Zusammenfassung der Ressource
Frage 1
Frage
Which 2 continents could fit into each other?
Antworten
-
Antarctica and Asia
-
Africa and South America
-
Europe and Asia
Frage 2
Frage
Why do we use the alignment of magnetic rocks to know how old a plate is?
Antworten
-
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
Frage 3
Frage
If you look at magnetite which is close to the mid-ocean ridge. What do you expect about its alignment?
Antworten
-
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
Frage 4
Frage
And what about if magnetite is further?
Antworten
-
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
Frage 5
Frage
Why this magnetic stripes pattern is an evidence of plate movement?
Frage 6
Frage
In present times, What system do we use to measure the plate movement?,
Antworten
-
Lageos
-
Computer monitoring
-
GPS satellites
Frage 7
Frage
Could you compare this speed to any biological process?
Antworten
-
The speed at which hair grows
-
The speed at which fingernails grow
-
The speed at which fbones grow