It took more than 500 scientists and seven years of research, but the first global earthquake hazard map is now complete. How come it took seven whole years? Well, for starters, the scientists had to contend with forces much greater than earthquakes. Try politics. The above image shows the pattern of major fault lines throughout [...]

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CONCEPT  The Scientific Process. This integrated module will use bubbles to investigate physics and chemistry topics including the optics and chemistry of thin films as well as applications in biology and measurement. OBJECTIVES Students will exhibit an ability to apply the steps of the scientific method, use various scientific process skills, and understand the relationships [...]

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Hypothesis / Questions: Black objects absorb more ( and  radiate less) -heat than a white objects. Here is an example: “A black car will heat up faster in the sun than a white car will. It will also lose its heat faster in the winter.” Read on if you’d like some details on why this [...]

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This article describes the various metals and alloys used for coins and medals, for centuries. some (but not all) of the information emanated from ‘The Teach Yourself Guide to Numismatics’ the CC Chamberlain issued in 1960, and I want to acknowledge the help of many correspondents to the news group rec. Coin collecting. Additional information [...]

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Objective To learn about static electricity. Materials Two balloons, Tape, Two four-foot strings, and a Piece of dry wool cloth. Procedure Inflate the two large balloons and tie them to the ends of the strings. Hang these two balloons from the ceiling with a piece of tape. Adjust the length of the strings so that [...]

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Objective To learn about the characteristics of water. Materials Clear glass, and paper clips. Procedure Fill the glass with water until it is completely full. At this point you can predict, or guess, how many paper clips you will be able to put into the glass until the water over flows. Start placing the paper [...]

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Democritus (465 BC) First to conceive matter in the form of particles, which he called atoms. Alchemists (about 1000-1650) Attempted to (1) change lead and other base metals to gold; (2) discover a universal solvent; and (3) discover a life-prolonging elixir. Used plant products and arsenic compounds to treat diseases. Boyle, Sir Robert (1637-1691) Formulated [...]

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High school physics and chemistry teacher David Byrum has always been an innovator, so when online courses came to his attention, he took advantage of this new learning format. Winner of the Arizona Presidential Award for Excellence in Science Education (1988) and a National Science Teacher’s Association National Exemplar award for his chemistry course (1984), [...]

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Course Description Chemistry is a course that explores the properties of substances and the changes that substances undergo. The student will investigate the following: · Atomic Structure · · Matter and Energy · · Interactions of Matter · · Properties of Solutions ” including Acids and Bases·

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  Almost a year ago  posted this page with info on his “Golden Color Classic”, with the project stuck at an upgrade to an LC 630 motherboard, I thought my goal of creating a “poor man’s iPod” was dead. What I wanted to accomplish was an elegant mp3 server and Internet radio station that I [...]

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