Bill Nye explains what heat is when he flies a glider plane on a natural current of hot air. Learn what heat is and about its three forms: conduction, convection, and radiation. It's Hot becomes the music video parody of Le Freak.

Teacher guides available under Additional Info tag. Optional English and Spanish language tracks on DVD version only.

16 segments include:. Heat Is Energy (1:50). Introduction (0:54). "Heated Debate" (0:57). Nifty Home Experiment: Heat Conduction (0:56). All Matter Has Heat (1:11). Which Has More Heat Energy? (0:56). Hey! Look At This!: Glass Blowing (0:-54). Great Moments in Science (1:10). Way Cool Scientist - Andy Jessup (1:27). Vacuums and Heat Radiation (1:58). A Clever Science Trick (1:22). Forced Convection (3:28). Where Does Your Body Heat Go? (0:51). LeHot "LeHeat" (0:59). Conclusion (1:00). Hot Treats With Vivian Cupcake (1:47).