Still Burning

Civil rights meets biotechnology in a instructional activity that scrutinizes the collection of DNA of citizens who have been arrested, but not yet convicted of a crime. Real-life cases are examined in which the DNA of a relative was...

Lab sheets for three different crime scene investigation activities are tucked into this resource. In the first activity, inquisitors examine a variety of fibers, including the fiber found at "the crime scene," under ultraviolet light....

Take a look at climate change from another angle. Readers learn about the MISR instrument on the Terra satellite and how it studies Earth. Pupils experience how the multiple cameras give scientists multiple views so they can better study...

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...

Unplugging from technology for one day per week will decrease your carbon footprint—are you up to the challenge? Part two in a series of three allows individuals to explore their personal carbon footprints. By first taking a quiz at home...

Air is clear, so why do we see the sky as blue? The video explains the way light waves travel through the air and the result of our perceptions. It uses simple diagrams and illustrations to reinforce the variety of colors present versus...

Nature has the ultimate recycling program — the Carbon Cycle! How do fossil fuels fit into this program? Pupils answer this question as they observe how all this added carbon serves to unbalance the cycle. Using the perspective of "new"...

Young scholars identify the unique pattern DNA forms in each individual, and how that pattern can be used to identify criminals. They have the opportunity to simulate the process of matching DNA samples to those taken at a crime scene.

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...

Why do teenagers seem to take greater risks? Why do adolescents have difficulty taking in others' perspectives, and what implications does this have for us as teachers? Pass this resource along to your classes and colleagues, and begin a...