Bill Nye the Science Guy answers questions about energy, and conducts two experiments that demonstrate the effects of air pressure and gravity on a bottle, and the strength of shapes and structures.

"In Measurement, see some of our most important tools used for measuring. Telescopes, spectroscopes, microscopes, stethoscopes, radar, thermometers, scales, barometers -- not to mention the humble ruler -- are all used to compare stuff in our universe and make observations"--Container.