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¿Queréis saber la configuración de la Tierra en cada momento y qué yacimientos hay sobre cada tiempo geológico? Pincha en el siguiente link

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paleobiology database; paleobiologic and stratigraphic databases; biodiversity; GBDB

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Después de vuestra actividad de escala sobre tiempo geológico podéis comprobar si está bien realizada a través de este enlace

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Después de vuestra actividad de escala sobre tiempo geológico podéis comprobar si está bien realizada a través de este enlace

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Geologic time scale
This page has a geologic time scale metaphor calculator. This is an interactive calculator for metaphors for the geologic time scale. It allows you to figure out how long it has been since the dinosaurs died out if all of earth history fitted into 50 minutes (or any other metaphor you want to use) can be found if you view this page with a frames/javascript enabled browser. Shows major origination and extinction events in the history of life. Interactive geologic time scale metaphor calculator.

time exersise for Earth Science
Use this calculator to figure out if your class was 40 minutes long, how much of it would be the time since humans evolved on earth.
You can use this calculator to create your own metaphor for geologic time. The history of the could be the the distance from your home to school - you can figure out where dinosaurs would be on the trip. Or the history of time could be the length of a class - and you could figure how much of the class you have to sit through before intelligence appears (if your class is 40 minutes long, human history begins in the last 1.5 milliseconds).

This document, and much of this site, uses frames and JavaScript. Try the Reduced graphics, no javascript version of the site.

Part of theAthro, Limited web site.

Written by Paul J. Morrismole@morris.net
Maintained byAthro Limited.
Date Created: 16 Nov 1997
Last Updated: 16 Jan 2000

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Geological Time Scale Metaphors [Athro, Limited]

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Geologic time scale This page has a geologic time scale metaphor calculator. This is an interactive calculator for metaphors for the geologic time scale. It allows you to figure out how long it has been since the dinosaurs died out if all of earth history fitted into 50 minutes (or any other metaphor you want to use) can be found if you view this page with a frames/javascript enabled browser.

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Puedes usar Google Earth también para el estudio de la tectónica de placas. Usa las capas! Verás que tienes muchísimas opciones! Aprovéchalas :)

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This page is authored by Laurel Goodell, Department of Geosciences, Princeton University.

Author Profile

This activity was selected for the On the Cutting Edge Reviewed Teaching Collection
This activity has received positive reviews in a peer review process involving five review categories. The five categories included in the process are

Scientific Accuracy

Alignment of Learning Goals, Activities, and Assessments

Pedagogic Effectiveness

Robustness (usability and dependability of all components)

Completeness of the ActivitySheet web page

For more information about the peer review process itself, please see https://serc.carleton.edu/teachearth/activity_review.html.

This page first made public: Sep 3, 2010

This material was originally created for On the Cutting Edge: Professional Development for Geoscience Faculty
and is replicated here as part of the SERC Pedagogic Service.

Summary

Students are introduced to Google Earth, and then start by exploring the major physiographic features of the continents and seafloor. They then use a kmz file, compiled by the author, which includes layers showing seafloor age, locations and depths of 20 years worth of large earthquakes, USGS dynamically updated near-real time earthquakes, volcano locations, "hot-spot" tracks with age dates, and the Bird (2003) plate boundary model. A guided exploration of these data serves as an introduction to plate tectonics - including the general characteristics of plates and plate boundaries, and the use of seafloor age and "hot spot" tracks to determine long-term average rates of plate motion.

Topics

Tectonics

Grade Level

College Lower (13-14)

Follow the link above to find activities from Teach the Earth on a specific topic.

Used this activity? Share your experiences and modifications

Learning Goals

Students learn how to use Google Earth and become familiar with the some of the important data on which the theory of plate tectonics is based, and how long-term average plate motions are determined. As a culminating (and assessment) activity they sketch a cross-section across three major plate boundaries - from the African plate, across the South Atlantic plate, across the Nazca plate, and ending in the middle of the Pacific Plate.

Context for Use

This exercise is adaptable for all level of students, from introductory level students to more-advanced students wanting a crash course in plate tectonics. I submit two versions, one being slower-paced and more explicitly guided. I have used it in a number of class settings. For example, for our hazards course for non-majors, I assign a portion of the more-explicitly guided version as a preparation assignment, then students complete the rest during a lab session. For our faster-paced introductory class typically taken by more quantitatively-able students including engineers, the less-guided versions is assigned as a problem set then discussed at precept. Depending on a student's previous experience with Google Earth, background in plate tectonics, and ease with simple graphing and calculations, and how far the instructor wants to take it, the whole exercise typically takes several hours to a lab period or two. No background is assumed, although it is helpful for students to have have a basic knowledge of global geography.

The kmz file compiled by the author is a easy-to-use resource adaptable for other activities.

Description and Teaching Materials

Materials include two versions of the student handout, one more explicitly guided than the other, and a Google Earth kmz file with data layers compiled from other a variety of sources. The sources of the compiled data are given in the Google Earth layer menu.

Dynamic Earth kmz file for use with Plate Tectonics exercises (KMZ File 1.1MB Feb21 23)

Handout for Exploring Plate Tectonics with Google Earth, more guided version (Microsoft Word 2007 (.docx) 103kB Feb23 13)

Handout for Exploring Plate Tectonics with Google Earth, more guided version (Acrobat (PDF) 204kB Feb23 13)

Handout for Exploring Plate Tectonics with Google Earth, less guided version (Microsoft Word 51kB Feb23 13)

Handout for Exploring Plate Tectonics with Google Earth, less guided version (Acrobat (PDF) 130kB Feb23 13)

Individual Google Earth data layers

Plate boundary model (KMZ File 66kB Aug14 14)
Plate boundary model with orogens (KMZ File 79kB Aug14 14)

Data source: Bird, Peter (2003) An updated digital model of plate boundaries, Geochemistry Geophysics Geosystems, 4(3), 1027; converted into Google Earth format by Thomas Chust (Ludwig-Maximilians-Universitat Munchen).

USGS 5.4+ epicenters colored by depth.kmz (KMZ File 1.5MB Dec25 16) 'USGS Earthquakes 5.4+ 1986-2015, colored by depth']

Data source: compiled from USGS NEIC catalog http://earthquake.usgs.gov/earthquakes/search/

USGS Earthquakes 1.0+ for the past week, plotted by depth, updated every 5 minutes (KMZ File 440bytes Aug14 14)

USGS Earthquakes 2.5+ for the past 30 days, plotted by depth, updated every 15 minutes (KMZ File 442bytes Aug14 14)

File source: http://earthquake.usgs.gov/earthquakes/feed/v1.0/kml.php

Seafloor age 10 my isochrons (KMZ File 227kB Aug14 14)
Seafloor age 5 my isochrons (KMZ File 9.6MB Aug14 14)

Data source: Muller, R. D., W. R. Roest, J. Y. Royer, L. M. Gahagan, and J. G. Sclater. 1997. Digital isochrons of the world's ocean floor.J. Geophys. Res. 102:3,211-3,214; AND Müller, R.D., Sdrolias, M., Gaina, C. and Roest, W.R., 2008, Age spreading rates and spreading asymmetry of the world's ocean crust, Geochemistry, Geophysics, Geosystems, 9, Q04006, doi:10.1029/2007GC001743.

Holocene Volcanoes (KMZ File 534bytes Aug14 14)

Data source: Smithsonian Institution Global Volcanism. http://www.volcano.si.edu/learn_products.cfm?p=9

Teaching Notes and Tips

Italian translated version of this activity, hosted by ICLEEN - Google Earth e la dinamica della Terra

Assessment

The last question serves as an appropriate assessment - students sketch a cross-section across three major plate boundaries. By assessing the sketch, the instructor can gauge the level and accuracy of student understanding. The sketches also serve as a natural springboard for discussion about various aspects of plate tectonics.

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earth & space science geology plate tectonics

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teach the earth teaching topics plate tectonics

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teach the earth enhancing your teaching google earth

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higher education  undergraduate (lower division)

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on the cutting edge cutting edge activity review passed review

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Using Google Earth to Explore Plate Tectonics

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Students use Google Earth to learn about plate tectonics by exploring the topography of the earth's continents and ocean floor, the distribution of earthquakes and volcanoes, and seafloor age. They become familiar with these global data sets and understand how Earth's tectonic plates and plate boundaries are defined.

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The current version of GeoMapApp is 3.6.12 (Released March, 2021)

GeoMapApp is a map-based application for browsing, visualizing and analyzing a diverse suite of curated global and regional geoscience data sets. These cover geophysics, geology, geochemistry, physical oceanography, climatology, and more.

GeoMapApp provides data layering, display customization and analytical tools to support the analysis of multidisciplinary data sets. Choose from Mercator, North polar and South polar projections. Save the images for papers and presentations.

Users can import their own grids, tabular data, images, and shapefiles. For imported grids, the color palette, shaded relief, and contouring are customizable; users may also extract profiles and digitize grids. Imported table values can be edited and the map symbol, color and size are adjustable. Tabular values may be plotted on a graph and captured and saved with a lasso function.

Several custom portals provide visualization and basic analysis for data types that typically require specialist software. Examples include seismic reflection profiles and geodetic velocity vectors.

The GMRT base map provides multi-resolution global elevation data upon which other data sets can be layered.

GeoMapApp is developed and maintained as part of the Marine Geoscience Data System (MGDS) at Lamont-Doherty Earth Observatory of Columbia University.

System requirements

GeoMapApp runs with Java under the Windows, Mac OS X, Linux and Unix/Solaris operating systems. Use the Download Links on the left to install GeoMapApp. Alternatively, if you are unable to install the application, you may launch GeoMapApp directly from the internet using a Java-enabled web browser. Click here to launch GeoMapApp using Java WebStart.

GeoMapApp in the community

GeoMapApp is widely used by geoscience educators and researchers as a tool for discovering and integrating multidisciplinary earth science research data, for proposal preparation and meeting presentations and talks, for the generation of figures for publications, and for a broad range of education practices at the graduate, undergraduate and high-school level.

Learn More About GeoMapApp

Join our Mailing List

Subscribe to the GeoMapApp announce-list, for information on releases and updates. View our archive of past GeoMapApp announcements.

We recently welcomed our 1,411th newsletter subscriber!

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The current version of GeoMapApp is 3.6.12 (Released March, 2021) GeoMapApp is a map-based application for browsing, visualizing and analyzing a diverse suite of curated global and regional geoscience data sets. These cover geophysics, geology, geochemistry, physical oceanography, climatology, and more. GeoMapApp provides data layering, display customization and analytical tools to support the analysis of multidisciplinary data sets.

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¿Quieres ver la distribución de los continentes en el pasado? ¡Aquí lo podrás ver y mucho más!

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¿Quieres ver la distribución de los continentes en el pasado? ¡Aquí lo podrás ver y mucho más!

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Most new crust forms at ocean ridge crests, is carried slowly away by plate movement, and is ultimately recycled deep into the earth-causing earthquakes and volcanism along the boundaries between moving tectonic plates. Oceans are continually opening (e.g., Red Sea, Atlantic) or closing (e.g., Mediterranean). Because continental crust is thicker and less dense than thinner, younger oceanic crust, most does not sink deep enough to be recycled, and remains largely preserved on land. Consequently, most continental bedrock is far older than the oldest oceanic bedrock (see back of map).

The earthquakes and volcanoes that mark plate boundaries are clearly shown on this map, as are craters made by impacts of extraterrestrial objects that punctuate Earth's history, some causing catastrophic ecological changes. Over geologic time, continuing plate movements, together with relentless erosion and redeposition of material, mask or obliterate traces of earlier plate-tectonic or impact processes, making the older chapters of Earth's 4,500-million-year history increasingly difficult to read. The recent activity shown on this map provides only a present-day snapshot of Earth's long history, helping to illustrate how its present surface came to be.

Both the front and back of this map illustrate the enormous recent growth in our knowledge of planet Earth. Yet, much remains unknown, particularly about the processes operating below the ever-shifting plates and the detailed geological history during all but the most recent stage of Earth's development.

Simkin, T., Tilling, R.I., Vogt, P.R., Kirby, S.H., Kimberly, P., and Stewart, D.B., 2006, This dynamic planet: World map of volcanoes, earthquakes, impact craters, and plate tectonics: U.S. Geological Survey Geologic Investigations Series Map I-2800, 1 two-sided sheet, scale 1:30,000,000.

Sections of the map suitable for printing were created as PDF files when this map was first published in 2006. These files are no longer available because they do not meet Smithsonian accessibility compliance requirements.

However, free full-sized PDF files of the front and back of the map are provided by the USGS Store. Due to the large size, we recommend downloading them rather than opening them in a browser.

This page contains data that generated the printed and web versions of this map in 2006, not current data. All files are in tab-delimited text format.

Plate boundary data were plotted by Peter Vogt, Steve Kirby, and Paul Kimberly, based on data from DeMets (2002), Bird (2003), and other scientific literature. They are in lat/long ASCII text line files.

Web-based data sources, plus recommended sites for additional information.

The two-sided map sells for $9.00 per copy and can be ordered from the USGS Store. Shipping and handling fees may also apply.

Visitors to the National Museum of Natural History, 10th and Constitution, NW, in Washington, DC, may purchase maps from the gift shop.

For continuing support, understanding, and help - through the 5 long years of this project - we owe great thanks to our spouses. We also express our appreciation to the many colleagues, geoscience teachers, and students who provided thoughtful comments and helpful advice on how to improve the previous editions (1989, 1994) of our map.

Affiliations are those at time of contact, largely 2002-2003, and principal author contact for each helper is identified by initials in column to right.

Authors

Tom Simkin

Smithsonian Institution, National Museum of Natural History, Washington, DC, 20560

Robert I. Tilling

U.S. Geological Survey, Menlo Park, California, 94025

Peter R. Vogt

Naval Research Laboratory, Marine Physics Branch, Washington, DC, 20375 (presently affiliated with Marine Science Inst., Univ. of Calif. Santa Barbara; Smithsonian Institution; and Horn Point Environmental Lab)

Stephen H. Kirby

U.S. Geological Survey, Menlo Park, California, 94025

Paul Kimberly

Smithsonian Institution, National Museum of Natural History, Washington, DC, 20560

David B. Stewart

U.S. Geological Survey, National Center, Reston, Virginia, 20192

Cartography and Graphic Design

Will R. Stettner

U.S. Geological Survey, National Center, Reston, Virginia, 20192

Antonio Villaseñor

Institute of Earth Sciences "Jaume Almera," CSIC, Barcelona, Spain

Katharine S. Schindler

U.S. Geological Survey, National Center, Reston, Virginia, 20192

Paul Kimberly

Smithsonian Institution, National Museum of Natural History, Washington, DC, 20560

Outstanding Help

Major Help

Specific Help

Website Help

Primary Responsibilities - Overall Map

Primary Responsibilities - Front of Map

Primary Responsibilities - Back of Map

Primary Responsibilities - Web Version
Interactive Maps (Main, Arctic, Antarctic)

Index Map: Toggle on/off. Shows selected area with respect to full map.

Zoom In (default mode): Drag cursor from one corner to another of the desired area or click on the center of the desired area. The map that is returned may not be the same shape. The maximum dimension of your rectangle is retained, and "bonus" area is added to give default square. In order to get a non-square shape, change the size/shape of the browser window before zooming. Some graphics (e.g. Notable numbers) continue to scale when zooming in and appear very large with respect to surrounding data.

Zoom Out: Click anywhere on map to zoom out by increments. Zoom out to full size by drawing a small box.

Pan (hand): Drag cursor in direction you want map area to shift.

Identify: To get data on a specific symbol, select its layer (from list at right margin) then click on symbol of interest. See below for explanation of data. In some cases the pop-up blocker must be disabled in order to view the "identify" results.

Get X-Y: Click on point of interest for its decimal latitude and longitude, N and E are positive (+) and S and W are negative (-).

Legend/Layers: Toggle to legend (for the best quality, print the main map legend via "printable pages."). To include (or exclude) a layer when constructing a map, check (or uncheck) that layer's box in the "Visible" list then click the "Refresh Map" button (most layers are visible by default). Unfortunately, earthquake depth groups cannot be selected as a layer independent of magnitude.

Print/Save: Opens a new window with the option to either print or save the current map view. Printing via the browser's print function has mixed results. On Windows machines you can also print the current view by selecting "Alt - Print Screen" and then pasting into an image processing program.

Other Elements (Front and Back)

Click on map or section of interest. To zoom in, select the "+" symbol at the bottom of the page, or click and drag the triangle above the "+" and "-" symbol controls to fine tune. Once zoomed in, navigate by selecting the arrows or dragging cursor. Zoom out by "-" symbol. Some are difficult to read, click on "printable page" for better resolution PDF files. Printable pages are best read with an increased zoom percentage.

The "printable page" PDF files are best viewed using Adobe Acrobat 6.0 or later with an optimal screen setting of 1024x768.

The Latitude/Longitude grid is 20° intervals when zoomed out beyond 1:20,000,000 and 5° intervals when zoomed in beyond 1:20,000,000. Grids labeled only at full map's margins: use "Get X-Y" tool to identify

"Identify" Data

Volcano: Elev = summit elevation above sea level; Lat/Long of volcano center in decimal degrees, N and E are positive (+) and S and W are negative (-); Erupted = last known eruption (see main legend); VNUM = number in Smithsonian data file.

Earthquakes: Date (Year, Month, Day); Time = UTC (GMT); Depth = kilometers below sea level; Mag = Magnitude; (see main legend). When selecting desired magnitude layer, beware scale changes of zoomed image - symbol sizes will not equal those shown in legend

Impact Craters: Age, in million years (Ma), with uncertainty; (see main legend).

Notable Events: 25 numbered events (see table); Red = volcanoes; Black = earthquakes; Purple = impact craters.

Boundaries

Divergent boundaries are not shown with line width proportional to spreading rate, as on published map (see legend)

Convergent boundaries, shown only on the interpretive map on the published map, are available here as an option. Beware, though, that many of these boundaries are broad, diffuse zones, rather than crisp, sharp junctions.

National boundaries, not shown on the published map, are an option here for geographic reference. When selecting this layer, it is a good idea to deselect the "coastlines" layer, to avoid overlapping coastlines.

Downloaded Earthquake Data

File sorted by date within individual magnitude ranges.

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Global Volcanism Program | This Dynamic Planet Map

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Most new crust forms at ocean ridge crests, is carried slowly away by plate movement, and is ultimately recycled deep into the earth-causing earthquakes and volcanism along the boundaries between moving tectonic plates. Oceans are continually opening (e.g., Red Sea, Atlantic) or closing (e.g., Mediterranean).

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Una herramienta que te permitirá viajar por todo el mundo y ver los efectos de los procesos geológicos externos comentados en clase

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Explora imágenes satelitales además de terrenos y edificios 3D de cientos de ciudades alrededor del mundo. Haz zoom a tu casa o cualquier otro lugar y, luego, acércate para obtener una perspectiva de 360° con Street View.

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Explora imágenes satelitales además de terrenos y edificios 3D de cientos de ciudades alrededor del mundo. Haz zoom a tu casa o cualquier otro lugar y, luego, acércate para obtener una perspectiva de 360° con Street View.

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Geolodía es una iniciativa de divulgación en la que se realizan excursiones geológicas de campo guiadas por geólog@s, gratuitas y abiertas a todos los públicos.

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Geolodía es una iniciativa de divulgación en la que se realizan excursiones geológicas de campo guiadas por geólog@s, gratuitas y abiertas a todos los públicos.

Cada año se realiza un Geolodía por cada provincia el primer o segundo fin de semana de mayo. Los Geolodías tienen lugar en entornos de gran interés geológico y ofrecen una información sencilla pero rigurosa. Permiten ver esos lugares con "ojos geológicos" y entender cómo funciona la Tierra sobre la que vivimos y de cuyos recursos naturales dependemos. Quienes participan comprenden también el valor de nuestro patrimonio geológico y la necesidad de protegerlo.

Geolodía es una actividad organizada por la Sociedad Geológica de España (SGE), con la colaboración de la Fundación Española para la Ciencia y la Tecnología - Ministerio de Ciencia e Innovación, la Asociación Española para la Enseñanza de las Ciencias de la Tierra (AEPECT) y con el patrocinio de numerosas entidades públicas y privadas.

En este artículo en inglés encontrarás una descripción más detallada de Geolodía.

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Geolodía es una iniciativa de divulgación en la que se realizan excursiones geológicas de campo guiadas por geólog@s, gratuitas y abiertas a todos los públicos. Cada año se realiza un Geolodía por cada provincia el primer o segundo fin de semana de mayo.

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Además te dejo un enlace de algunas guías que te ayudarán durante las visitas a los geoparques http://www.igme.es/LibrosE/GuiasGeo/libros.htm

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Recursos para la identificación de rocas y minerales

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Recursos para la identificación de rocas y minerales

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Clasificación de Rocas de José Antonio Borreguero Rolo

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Rocas Sedimentarias: La acción de los agentes geológicos externos sobre la superficie terrestre transforma los distintos tipos de rocas en sedimentos. Desde dichos sedimentos se pueden originar rocas sedimentarias de tipo detrítico o clástico, de tipo químico y de tipo orgánico u organógeno.

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Colección de rocas con sus características

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Colección de rocas con sus características

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COLECCIÓN DE ROCAS ESCUELA POLITÉCNICA SUPERIOR DE ÁVILA
Departamento de Geología - Universidad de Salamanca

LABORATORIO DE GEOLOGÍA
"GUIÓN DE RECONOCIMIENTO DE ROCAS"
Esta página ha sido concebida para ayudar a los alumnos de primer curso de las Ingenierías Técnicas en Topografía y Obras Publicas de la Escuela Politécnica Superior de Ávila en las prácticas de reconocimiento de rocas que se cursan en las asignaturas de Geomorfología (Grado en Ingeniería Geomática y Topografía) y Geología (Grado Ingeniería Civil). Los ejemplares de rocas que aquí aparecen son los mismos disponibles en las colecciones de prácticas. No obstante existen algunos ejemplares no disponibles en las mencionadas colecciones (señalados con un asterisco) y que se ponen aquí como ejemplo.

Instrucciones :

· Pinchando sobre cada una de las cajas se podrá ver el contenido de cada una de ellas

· Para volver a esta página, al principio de cada una de las cajas, existe un símbolo de retorno

· Para ver la información sobre las muestras o la ampliación de las fotografías pinchar sobre las mismas

· Para retroceder pinchar sobre las flechas

· Al final de esta página se recogen ejemplos prácticos de reconocimiento de rocas ( página en construcción )
Página diseñada y mantenida por Pablo G. Silva Barroso y Loreto Rodríguez Bouzo
Departamento de Geología. Universidad de Salamanca

"EJERCICIOS DE RECONOCIMIENTO DE ROCAS"
Estos ejercicios son similares a las pruebas que se realizan en el examen de reconocimiento de rocas de las mencionadas asignaturas. En cada uno de ellos aparecen cinco ejemplares que han de ser clasificados y descritos correctamente. Lógicamente la prueba se supera clasificando, al menos, tres de forma correcta.

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COLECCIÓN DE ROCAS ESCUELA POLITÉCNICA SUPERIOR DE ÁVILA Departamento de Geología - Universidad de Salamanca LABORATORIO DE GEOLOGÍA "GUIÓN DE RECONOCIMIENTO DE ROCAS" Esta página ha sido concebida para ayudar a los alumnos de primer curso de las Ingenierías Técnicas en Topografía y Obras Publicas de la Escuela Politécnica Superior de Ávila en las prácticas de reconocimiento de rocas que se cursan en las asignaturas de Geomorfología (Grado en Ingeniería Geomática y Topografía) y Geología (Grado Ingeniería Civil).

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Ella te ayudará a descubrir las rocas y minerales y sus procesos generadores

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Seguro encuentras un experimento o práctica de tu interés

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ELI home

Earth Learning Idea activities are grouped into the nine categories shown in the table. Click on a category to access the activity
ELI+ activities require some basic school laboratory equipment or include some abstract ideas

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ELI home Earth Learning Idea activities are grouped into the nine categories shown in the table. Click on a category to access the activity ELI+ activities require some basic school laboratory equipment or include some abstract ideas

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Cómo trabajar las pseudociencias en clase

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Cómo trabajar las pseudociencias en clase

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James Randi - Astrologia (Legendado em portugues)

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Stellarium es un planetario de código abierto para su computadora. Muestra un cielo auténtico en 3D, tal como lo que ve a simple vista, con binoculares o un telescopio.

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Algunos materiales educativos sobre Astronomía

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Algunos materiales educativos sobre Astronomía

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Esta página usa marcos, pero su explorador no los admite.

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Un espectroscopio es un instrumento destinado al análisis de la luz. Con este análisis se puede obtener información sobre un gran número de fenómenos físicos o propiedades de los cuerpos, por lo que estos aparatos se emplean en una gran diversidad de áreas de física y química. Aquí os mostramos cómo construir un espectroscopio casero para analizar el espectro de diferentes tipos de bombillas y lámparas.

El fundamento del espectroscopio es muy sencillo de entender. La espectroscopía se basa en un proceso que separa la luz blanca en sus diferentes colores. Este proceso natural es conocido por todos, ya que se puede observar de forma natural en el arco iris. El arco iris que aparece en momentos de lluvia con presencia de luz solar se produce debido a que las gotas de agua actúan como pequeños prismas que separan las diferentes radiaciones, de manera similar a lo que ocurre en un espectroscopio.

Con estas herramientas vamos a construir nuestro propio espectroscopio casero. Gracias a él podremos descubrir y entender la composición de la luz. Para ello debemos usar nuestra imaginación y apuntar el espectroscopio a diferentes fuentes de luz que tengamos a nuestro alcance (pero nunca al Sol). Os sorprenderá ver el espectro lumínica de las bombillas incandescentes, de un tubo fluorescente, de una lámpara LED o de una farola de la calle.

Este es un experimento ideal para hacer con los niños en casa o en el colegio. De manera fácil y divertida podremos introducir aspectos de física y química como la composición de la luz e incluso hablar de la composición y los colores de las estrellas.

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Construir un espectroscopio casero - AstroAficion

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Un espectroscopio es un instrumento destinado al análisis de la luz. Con este análisis se puede obtener información sobre un gran número de fenómenos físicos o propiedades de los cuerpos, por lo que estos aparatos se emplean en una gran diversidad de áreas de física y química.

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Online 3D simulation of the Solar System and night sky in real time - the Sun, planets, dwarf planets, comets, stars and constellations