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Spirograph is a geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids.The well-known toy version was developed by British engineer Denys Fisher and first sold in 1965.
A science fair or engineering fair is an event hosted by a school that offers students the opportunity to experience the practices of science and engineering for themselves. In the United States, the Next Generation Science Standards makes experiencing the practices of science and engineering one of the three pillars of science education.
A science project is an educational activity for students involving experiments or construction of models in one of the science disciplines. Students may present their science project at a science fair, so they may also call it a science fair project. Science projects may be classified into four main types.
Science Buddies is a website, [2] recommended by educational organizations such as the ALA [3] and the SciLinks program of the National Science Teachers Association (NSTA). [4] All resources and tools on the Science Buddies website are available free to students and teachers.
While the most common pointing device by far is the mouse, many more devices have been developed. However, the term mouse is commonly used as a metaphor for devices that move a computer cursor. Fitts's law can be used to predict the speed with which users can use a pointing device.
Military instruments as a class draw on most of the categories of instrument described throughout this article, such as navigation, astronomy, optics, and imaging, and the kinetics of moving objects. Common abstract themes that unite military instruments are seeing into the distance, seeing in the dark, knowing an object's geographic location ...
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A science fair is a competitive event hosted at schools. Science fair or variations of the term may refer to: Science Fair, a 2018 National Geographic documentary film; Science Fair, a 1999 album by Emm Gryner; Science Fair, a 2008 novel by Dave Barry and Ridley Pearson