TopDir - top sites directory

TopDir is a human edited web directory with various categories, a collection of hand-picked web resources for visitors

TopDir offers free website promotion for webmasters and website owners. Relevant search results and many categories for adding and promoting websites. Free web promotion for websites at TopDir directory. Submit your url for review. A collection of hand-picked web resources for visitors. This page is focused on one particular aspect of Kids and Teens, School Time, Science, Physics, Sports.

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    http://science.howstuffworks.com/physics-of-football.htm   » How the Physics of Football Works [ Teens/Mature Teens ] - There's a reason why some passes miss their target, and others land right in the receiver's hands. Offers a view of the game from different angle.

    http://www.soccerballworld.com/Physics.htm   » The Physics of Soccer [ Teens ] - Discusses shape of a soccer ball, spin effects, motion of projectiles.

    http://wings.avkids.com/Book/Sports/   » Principles of Aeronautics [ Kids/Teens ] - Discusses the physics of sports involving aerodynamics, including tennis, golf, baseball, javelin, discus, frisbee, boomerangs, bicycling, race cars, sailboats, and swimming.

    http://www.scire.com/sds/sdsmenu.html   » Slam Dunk Science [ Teens ] - Sport research lab in the science classroom. Offers a look at shoe design, lab tools, and activities.

    http://www.exploratorium.edu/sports/   » Sport Science at Exploratorium [ Kids/Teens ] - Examines the most popular team and recreational sports, including baseball, cycling, skateboard, and hockey. Also includes highlights on bouncing balls, rock climbing, and facts.

    http://wings.avkids.com/Book/Sports/instructor/golf-01.html   » Why Does a Golf Ball Have Dimples? [ Teens/Mature Teens ] - An article describing the history and aerodynamics of a golf ball.


TopDir is a human edited web directory with various categories. Our mission is to organize theme based websites and remove the clutter from the information. We strive to provide context based website results to our visitors. This directory is an evolving one and we regularly add new categories, if there is a necessity. Members can suggest new categories and websites for inclusion. This is one stop promotion site for webmasters and website owners. We invite you to browse the categories and suggest your website url for an editor review. This page is focused on one particular aspect of Kids and Teens, School Time, Science, Physics, Sports.

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Web directories list the websites by theme. The links in a web directory are collected, edited and organized by humans. Yahoo and Dmoz ODP(Open Directory Project) are considered as the best human-edited web directories on the Internet and they are one of the most trusted and relied traffic sources. Since these directories get thousands of submissions every day, it is sometimes difficult to get listed in them and your URL may take a long time to be reviewed and listed. Generally good directory listings give a surprise boost to your link popularity.

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