Still Burning

Some of the CO2 emitted by burning fossil fuels is removed from the atmosphere by natural sinks, such as the ocean. The fifth engaging lesson in the series of 21 examines the CO2 data from three very different locations. It then makes a...

The climate change debate, in the political arena, is currently a hot topic! Learners explore carbon dioxide levels in our atmosphere and what this means for the future in the 11th installment of 12. Through an analysis of carbon dioxide...

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...

You've heard of "wildfire season," but what types of weather and conditions lead to increased wildfires? Young firefighters learn about common sources of wildfires, safe ways to clear debris near their homes, and the most effective ways...

A review of a full unit on energy and matter, this slide show starts with basic definitions of states of matter and their mass. It then develops the ideas of the forces that that matter can exert. Details about bonding within matter and...

In 1895, Konstantin Tiolkovsky proposed the concept of a space elevator. It's now over 100 years later and scientists working toward the concept still aren't sure it is possible. The video explains the concept, the benefit, and the many...

Our bodies can produce up to three liters of sweat per hour. But why do we sweat and exactly how does the biological process work? This video covers a few topics of science about being outside in the heat, explains ways to cool down in...

It's easy to take for granted the the importance of electricity in modern society, and even easier to overlook the environmental cost that is paid for all that energy. Watch as this video explores the detrimental impact burning coal has...

Double, double toil and trouble, fire burn and cauldron bubble! Find out what drives a turbine to generate electricity and whether or not it has an impact on the environment. A discussion and lecture is divided by a hands-on activity in...

Students simulate Joseph Priestley's experiments using a bell jar. They demonstrate that oxygen is necessary for fire and animals but that given time, plants can create oxygen, allowing fires to burn and animals to breathe.