Author Archives: Doc Bretto

About Doc Bretto

Equal parts teacher, naturalist, teacher educator, and education researcher, I have a Ph.D. in science education and nourish my soul with a steady diet of anthropology, history, and philosophy--but also with photography, gastronomy, fußball/football, and freeriding in the European Alps.

A sense of scale: Beyond the Earth’s paper-thin atmosphere

In yesterday’s blog entry, we tried to come to grips with the actual thickness of the Earth’s atmosphere. To do so, we drew the first four layers of the atmosphere to scale on a single piece of A3-sized paper oriented … Continue reading

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A sense of scale: The Earth’s atmosphere on a piece of paper

Large/long distances are difficult to experience, let alone imagine. This past week in our middle school science class we tried to develop a sense of scale as it relates to the thickness of the Earth’s atmosphere, a topic that we … Continue reading

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Well, it’s about time!!!

What time do you get up in the morning? What time do you go to school? How much time does it take you to eat your lunch? What is your bedtime? What time is it now? We ask questions about … Continue reading

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