Tag Archives: oxygen

Fire Air Dephlogisticated and the Vernier Go Direct Wireless Oxygen Sensor

Oxygen is one of those very cool elements that can both save a life and kill whether in absence or abundance. Oxygen is necessary for life as we know it, but yet it oxidizes one of the most common elements in the universe. Oxygen, to most students, is both a red ball on a model […]

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Wild Spirits: Measuring Life and Death with the Pasco Wireless CO2 sensor

A student once asked me why if carbon dioxide is so much heavier than air, how come the lower atmosphere doesn’t become thick with CO2 and kill everything? “Umm, well…because it…umm…doesn’t?” The student then asked if I was going to was going to answer her question with another question? Which of course is also a […]

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