Vocabulary
mountain ranges, in the middle of the seafloor
What are mid-ocean ridges?
Satellite Laser Ranging
What does SLR stand for?
a hypothesis that the continents moved very slowly, over millions of years, parallel to Earth's surface
What is continental drift?
large brittle pieces of Earth"s outer shell
What is the lithospheric plates?
Earthquakes and volcanoes are located near long, deep parts of the seafloor
What are ocean trenches?
had small diamonds glued on the tip of it
What is seafloor drilling?
ancient supercontinent
Pangaea
plate tectonics
What is the theory that explains how lithospheric plates move and cause major geologic features and events on Earth's surface?
A network that uses satellites
What is GPS?
measures Earth's magnetic field
What is a magnetometer?
A book Wegener wrote
What is The Origin of Continents and Oceans?
earthquakes, volcanoes, and mid-ocean ridges
What tells where lithospheric plates end and begin?
this sinks into the mantle, breaks and bends, causes earthquakes
What is a slab?
Glossopteris
What is a seed fern?
255 million years ago
About when did Pangaea appear?
heat controls ___
What control plate movement?
Regions of Earth's crust and upper mantle that are fractured into plates that move across a deeper plasticine mantle.
Lithospheric plate
three land animals
What are mesosaurs, cynognathus, and lystrosaurus
meteorologist
What was Harry Hess's occupation?
Thickness and composition
What are 2 differences between the two lithospheres?