Quiz
1.- Plate tectonics: Evidence of plate movement
Questions in this quiz (7)
1Which 2 continents could fit into each other?
- AAntarctica and Asia
- BAfrica and South America
- CEurope and Asia
2 Why do we use the alignment of magnetic rocks to know how old a plate is?
- AThe older rock that's aligned with our current magnetic field
- BThe newer rock that's aligned with our ancient magnetic field
- CThe newer rock that's aligned with our current magnetic field
3If you look at magnetite which is close to the mid-ocean ridge. What do you expect about its alignment?
- AThey're aligned in a way that you would expect with the current magnetic field
- BThey're aligned in a way that you would not expect with the current magnetic field
- CThey're aligned in a way that you would expect with the ancient magnetic field
4And what about if magnetite is further?
- AYou have circles of other magnetic rock that is going in the opposite direction
- BYou have stripes of other magmatic rock that is going in the same direction
- CYou have stripes of other magnetic rock that is going in the opposite direction
5Why this magnetic stripes pattern is an evidence of plate movement?
- AWegener discovered them
- BThe rift has had to move apart
- CMagnetic stripes change throughout time
6In present times, What system do we use to measure the plate movement?,
- ALageos
- BComputer monitoring
- CGPS satellites
7Could you compare this speed to any biological process?
- AThe speed at which hair grows
- BThe speed at which fingernails grow
- CThe speed at which fbones grow
Information
- Description
- https://www.khanacademy.org/science/cosmology-and-astronomy/earth-history-topic/plate-techtonics/v/plate-tectonics-evidence-of-plate-movement
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- Deleted user
- Language
- English
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- History
- Created on 6 Sep 2016 · updated on 27 Oct 2016
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