G. Stevens Pub., Jul 1, 1995 - Juvenile Nonfiction - 32 pages
Discusses different aspects of speed and describes how it is measured on land, in the water, and in the air. Includes activities that investigate the speeds of light and sound, the effect of friction, and more.
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aircraft anemometer approximately how long athletes axle B.C. In Mesopotamia bead beats per minute blows bottle cheetah clang distance Earth fast fastest friction ground happens heart rate Henri Pitot invented kilometers per hour knots land-speed record log-line long-distance race loop in place lubricant Marathon to Athens Marshall Cavendish measure speed measure the speed miles 40 km miles km miles or kilometers modeling clay moving pictures nautical mile number of yards Olympic Games parachute piece of dowel piece of sandpaper piece of string Pitot tube plane plane's speed push quickly record the speed Richard Noble Rockets rollers rope rubber band scissors shape ship's speed skier passes slow slowly smooth solid wheels joined speed of sound Speed skaters speedometer spin freely stick stopwatch take your pulse tape things thread spool Today travel much faster traveled 100 try The speed twig walk wheel spoKed wind sock wire wooden ball bearings