Showing results for "4Th" in Science & Technology

When a young child decides to build a fort in the backyard, Grandpa comes forward to help. But they can't do it alone - they get help from the six simple machines: lever, pulley, inclined plane, wheel and axle, screw, and wedge. Told in cumulative rhyme, similar to The House That Jack Built, listeners follow the building process to completion and discover the surprise reason it was built.

Cuando un niño decide construir una fortaleza en el patio posterior, el abuelo viene a ayudarle. Pero no pueden hacerlo solos - reciben la ayuda de las seis máquinas simples: la palanca, la polea, el plano inclinado, la rueda y eje, el tornillo, y la cuña. Dicha en rima acumulativa, los lectores seguirán el proceso de construcción hasta el final y descubrirán la sorprendente razón por la cuál fue hecha.

At 800-feet long, the Hindenburg was the largest airship ever built--just slightly smaller than the Titanic! Also of a disastrous end, the zeppelin burst into flame as spectators watched it attempt to land in Lakehurst, New Jersey on May 6, 1937. In under a minute, the Hindenburg was gone...

On August 25th, 2005, one of the deadliest and most destructive hurricanes in history hit the Gulf of Mexico. High winds and rain pummeled coastal communities, including the City of New Orleans, which was left under 15 feet of water in some areas after the levees burst. Track this powerful storm...