[Surfnetkids: 23 May 2012] How to Build a Bridge



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#1. May 23, 2012

Barbara J. Feldman
Dear Reader,

Ta dah! My Jokes By Kids site now has its own Facebook page. Could you take moment to take a look and LIKE us? Thanks!

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See ya on the Net,
Barbara J. Feldman
"Surfing the Net with Kids"
http://www.surfnetkids.com

#2. How to Build a Bridge

by Barbara J. Feldman
http://www.surfnetkids.com/how_to_build_a_bridge.htm

How to Build a Bridge Printable (** for premium members only)
http://www.surfnetkids.com/printables/how_to_build_a_bridge.pdf

A bridge is a structure built over an obstacle to provide passage for cars, people, trains, animals and bicycles. Engineers generally design bridges in one of six types (beam, cantilever, arch, suspension, cable-stayed or truss) although bridges can be a combination of several types. Learn more at this week’s roundup of engineering sites.

John Hopkins University: Bridge Designer
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This Java game from Johns Hopkins University lets you design trusses in your browser! “Trusses are composed of straight members connected at their ends by hinged connections to form a stable configuration. When loads are applied to a truss only at the joints, forces are transmitted only in the direction of each of its members.” Read the simple directions, then click through to the game page.

PGH Bridges
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This introduction to the bridges of Allegheny County (in Pennsylvania) is a great place to start your bridge education. It illustrates simple spans, trusses, beams and arches. There is also a wonderful bridge glossary page; look for “Terminology: Bridge” in the left-hand menu. “Abutment: Part of a structure which supports the end of a span or accepts the thrust of an arch; often supports and retains the approach embankment.”

PBS: Building Big: Bridges
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The PBS television series Building Big includes bridges, as well as domes, skyscrapers, dams and tunnels. This Bridges section features Bridge Basics, a game quiz (The Bridge Challenge) and a fabulous Flash lesson on forces. “Forces act on big structures in many ways: squeezing, stretching, bending, sliding and twisting.” Click on any of the forces to see real-life examples.

… Click to continue How to Build a Bridge .

#3. Printables Club Members Also Get …

Surfnetkids Printables Club Members also get the following printables to use in the classroom, the computer lab, the school library, or to send home with students:

How to Build a Bridge Printable

Bridge Wikipedia Printable

*** Are you curious? Get your own ten-day trial membership:
http://www.surfnetkids.com/printables-club.htm

#4. Related Games

Build the Bridge
http://www.surfnetkids.com/games/build_the_bridge.htm

Cargo Bridge
http://www.surfnetkids.com/games/cargo_bridge.htm

#5. Surfing the Calendar

National Backyard Games Week
May 21-25, 2012

Margaret Wise Brown’s Birthday
May 23, 1910

World Turtle Day
May 23, 2012

Hurricane Preparedness Week
May 25-31, 2012

Cellophane Tape Patented
May 27, 1930

Golden Gate Bridge Opened
May 27, 1937

National Spelling Bee Week
May 27-Jun 1, 2012

Sojourner Truth Gives “Ain’t I Woman?” Speech
May 28-29, 1851

Memorial Day
May 28, 2012

John F. Kennedy’s Birthday
May 29, 1917

First Daily American Newspaper Published
May 30, 1783

President Woodrow Wilson Proclaims June 14 Flag Day
May 30, 1916

#6. Quote of the Week

“And the star-spangled banner in triumph shall wave o’er the land of the free and the home of the brave!” ~~ Francis Scott Key ~~ (August 1, 1779 – January 11, 1843) American lawyer and amateur poet known for writing the lyrics of the “Star-Spangled Banner”. Click here for more freedom quotes.

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