...