Tag: science
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Homopolar motor
This simple project was done as a demonstration for Science Club. We were discussing how a speaker works. In fact, all movement due to electricity is caused by the same effect: the interaction of a moving charge in a magnetic field. In this case, the electric current is moving from the positive end of the…
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Strobe effects
Learning objectives: Understand how a strobe light works and how it can be used Understand why a strobe light makes it look like motion stops Use an oscilloscope to visualize a changing current Understand how the timer circuit we made previously can be used to detect lighting conditions Understand how the timer circuit can be…
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Scientific Notation (Basic science review)
The most important things you need to know about Scientific Notation. Part of the Basic Science Review series.
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Greek letters we’ve used
Greek letters are commonly used in science. There are 24 Greek letters. Here are the ones we have discussed recently. Greek letter Name Uses α alpha alpha particles, indicates the first angle of a triangleopposite the side a β beta beta particles, indicates the second angle of a triangle opposite the side b γ gamma…
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Electromagnetic Spectrum (Basic science review)
The most important things you need to know about the electromagnetic spectrum. Part of the Basic Science Review series.
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Biogeochemical Cycles
What are Biogeochemical Cycles? Biogeochemical cycles are the ways that important atoms and molecules are used and regenerated in our environment. The major cycles include the water cycle, the carbon cycle, the nitrogen cycle and the oxygen cycle. The details of these cycles are a synthesis of concepts in biology, chemistry, meteorology and ecology. The…