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Author Archives: astroteacher
Looking Behind Abstractions
Very large and very small numbers are abstractions. Frequently they are useful in illuminating some natural phenomena, however many people have a difficult time comprehending such numbers. We don’t usually deal with these sorts of numbers in our everyday lives. … Continue reading
Posted in Environmental Issues
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Perspective
Cultural perspective governs our approach to nature As a tool for artists, perspective made its appearance consistently sometime in the early 1400s. It was not long before both linear and aerial perspective were utilized, giving depth and dimension to the … Continue reading
Posted in Uncategorized
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Mask.
The COVID-19 pandemic has changed most everyone’s behavior. Particularly when it comes to personal protection. Unfortunately, people are generally inconsistent in their practice of safe behavior to limit the spread of the coronavirus. On my regular walks around San Francisco, … Continue reading
Posted in Uncategorized
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Chasing Shadows and Eating the Moon
Several years ago, a speaker told the audience at a conference I was attending how elementary teachers have very few opportunities for professional development in the area of science, and take advantage of fewer. The amount of professional development in … Continue reading
Posted in Science Education, Uncategorized
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