El documento contiene repetidas instrucciones para saltar y disparar la palabra "NITRO" en mayúsculas. También incluye una dirección de correo electrónico.
Este documento presenta una lista de palabras divididas en cuatro categorías: Vida, Tecnología, Medio Ambiente y Marinilla. Cada categoría contiene 10 palabras relacionadas con el tema, enumeradas del 1 al 10.
Este documento presenta una lista de palabras divididas en cuatro categorías: Vida, Tecnología, Medio Ambiente y Marinilla. Cada categoría contiene 10 palabras relacionadas con el tema, enumeradas del 1 al 10. La lista proporciona una visión general de conceptos clave en áreas como la vida diaria, la tecnología, el medio ambiente y temas sociales.
El documento contiene repetidas instrucciones para saltar y disparar la palabra "NITRO" en mayúsculas. También incluye una dirección de correo electrónico.
El documento contiene repetidas instrucciones para saltar y disparar la palabra "NITRO" en mayúsculas. También incluye una dirección de correo electrónico.
The document provides information about artist Margaret Morisson and her paintings featuring toys and treats on a massive scale after being diagnosed with breast cancer in 2008. It includes the titles of some of her paintings featuring sweet treats and toys, and outlines the 10 step process for an art project incorporating non-perishable toys, trinkets, and candies arranged in a still life composition to be rendered in colored pencil using gridding and shading techniques.
The document is a worksheet that asks the student to identify and apply various art elements and principles by completing tasks in boxes. It asks the student to star images showing specific principles like contrast, emphasis, variety and movement. It also asks the student to create and identify elements like lines, shapes, colors, textures and patterns in different boxes. The student is asked to demonstrate principles like balance, proportion, unity, contrast, symmetry and asymmetry.
This document provides instructions for an art project where students will recreate masterworks as collages. Students will select 3-4 masterpieces to research, sketch two of the works, identify elements to include, mock assemble collages without gluing, glue compositions in background to foreground order, trim and mat artwork, and complete a rubric and reflection. The rubric assesses composition, likeness to the original, craftsmanship, and process. The reflection requires students to analyze elements and principles used, weaknesses, and their performance in the art class.
This document contains questions about Impressionism, Urban Art, and Pop Art. For Impressionism, it asks about the style of art in Paris before Impressionism, early public reception of Impressionism, who coined the term, and identifying characteristics. For Urban Art and Pop Art, it asks how they are similar and different, and how they relate to preceding movements. It instructs the student to paste images from the readings and label them with title, artist, date, and medium. There are also questions about three specific artists - Banksy, Barry McGee, and Jean-Michel Basquiat - asking about their subject matter and style.
Este documento presenta una lista de palabras divididas en cuatro categorías: Vida, Tecnología, Medio Ambiente y Marinilla. Cada categoría contiene 10 palabras relacionadas con el tema, enumeradas del 1 al 10.
Este documento presenta una lista de palabras divididas en cuatro categorías: Vida, Tecnología, Medio Ambiente y Marinilla. Cada categoría contiene 10 palabras relacionadas con el tema, enumeradas del 1 al 10. La lista proporciona una visión general de conceptos clave en áreas como la vida diaria, la tecnología, el medio ambiente y temas sociales.
El documento contiene repetidas instrucciones para saltar y disparar la palabra "NITRO" en mayúsculas. También incluye una dirección de correo electrónico.
El documento contiene repetidas instrucciones para saltar y disparar la palabra "NITRO" en mayúsculas. También incluye una dirección de correo electrónico.
The document provides information about artist Margaret Morisson and her paintings featuring toys and treats on a massive scale after being diagnosed with breast cancer in 2008. It includes the titles of some of her paintings featuring sweet treats and toys, and outlines the 10 step process for an art project incorporating non-perishable toys, trinkets, and candies arranged in a still life composition to be rendered in colored pencil using gridding and shading techniques.
The document is a worksheet that asks the student to identify and apply various art elements and principles by completing tasks in boxes. It asks the student to star images showing specific principles like contrast, emphasis, variety and movement. It also asks the student to create and identify elements like lines, shapes, colors, textures and patterns in different boxes. The student is asked to demonstrate principles like balance, proportion, unity, contrast, symmetry and asymmetry.
This document provides instructions for an art project where students will recreate masterworks as collages. Students will select 3-4 masterpieces to research, sketch two of the works, identify elements to include, mock assemble collages without gluing, glue compositions in background to foreground order, trim and mat artwork, and complete a rubric and reflection. The rubric assesses composition, likeness to the original, craftsmanship, and process. The reflection requires students to analyze elements and principles used, weaknesses, and their performance in the art class.
This document contains questions about Impressionism, Urban Art, and Pop Art. For Impressionism, it asks about the style of art in Paris before Impressionism, early public reception of Impressionism, who coined the term, and identifying characteristics. For Urban Art and Pop Art, it asks how they are similar and different, and how they relate to preceding movements. It instructs the student to paste images from the readings and label them with title, artist, date, and medium. There are also questions about three specific artists - Banksy, Barry McGee, and Jean-Michel Basquiat - asking about their subject matter and style.
This document discusses several key points about students with disabilities who complete high school versus post-secondary education:
- Students with disabilities who complete post-secondary education programs have higher employment rates (83% vs 38-58%), earn higher wages on average ($12.50/hour vs $9.80/hour), and are more likely to live independently compared to those only completing high school.
- Dropout rates are twice as high for students with disabilities compared to general education students, and increased testing pressures may exacerbate this issue. More accurate tracking of dropout data is still needed.
- Support strategies like supplemental services, alternative education, and school restructuring can help reduce dropout rates and encourage reentry for students with disabilities.
Color is produced when light reflects off objects. There are three properties of color: hue (name of color), intensity (strength of color), and value (lightness or darkness). There are two color wheels - the additive wheel used in technology with primary colors of red, green, blue, and the subtractive wheel used in printing with primary colors of cyan, magenta, yellow. The document then discusses color schemes including monochromatic (one hue), complementary (opposite colors), analogous (adjacent colors), split complementary, triadic, and describes the process of Zentangle art.
The document lists works by expressionist artists Edvard Munch, Franz Marc, and Mark Chagall. Munch is noted for his paintings The Scream, Death in the Sick Room, and The Dance of Life. Franz Marc's works include Yellow Cow and two pieces called Fighting Forms. Mark Chagall's art mentioned are I and the Village and Over the Town, with I and the Village listed twice.
This document contains an assignment on the Impressionism art movement. It includes 8 multiple choice questions about Impressionism's characteristics, techniques, and influential artists. Students are asked to analyze 2-3 of their favorite artworks from the provided image bank by identifying elements/principles of design and explaining their choices. Space is included to paste color images and write notes. The document guides students through exploring, analyzing, and discussing key aspects of Impressionist art.
This document discusses several key points about students with disabilities who complete high school versus post-secondary education:
- Students with disabilities who complete post-secondary education programs have higher employment rates (83% vs 38-58%), earn higher wages on average ($12.50/hour vs $9.80/hour), and are more likely to live independently compared to those only completing high school.
- Dropout rates are twice as high for students with disabilities compared to general education students, and increased testing pressures may exacerbate this issue. More accurate tracking of dropout data is still needed.
- Support strategies like supplemental services, alternative education, and school restructuring can help reduce dropout rates and encourage reentry for students with disabilities.
This document outlines the syllabus for a high school studio art class. It details the required materials, organization of student binders, deadlines and due dates for assignments. It explains that students are responsible for their own work and materials. The grading policy is presented, with projects and process grades making up the majority of the final grade. Expectations are outlined regarding sketchbooks, extra credit, portfolio reviews, cleanup procedures, and policies for tardiness, absences, and missing class.
This document outlines the syllabus for a high school studio art class. It details the required materials, organization of student binders, policies on deadlines and due dates for homework, classwork, and projects. It also describes the assessment criteria including quizzes, projects, and process grades. Expectations are provided for sketchbook assignments, extra credit opportunities, portfolio reviews, cleanup duties, and policies on tardiness and absences.
R buckley lis 506 introduction - best practicesRebecca Buckley
This document discusses teen-led story times in libraries. The author started a program at their high school library where students lead story times for preschoolers from the campus child development center. Research showed benefits for both teens and preschoolers. Teens gain leadership skills and enjoyment from interacting with children, while preschoolers benefit from literacy activities led by teens. The author hopes to expand the program by having teens fully plan and lead story times.
R buckley lis506 - post 2 - issues related to research - best practices ass...Rebecca Buckley
This document discusses issues related to research on teen-led story times in libraries. The author was surprised to find few online resources about specific programs mentioned in articles. Most articles featured programs similar to teen-led story times and stressed the importance of training teens and giving them specific duties. The articles also discussed benefits for both teens and young children, such as teens gaining job skills and children looking up to teen role models. Teen volunteer opportunities in libraries can benefit both libraries and teens by providing community service hours and experience.
R buckley lis 506 - annotated bibliography - best practices assignmentRebecca Buckley
A Teen Volunteer Program." Young Adult Library Services 5.3
(2007): 38-40. Library Literature & Information Science Full Text (H.W.
Wilson). Web. 26 Oct. 2012.
Dresang, Eliza T. "Radical Change: Books For Youth In A Digital Age."
Library Trends 56.2 (2007): 568-587. Library Literature & Information
Science Full Text (H.W. Wilson). Web. 26 Oct. 2012.
Foster, Mary. "Teen Volunteers: A Valuable Resource." School Library
Journal 38.(1992): 35-37. Library Literature & Information Science Full
Text (H.W. Wilson). Web.
El documento contiene repetidas instrucciones para saltar y disparar la palabra "NITRO" en mayúsculas. También incluye una dirección de correo electrónico.
A Evolução do conhecimento geológico: progressos e obstáculosPedro Abreu Peixoto
A União Europeia está preocupada com o aumento da desinformação online e propôs novas regras para combater as notícias falsas. As novas regras exigiriam que as plataformas de mídia social monitorassem melhor o conteúdo, aumentassem a transparência da publicidade política e fornecessem ferramentas para os usuários denunciarem conteúdo enganoso. No entanto, algumas organizações temem que as novas regras possam limitar a liberdade de expressão.
Metodologia de tratamento de arquivos de família no Arquivo Municipal de Vila...Pedro Abreu Peixoto
Este documento descreve a metodologia do Arquivo Municipal de Vila Real para tratar arquivos de família com base em quatro premissas: privilégio da preservação do patrimônio documental independentemente da localização geográfica, manutenção física dos documentos com as famílias, retorno do investimento público através da divulgação dos arquivos, e parcerias com universidades. O objetivo é preservar a memória coletiva enquanto respeita os direitos das famílias sobre seus próprios documentos.
O documento fornece instruções para prevenir a proliferação do mosquito da dengue, incluindo remover galhos e folhas de calhas, manter caixas d'água fechadas, encher pratinhos de vasos com areia e colocar lixo e objetos que acumulam água em recipientes fechados.
Este documento presenta información sobre la gestión académica y administrativa de la Institución Educativa Aguadita Grande. Incluye datos sobre matrícula, proyección de cupos, boletines de calificaciones, talento humano, asignación de docentes, estímulos y proyectos de investigación.
The document discusses the results of a study on the effects of a new drug on memory and cognitive function in older adults. The double-blind study involved 100 participants aged 65-80 and found that those given the drug performed significantly better on memory and problem-solving tests than the placebo group after 6 months. The drug was found to be safe and well-tolerated with no serious side effects reported.
Texto 3D, iluminação e câmeras são recursos importantes para criar mundos virtuais realistas. Esses elementos permitem que designers criem ambientes digitais complexos e imersivos. Juntos, eles dão vida a mundos virtuais de maneiras convincentes.
Este documento presenta las instrucciones para crear una figura en 3D de una esfera con ojos, colmillos, cola y cresta utilizando el software de modelado Molederamente básico 3D. Explica los cuatro pasos principales para construir la figura: 1) crear la esfera base, 2) agregar detalles como ojos y colmillos, 3) agregar una cola, y 4) agregar una cresta para decorar la figura.
This document discusses several key points about students with disabilities who complete high school versus post-secondary education:
- Students with disabilities who complete post-secondary education programs have higher employment rates (83% vs 38-58%), earn higher wages on average ($12.50/hour vs $9.80/hour), and are more likely to live independently compared to those only completing high school.
- Dropout rates are twice as high for students with disabilities compared to general education students, and increased testing pressures may exacerbate this issue. More accurate tracking of dropout data is still needed.
- Support strategies like supplemental services, alternative education, and school restructuring can help reduce dropout rates and encourage reentry for students with disabilities.
Color is produced when light reflects off objects. There are three properties of color: hue (name of color), intensity (strength of color), and value (lightness or darkness). There are two color wheels - the additive wheel used in technology with primary colors of red, green, blue, and the subtractive wheel used in printing with primary colors of cyan, magenta, yellow. The document then discusses color schemes including monochromatic (one hue), complementary (opposite colors), analogous (adjacent colors), split complementary, triadic, and describes the process of Zentangle art.
The document lists works by expressionist artists Edvard Munch, Franz Marc, and Mark Chagall. Munch is noted for his paintings The Scream, Death in the Sick Room, and The Dance of Life. Franz Marc's works include Yellow Cow and two pieces called Fighting Forms. Mark Chagall's art mentioned are I and the Village and Over the Town, with I and the Village listed twice.
This document contains an assignment on the Impressionism art movement. It includes 8 multiple choice questions about Impressionism's characteristics, techniques, and influential artists. Students are asked to analyze 2-3 of their favorite artworks from the provided image bank by identifying elements/principles of design and explaining their choices. Space is included to paste color images and write notes. The document guides students through exploring, analyzing, and discussing key aspects of Impressionist art.
This document discusses several key points about students with disabilities who complete high school versus post-secondary education:
- Students with disabilities who complete post-secondary education programs have higher employment rates (83% vs 38-58%), earn higher wages on average ($12.50/hour vs $9.80/hour), and are more likely to live independently compared to those only completing high school.
- Dropout rates are twice as high for students with disabilities compared to general education students, and increased testing pressures may exacerbate this issue. More accurate tracking of dropout data is still needed.
- Support strategies like supplemental services, alternative education, and school restructuring can help reduce dropout rates and encourage reentry for students with disabilities.
This document outlines the syllabus for a high school studio art class. It details the required materials, organization of student binders, deadlines and due dates for assignments. It explains that students are responsible for their own work and materials. The grading policy is presented, with projects and process grades making up the majority of the final grade. Expectations are outlined regarding sketchbooks, extra credit, portfolio reviews, cleanup procedures, and policies for tardiness, absences, and missing class.
This document outlines the syllabus for a high school studio art class. It details the required materials, organization of student binders, policies on deadlines and due dates for homework, classwork, and projects. It also describes the assessment criteria including quizzes, projects, and process grades. Expectations are provided for sketchbook assignments, extra credit opportunities, portfolio reviews, cleanup duties, and policies on tardiness and absences.
R buckley lis 506 introduction - best practicesRebecca Buckley
This document discusses teen-led story times in libraries. The author started a program at their high school library where students lead story times for preschoolers from the campus child development center. Research showed benefits for both teens and preschoolers. Teens gain leadership skills and enjoyment from interacting with children, while preschoolers benefit from literacy activities led by teens. The author hopes to expand the program by having teens fully plan and lead story times.
R buckley lis506 - post 2 - issues related to research - best practices ass...Rebecca Buckley
This document discusses issues related to research on teen-led story times in libraries. The author was surprised to find few online resources about specific programs mentioned in articles. Most articles featured programs similar to teen-led story times and stressed the importance of training teens and giving them specific duties. The articles also discussed benefits for both teens and young children, such as teens gaining job skills and children looking up to teen role models. Teen volunteer opportunities in libraries can benefit both libraries and teens by providing community service hours and experience.
R buckley lis 506 - annotated bibliography - best practices assignmentRebecca Buckley
A Teen Volunteer Program." Young Adult Library Services 5.3
(2007): 38-40. Library Literature & Information Science Full Text (H.W.
Wilson). Web. 26 Oct. 2012.
Dresang, Eliza T. "Radical Change: Books For Youth In A Digital Age."
Library Trends 56.2 (2007): 568-587. Library Literature & Information
Science Full Text (H.W. Wilson). Web. 26 Oct. 2012.
Foster, Mary. "Teen Volunteers: A Valuable Resource." School Library
Journal 38.(1992): 35-37. Library Literature & Information Science Full
Text (H.W. Wilson). Web.
El documento contiene repetidas instrucciones para saltar y disparar la palabra "NITRO" en mayúsculas. También incluye una dirección de correo electrónico.
A Evolução do conhecimento geológico: progressos e obstáculosPedro Abreu Peixoto
A União Europeia está preocupada com o aumento da desinformação online e propôs novas regras para combater as notícias falsas. As novas regras exigiriam que as plataformas de mídia social monitorassem melhor o conteúdo, aumentassem a transparência da publicidade política e fornecessem ferramentas para os usuários denunciarem conteúdo enganoso. No entanto, algumas organizações temem que as novas regras possam limitar a liberdade de expressão.
Metodologia de tratamento de arquivos de família no Arquivo Municipal de Vila...Pedro Abreu Peixoto
Este documento descreve a metodologia do Arquivo Municipal de Vila Real para tratar arquivos de família com base em quatro premissas: privilégio da preservação do patrimônio documental independentemente da localização geográfica, manutenção física dos documentos com as famílias, retorno do investimento público através da divulgação dos arquivos, e parcerias com universidades. O objetivo é preservar a memória coletiva enquanto respeita os direitos das famílias sobre seus próprios documentos.
O documento fornece instruções para prevenir a proliferação do mosquito da dengue, incluindo remover galhos e folhas de calhas, manter caixas d'água fechadas, encher pratinhos de vasos com areia e colocar lixo e objetos que acumulam água em recipientes fechados.
Este documento presenta información sobre la gestión académica y administrativa de la Institución Educativa Aguadita Grande. Incluye datos sobre matrícula, proyección de cupos, boletines de calificaciones, talento humano, asignación de docentes, estímulos y proyectos de investigación.
The document discusses the results of a study on the effects of a new drug on memory and cognitive function in older adults. The double-blind study involved 100 participants aged 65-80 and found that those given the drug performed significantly better on memory and problem-solving tests than the placebo group after 6 months. The drug was found to be safe and well-tolerated with no serious side effects reported.
Texto 3D, iluminação e câmeras são recursos importantes para criar mundos virtuais realistas. Esses elementos permitem que designers criem ambientes digitais complexos e imersivos. Juntos, eles dão vida a mundos virtuais de maneiras convincentes.
Este documento presenta las instrucciones para crear una figura en 3D de una esfera con ojos, colmillos, cola y cresta utilizando el software de modelado Molederamente básico 3D. Explica los cuatro pasos principales para construir la figura: 1) crear la esfera base, 2) agregar detalles como ojos y colmillos, 3) agregar una cola, y 4) agregar una cresta para decorar la figura.
Este documento describe las funciones básicas de seleccionar, mover, rotar y escalar objetos en 3D Studio Max. Explica cómo seleccionar un objeto como una esfera y moverlo a cualquier parte del espacio, rotarlo en ángulos de hasta 360 grados, y escalarlo para hacerlo más grande o más pequeño. También menciona que estas herramientas permiten crear gráficos y figuras 3D complejas.
El documento describe los diferentes bloques de programación para el movimiento de personajes en Scratch, incluyendo bloques para moverlos, girarlos, apuntarlos hacia otros objetos, cambiar su apariencia, decir diálogos y cambiar efectos. También cubre bloques para sonidos, borrar atributos, controles, sensores, operadores y variables.
El documento describe las diferentes funciones de movimiento, apariencia, sonido y otros controles que se pueden aplicar a un personaje en un programa de animación. Algunas funciones mencionadas incluyen mover un personaje 10 pasos, girarlo 15 grados, cambiar su disfraz, emitir sonidos y borrar texto o animaciones previamente agregadas.
Se creó una pelota roja con logaritmos para moverse en todas direcciones y rebotar en una base negra, con el fin de que no se detenga. Se agregó un fondo para completar la simulación.
Un terremoto ocurre cuando las placas tectónicas colisionan y liberan energía elástica acumulada, causando un sacudimiento brusco de la corteza terrestre. Es importante estar preparado con un botiquín de emergencia, un punto de encuentro familiar y mantener la calma durante un terremoto para evitar lesiones. Después del terremoto, es crucial contar a los miembros de la familia, comunicarse con emergencias y ayudar a otros.
Un terremoto ocurre cuando las placas tectónicas colisionan y liberan energía elástica acumulada, causando un sacudimiento brusco de la corteza terrestre. Es importante estar preparado con un botiquín de emergencia, un punto de encuentro familiar y mantener la calma durante un terremoto para evitar lesiones. Después del terremoto, es crucial contar a los miembros de la familia, comunicarse con emergencias y ayudar a otros.
Durante el período Jurásico y Cretácico, varias enormes especies marinas como los ictiosaurios, plesiosaurios, pliosaurios y mosasaurios dominaron los océanos, alimentándose de moluscos y peces pequeños. Estos monstruos marinos, todos reptiles, incluyen los depredadores ictiosaurios con forma similar a los delfines, así como los plesiosaurios, pliosaurios y mosasaurios. Los fósiles más encontrados en Colombia son de anfibios, tort
La electricidad se origina de las cargas eléctricas y se manifiesta en fenómenos mecánicos, térmicos, luminosos y químicos. Se puede observar de forma natural en fenómenos atmosféricos como los rayos, y en procesos biológicos como el sistema nervioso. Además, la electricidad es la base del funcionamiento de maquinaria como electrodomésticos y trenes de alta velocidad, y es esencial para producir sustancias químicas como el aluminio y el cloro.
La gravedad es la fuerza que causa la aceleración de los cuerpos hacia los objetos astronómicos como los planetas. Albert Einstein demostró que la gravedad no es realmente una fuerza, sino un efecto de la curvatura del espacio-tiempo, que empuja los objetos hacia el suelo. Además, la gravedad podría estar relacionada con la energía oscura y tener características de fuerza gravitacional repulsiva debido a la expansión acelerada del universo.
Los dinosaurios existieron hace entre 230 y 66 millones de años, dominando la Tierra durante el Triásico, Jurásico y Cretácico. Fueron los primeros en desarrollar extremidades debajo del cuerpo en lugar de los lados, lo que les permitió especializarse en la locomoción terrestre. Existían dos grandes subdivisiones de dinosaurios: aquellos clasificados por su época geológica y aquellos clasificados por la posición de su cadera.
Según la teoría de Goethe sobre los colores, cuando un haz de luz está rodeado de oscuridad se encuentran tonos amarillo-rojizos en la parte superior y azul-violáceos en la parte inferior, y el espectro con el verde en el centro solo aparece cuando los bordes violáceos se superponen en la parte roja-amarilla. Adicionalmente, cuando un haz de oscuridad está rodeado de luz, se encuentran tonos azul-violáceos en el borde superior.
El documento describe el universo, incluyendo que tiene aproximadamente 13.7 mil millones de años, se ha estado expandiendo desde el Big Bang cuando toda la materia y energía estaban concentradas en un punto infinitamente denso, y debido a que el espacio mismo se expande, objetos en el universo pueden separarse a una velocidad mayor que la luz aunque la materia no puede moverse más rápido que la luz.
Los primeros químicos humanos utilizaron el fuego para transformar materiales como obtener hierro y vidrio. Esto llevó a los alquimistas a tratar de transformar metales en oro, dando origen a la alquimia. La química moderna se desarrolló a partir de la acumulación de experiencias alquímicas y es la ciencia empírica que estudia las sustancias, sus reacciones de transformación y estructura a nivel molecular mediante la observación, cuantificación y experimentación.
El cuerpo humano está compuesto de 206 huesos en adultos y alrededor de 300 en recién nacidos, y consta de cabeza, tronco y extremidades. Se puede clasificar en diferentes niveles, incluyendo el atómico, molecular, celular, de tejidos y el cuerpo integro.
Los animales terrestres se pueden clasificar en mamíferos, reptiles y anfibios, y se adaptan a su entorno a través de características como el pelaje. Debemos respetar a estos animales y protegerlos de la caza y el maltrato, ya que son extraordinarios y necesitamos que permanezcan en el mundo.
Este documento describe las características de los animales acuáticos. Explica que los animales acuáticos se encuentran en toda la escala zoológica y que los grupos inferiores como los protozoos, esponjas, pólipos y equinodermos son casi exclusivamente acuáticos, al igual que gran parte de los gusanos, moluscos, braquiópodos y tunicados. También señala que entre los artrópodos acuáticos predominan los crustáceos, mientras que entre los vertebrados acu
Un volcán es una estructura geológica por la cual emerge el magma en forma de lava, ceniza volcánica y gases del interior del planeta a través de erupciones que pueden variar en intensidad y frecuencia, desde corrientes de lava hasta explosiones destructivas. El Nevado es el volcán más septentrional de la Cordillera de los Andes, compuesto por capas alternas de lava solidificada y ceniza volcánica endurecida formando un cono volcánico hace 150,000 años.
El sueño del hombre de volar como las aves se remonta a la antigüedad. En el siglo 13, el monje inglés Roger Bacon concluyó que el aire podría soportar una máquina voladora al igual que el agua soporta un barco. Los primeros aviones comerciales de pasajeros como el de Havilland Comet y el Boeing 707 en la década de 1950 permitieron viajes de larga distancia para más de 100 pasajeros a 900 km/h. Más adelante, el Concorde en 1962 fue el primer avión supersónico com