Author Archives: Dr. D

Air is Strong!

Figure 1.  The vacuum “lift” This is a photo of a science fair project that sought to test how much weight a canister vacuum cleaner could ”lift.”  It started with a demonstration that can be done with any vacuum cleaner: … Continue reading

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Magnifying weight: It’s all about acceleration

Periodically, I use bathroom scales for experiments.  (However instead of calling them scales, I prefer the term forceometer, because they are very good at measuring the gravitational force of attraction between the earth and an object). I’ve found that I … Continue reading

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Babies that don’t look anything like their parents

One axis that is helpful in the life-cycle arena is comparing organisms that exhibit different types of development.  That may include: Complete and incomplete metamorphosis in insects Metamorphosis in amphibians Alternation of generations in plants This article discusses investigations of … Continue reading

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Welcome Mad Scientists

This is the place for all things Mad Science.  My goal is to share my favorite science and math projects, activities and experiments that can be performed using every-day materials found around the house.  I also provide detailed instructions, links … Continue reading

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