Waste: Where Does It Come From? Where Does It Go?

Statistically, waste may become a problem in the future if people do not take action. Using their knowledge of statistics and data representation, pupils take a look at the idea of waste generation. The four-part unit has class members...

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...

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...

Gold comes from rocks, but rocks can't produce gold—so where does it really come from? The video presents two competing theories of where gold comes from and how it is produced. 

Why do zoologists collect animal specimens for research? And, how many animals is enough? Explore both sides of a current debate in the scientific community using a video that is part of a larger playlist on mammals. Topics include where...

In 1942, scientists first observed the first man-made nuclear reactor. The video introduces the history of nuclear energy from military development through today. It highlights the types of nuclear reactors built and the reasons as well...

What is energy? Where does it come from and how does it move from place to place? Learn about the different kinds of energy, how energy changes form, and what heat really is. With great visuals to accompany some difficult concepts such...

One in every seven truckloads of perishable foods delivered to grocery stores gets thrown away. Is there anything that can be done with this waste? One solution is to recycle the old produce and turn it into fertilizer. The video, part...

Hot cocoa is easy to make with only two ingredients, so what does it have to do with chemistry? The lesson begins with what seems like an obvious question. Then scholars perform simulations to focus on phase changes. Lastly, they...