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Science Reference Center
Full-text articles to support research in applied sciences, biology, chemistry, earth and space science, and energy. Includes the Science Image Collection, a database of high-quality science images from National Geographic, UPI, Getty, NASA, and Nature Picture Library.
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Discover the fascination of astronomy with 100 easy, inexpensive projects that promise loads of fun for sky watchers of all ages. Geared toward beginning astronomers from junior high school level and up, this entertaining guide was written in direct, nontechnical terms by an experienced astronomer and well-known author. Daylight and nighttime activities include sightings of comets, meteors, stars, and planets as well as phases of the Moon, halos,...
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Perform amazing feats of mathematical magic, answer clever riddles, and much more with this book and a handy pocket calculator. Scores of brain-teasers, puzzles, mathematical oddities, games, and recreations to fill dozens of hours with fun and excitement. Answers to problems.
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Over 50 safe tricks - all based on scientific principles. Grade-schoolers using common, everyday items will soon be performing such mystifying feats as making squares and lines disappear, creating a magical doorway out of paper, cutting glass with scissors, inserting a pin in a balloon without popping it, and much more.
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Intriguing, abundantly illustrated collection of 40 experiments to attract and stimulate young minds. Subjects range from electricity and magnetism to weather, water, distance and time. Among the projects: flight testing homemade rocket balloons and tracking electricity around the house.
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This inexpensive volume showcases an array of curious creatures: a blob-like amoeba; a slipper-shaped paramecium and its mortal enemy, the suctorian; and many others. The authors recount the feeding, reproductive, and defensive strategies employed by these animals in easy-to-understand language that opens the door to a wonderful world of discovery. 37 illustrations.
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Chemistry is all about what's happening in the air, under the sea and ground, and inside every living thing - including you! With 46 pages of fun-to-color illustrations and fact-filled captions, children ages 8 to 12 can explore atoms and molecules, why carbon is so important, how our bodies break down food, what is causing global warming, and much more.
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