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¿Por qué algunos volcanes tienen erupciones explosivas?

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¿Por qué algunos volcanes tienen erupciones explosivas?

Lesson narration:
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CONVERSEMOS:

Aquí tienes varios ejemplos de cada tipo de volcán. ¿Qué puedes ver sobre la forma que tienen?

volcanoshapechart

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CONVERSEMOS:

Aquí tienes varias piedras de cada tipo de volcán. ¿Qué puedes ver?

volcanorockchart

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Paso
01/06
Encuentra un compañero o compañera con quién trabajar.
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Paso
02/06
Cubran su zona de trabajo con periódico o plástico.
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Paso
03/06
Obtengan estos materiales. Ambos los van a necesitar.
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Paso
04/06
Ladea cada vaso para ver qué lava es aguada y cuál es la
espesa. Ponlas en el mantel para acordarte cuál es cuál.
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Paso
05/06
¡Llegó la hora del experimento! Completa las hojas de trabajo
sobre la lava. Cuando todos terminen, limpien su área de trabajo
y luego platiquen sobre las preguntas en la siguiente página.
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Paso
06/06
Conversemos.
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roca


1 de 10

un material natural y sólido que se encuentra en la superficie de la Tierra
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volcán


2 de 10

un área elevada de tierra con una abertura de donde fluye o explota lava
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erupcionar


3 de 10

cuando sale lava rápidamente de un volcán
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lava


4 de 10

roca líquida que fluye o explota de un volcán
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volcán cónico


5 de 10

tipo de volcán que produce lava espesa y lenta; generalmente causa una explosión al erupcionar
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volcán en escudo


6 de 10

tipo de volcán con lava líquida que fluye rápidamente y que normalmente no erupciona con una explosión
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basalto


7 de 10

tipo de roca que se forma cuando lava fluida y veloz se enfria; por lo regular es de color oscuro
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felsita


8 de 10

un tipo de roca que se forma cuando lava espesa y lenta se enfría; generalmente tiene un color claro
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experimento


9 de 10

una prueba que se usa para descubrir más información sobre una pregunta
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modelo


10 de 10

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

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Lesson Image
Java vulcan semeru by M. Rietze , used under CC BY-SA
Exploration
world map by Celestia , used under CC BY
spring transition by Spencer Thomas , used under CC BY
eruption plume by Mike Doukas
Mt. St. Helens by Harry Glicken
Mt. St. Helens today by SD4ever
timber by USGS
Reid Blackburn's car by Danial Dzurisin
volcano eruption from space station by NASA Goddard , used under CC BY
Vesuvius by Joseph Wright
Tavurvur volcano by Taro Taylor , used under CC BY
Hawaii lava hike by NewMastersound , used under CC BY
What is lava? by HUGEFloods.com , used under CC BY
Kilauea volcano by PublicResourceOrg , used under CC BY
Etna's crater by Boris Behncke , used under CC BY
Costarica by Samoano , used under CC BY-SA
Fuji by 名古屋太郎 , used under CC BY-SA
Mauna Kea by Nula666 , used under CC BY-SA
Mt. Mayon by Tomas Tam , used under CC BY
Pas bellecombe by Nananère , used under CC BY-SA
sheild volcanos by Smithsonian Institution , used under CC BY
lava flow by KillerPX1 , used under CC BY
Syracuse University lava project by Sam Morrison , used under CC BY
thick lava by Andi Rosadi / VolcanoDiscovery Indonesia , used under CC BY
Mount Semeru by permadhi , used under CC BY
Mt. St. Helens plume by Lyn Topinka
Activity
sheep by Daniel Flathagen , used under CC BY-SA
cup by DiegoAbud , used under CC BY-SA
pencil by Charm
spoon by SOLO Estonia , used under CC BY-SA
Lesson narration:

Activity Prep

Print Prep

In this lesson, students will investigate how differences in lava types explain differences in the shape and eruption patterns among volcanoes. In the activity, Bubble Trouble, students compare two different types of "lava" -- thin and thick. They use this information to figure out why volcanoes have different shapes and how the type of lava explains why some volcanoes explode.

Preview activity

Exploration

15 mins

Wrap-Up

5 mins

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