Critical Thinking Is Not Optional

Graham Glass has an excellent anecdote about a lesson he learned in high school regarding critical thinking.

…Once the pleasantries were out of the way, he started the first lecture, which was about the composition of the atmosphere. Everyone started taking copious notes. He told us that Nitrogen was 78% of the air we breath, with Oxygen accounting for 21% and the remainder taken up by Argon, Carbon Dioxide, and other gases.

He then proceeded to explain that Nitrogen had a pink color and a slightly sweet smell. Like good students, we continued to record this valuable information into our study notes. After several more minutes of lecture he stopped, and then exclaimed “are you students morons??!!”. Needless to say, this caught our attention and we instantly brought our heads out of our books.

He continued: “If Nitrogen was pink and formed 78% of the air, the classroom would look pink! Are your brains even turned on right now?!” He proceeded to berate us for being so gullible, and then used the situation to segue into a discussion of the ingredients of science; observation, theory, and rigorous testing.

technorati tags: , ,

Leave a Reply

Your email address will not be published. Required fields are marked *