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30 Cards in this Set
- Front
- Back
Alfred Wegener's idea of continental drift was reject because |
He would not identify a force |
|
Earth's Layers |
crust, mantle, outer core, inner core |
|
Earth's Magnetic Field results from the spinning of..... |
the inner core |
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Rocks farther away from the mid-ocean ridge were older than those near |
Scientists used sea floor drilling |
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When scientists observed the mid-ocean ridge... |
they saw rocks formed by the eruption of molten material |
|
Mid-ocean ridge |
longest chain of mountains in the world |
|
Heat transfer within fluid takes place by |
Convection currents |
|
Earth's lithosphere are in constant motion |
Theory of Plate Tectonics |
|
Pangaea |
Supercontinent that existed millions of year ago |
|
Movement of Earth's plates is caused by |
Convection Currents |
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Heat Transfer |
when you touch a hot pan energy moves from the pot to your hand |
|
A collision between two pieces of continental plates forms a |
Mountain Range |
|
Continental Drift |
all continents once were joined together (supercontinent) |
|
Scientists that study forces |
Geologists |
|
Formation of volcanoes and mountain ranges is explained by |
The theory of Plate Tectonics |
|
Hot plate-heat transfers from your plate to hand by |
conduction |
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The lithosphere is broken into sections called |
plates |
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Subduction occurs where the oceanic crust bends down toward the mantle at a |
deep ocean trench |
|
Energy from the sun that warms your face |
radiation |
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Heat is transferred as soft rock flows slowly |
Convection Current |
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Sea-Floor Spreading |
adds new crust to the ocean floor |
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Oceanic crust is made up of |
basalt |
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Plates slip past each other in opposite directions |
transform boundary |
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Made of solid iron and nickel |
inner core |
|
Asthensophere |
made of soft rock that bends like plastic |
|
A continental plate collides with an oceanic plate at a |
convergent boundary |
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Pangaea |
Continents had once been joined together |
|
When continental plates pull apart at a divergent boundary |
Rift Valley |
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Geologists learn about Earth's interior by studying |
seismic waves |
|
Alfred Wegener studied |
evidence from fossils |