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Continental Drift Flashcards | StudBud
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Continental Drift
Continental Drift
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7th Grade Science Review over continental drif
Flashcards
13 cards
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Questions
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Answers
1
Matching mountain ranges in North America (Appalachians) and Europe (Caledonian) support the idea of continental drift.
False
True
2
What is continental drift?
Continents are always stationary on a liquid core.
Continents are always maintaining their positions.
plates are colliding in the athenosphere
continents were once joined and continue to move over time
3
Which piece of evidence best supports the idea of continental drift?
glaciers
ice
Glacial deposits found on South America,Africa, India & Australia
glacial striations
4
Who proposed the idea of continental drift?
Fettucini Alfredo, a master chef
Alfred Wegner, a meteorologist
Charles Darwin, a geologist
Stephen Hawking, a physicist
5
All continents might have once been connected as one large land mass called?
Earth
Pangaea
continental drift
boundary lines
6
Convection currents are thought to be the driving force for continental drift.
False
True
7
The layer of the Earth where tectonic plates are located
atmosphere
solid inner core core
liquid outer core
lithosphere (upper mantle and crust)
8
Earth's crust and upper mantle are broken into sections called?
continental drift
countries
lava
tectonic plates
9
_________ describe the rising, spread, and sinking of gas, liquid, or molten material caused by the application of heat.
Tidal waves
conduction
Air moleculues.
Convection currents
10
______ is the movement caused within a fluid. The hotter, less dense material rises, and colder, denser material sinks.
Conduction
Radiation
Ice
Convection
11
Which piece of evidence best supports the idea of continental drift?
Fossils of similar species found on continents now oceans apart.
lystrosaurus
dinosaurs
fossils
12
This image is an example of?
drifts
ridges
Pangaea
the Americas
13
Which piece of evidence best supports the idea of continental drift?
jigsaw
shorelines fit
Continental shorelines appear to fit together like a jigsaw puzzle.
jigsaw puzzle
