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¿Qué hace que los puentes sean tan fuertes?

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¿Qué hace que los puentes sean tan fuertes?

Lesson narration:
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CONVERSEMOS: ¿Cómo podrías prevenir que un puente como este se hunda? (En la siguiente página, te diremos una de las ideas que se nos ocurrieron).

saggingBoard

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Una idea que se nos ocurrió fue: Para prevenir que se hunda el puente, puedes ponerle un pilar o una columna debajo de él.

saggingBoard

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CONVERSEMOS: ¿Los puentes que viste en estos videos te dieron algunas ideas de cómo puedes hacer que tu puente de papel sea fuerte? (Piensa en cómo puedes soportar el peso del puente para que no se hunda).

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#####Video para los maestros y maestras Teacher Video - Guiding students to make bridges

The next slide is a video of Doug & Pat making different bridge designs. This is designed for the teacher to watch in advance. It will help you support students if they get stuck. (We don't recommend playing this video for the students before they've had a chance to experiment on their own.)

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empujar


1 de 12

alejar un objeto de ti
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jalar


2 de 12

mover un objeto hacia ti
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fuerza


3 de 12

algo que jala o empuja
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fuerzas balanceadas


4 de 12

dos fuerzas iguales que jalan o empujan en direcciones opuestas, lo que resulta en que un objeto no se mueva
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fuerzas desequilibradas


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dos fuerzas que jalan y empujan en direcciones opuestas y ya que una fuerza es más grande que la otra, el objeto se mueve
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diseñar


6 de 12

hacer un plan sobre cómo crear o hacer algo
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ingeniero


7 de 12

una persona que utiliza la ciencia para diseñar soluciones a ciertos problemas
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puente de viga


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un tipo de puente sobre pilotes gruesos
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puente en arco


9 de 12

un puente con un arco curvado en el centro
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puente colgante


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tipo de puente en la que el peso está sujetado de cuerdas que cuelgan de postes altos
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puente en celosía


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tipo de puente con soportes triangulares
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modelo


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una versión de mentiras de algo que los científicos usan cuando la cosa de verdad es algo demasiado grande, pequeño, o complicado para poder usarlo en sus estudios
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Image & Video Credits

Mystery Science respects the intellectual property rights of the owners of visual assets. We make every effort to use images and videos under appropriate licenses from the owner or by reaching out to the owner to get explicit permission. If you are the owner of a visual and believe we are using it without permission, please contact us—we will reply promptly and make things right.

Lesson Image
bridges by Jim Bowen , used under CC BY
Exploration
Kirby Cove by Akos Kokai , used under CC BY
Charles Ellis by Mary Cone/PBS
Celestia software by Celestia , used under CC BY
Golden Gate from space by NASA , used under Public Domain
sleeping on boat by Jeff Mentzer
Golden Gate by James W. Shepp & Daniel B. Shepp , used under Public Domain
under the Golden Gate Bridge by USGS , used under Public Domain
USS Ronald Reagan transits Pearl Harbor by US NAVY Mass Communication Specialist 3rd Class Dylan McCord , used under CC BY
Shady Creek by Ladyheart
Kishwaukee River by IvoShandor , used under CC BY-SA
Bloukrans Bridge by http://niocem.ru/
Brunel's Suspension Bridge by Mark Gee
Lake Pontchartrain by Glenn
full hybrid truck by Walmart Corporate , used under CC BY
Seven Mile Bridge by kwalk628 , used under CC BY-ND
Lake Pontchartrain Causeway by Kari Csaba , used under CC BY-SA
Yanjinhe Arch Bridge by Glabb , used under CC BY-SA
NRG Bridge by Greg Mason Burns , used under CC BY-ND
Stone Bridge by cheriedurbin
Clifton Bridge by Adrian Pingstone , used under Public Domain
Golden Gate Bridge by Unsplash , used under Public Domain
spinning the main cables by Golden Gate Bridge District
hanging the roadway deck by Golden Gate Bridge District
GoldenGateBridge by Rich Niewiroski Jr. , used under CC BY
GoldenGateBridge at night by Ryan J Wilmot , used under CC BY-SA
steel construction by m.sansom
StafsWorcs Meccano Bridge by Sjwells53 , used under CC BY-SA
bridge number 6 by Mfwills , used under CC BY-SA
Healdsburg Memorial Bridge by Nate Botl , used under CC BY-SA
Phila Falls Bridge by Davidt8 , used under Public Domain
Carpenter's Flats Bridge by Mfwills , used under CC BY-SA
sewickley bridge by Robert Strovers
Golden Gate Bridge trusses by Jet Lowe , used under Public Domain
Lesson narration:

Activity Prep

Print Prep

In this lesson, students will learn about real-life bridge design. In the activity, Paper Bridge Engineering, students will use their knowledge of forces to build a strong bridge that supports as many pennies as possible -- using only paper.

Preview activity

Exploration

22 mins

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