Plate Motion Chapter 3
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What tool do scientists use today to measure the current rate and direction of plate motion?
GPS
(wrong answers:
Barometer,
Telescope,
String-And-Can)
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What evidence did Alfred Wegener use for continental drift?
Fossil evidence from different continents
(wrong answers:
Satellite Images,
Ocean Temperature Readings,
Magnetomoter Data)
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What is the main reason that humands cannot feel plate motion directly?
The plates move to slowly for humans to notice.
(wrong answers:
The plates don’t move under land,
The plates move in circles,
The plates only move during the night)
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The Mesosaurus fossils found in both South America and Africa are evidence that:
Those continents were once joined together
(wrong answers:
The fossils drifted through ocean currents,
Mesosaurus evolved twice independently,
The species could swim across the Atlantic)
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What is Gondwanaland?
An ancient supercontinent made of several connected landmasses
(wrong answers:
A type of tectonic plate boundary,
A large ocean basin,
A modern continent)
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What does GPS data show about plate motion?
(wrong answers:
Plates stop moving during earthquakes,
Plates move slowly and continuously all the time,
Plates move only when volcanoes erupt,
Plates have stopped moving in modern times)
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When reconstructing Gondwanaland, what kind of evidence helps scientists fit continents together?
Fossil locations and rock patterns
(wrong answers:
Air pressure readings,
Rainfall data,
Soil samples)