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2991717
1.- Plate tectonics: Evidence of plate movement
Descripción
https://www.khanacademy.org/science/cosmology-and-astronomy/earth-history-topic/plate-techtonics/v/plate-tectonics-evidence-of-plate-movement
Sin etiquetas
cultura científica 1º bach 1ºtrimestre
1.- plate tectonics
básica media
Test por
PEDRO ALVAREZ JIMENEZ
, actualizado hace más de 1 año
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Creado por
PEDRO ALVAREZ JIMENEZ
hace alrededor de 9 años
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Resumen del Recurso
Pregunta 1
Pregunta
Which 2 continents could fit into each other?
Image:
eae17037-dddb-44d8-b723-08e29e33902b (image/png)
Respuesta
Antarctica and Asia
Africa and South America
Europe and Asia
Pregunta 2
Pregunta
Why do we use the alignment of magnetic rocks to know how old a plate is?
Image:
c65d4bd7-b70b-4141-8bac-641c7b921f18 (image/jpg)
Respuesta
The older rock that's aligned with our current magnetic field
The newer rock that's aligned with our ancient magnetic field
The newer rock that's aligned with our current magnetic field
Pregunta 3
Pregunta
If you look at magnetite which is close to the mid-ocean ridge. What do you expect about its alignment?
Image:
75fe83ea-4f1a-4be2-bfc3-b912e707e906 (image/jpg)
Respuesta
They're aligned in a way that you would expect with the current magnetic field
They're aligned in a way that you would not expect with the current magnetic field
They're aligned in a way that you would expect with the ancient magnetic field
Pregunta 4
Pregunta
And what about if magnetite is further?
Image:
297af351-2191-45e7-a233-08563df9e019 (image/jpg)
Respuesta
You have circles of other magnetic rock that is going in the opposite direction
You have stripes of other magmatic rock that is going in the same direction
You have stripes of other magnetic rock that is going in the opposite direction
Pregunta 5
Pregunta
Why this magnetic stripes pattern is an evidence of plate movement?
Image:
6850d121-9781-49f2-a9cd-6398a412acd8.gif (image/gif)
Respuesta
Wegener discovered them
The rift has had to move apart
Magnetic stripes change throughout time
Pregunta 6
Pregunta
In present times, What system do we use to measure the plate movement?,
Image:
6024425b-b639-4c30-9094-7f9f93706078.gif (image/gif)
Respuesta
Lageos
Computer monitoring
GPS satellites
Pregunta 7
Pregunta
Could you compare this speed to any biological process?
Image:
e076422c-6a3f-4a9e-8141-31fd2dba42b9 (image/jpg)
Respuesta
The speed at which hair grows
The speed at which fingernails grow
The speed at which fbones grow
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