Layers of the Earth
What are the four layers of the Earth?
Crust, mantle, outer core, inner core
Is Earth's crust a solid shell?
No
What happens when plates suddenly jerk apart(slip laterally)?
An earthquake!
What do you call a huge wave that is caused by an underwater earthquake?
Tsunami
What do you call magma when it flows out of a volcano?
Lava
What layer do we live on?
The crust
Earth's crust and upper mantle are broken into about how many major tectonic plates?
14
What is the name of the world's tallest mountain?
Mt. Everest
What is the name of the scale scientists use to show the different magnitudes(strength) of earthquakes?
The Richter Scale
Which US state had a volcano that erupted in 1980?
Washington
What is the mantle made of?
Magma (liquid rock)
What is the name of the super continent when all the continents were meshed together?
Pangaea
What is it called when one plate gets pushed under another plate?
Subduction
What is the name of the machine that records the vibrations of an earthquake?
Seismograph
What is the name of the most famous geyser and where is it located?
Old Faithful, Yellowstone National Park
Which layer is hotter than the surface of the sun?
The inner core
What are the names of the 2 types of plates?
Continental crust and oceanic crust
What are the four types of mountains?
Dome, folded, fault-block, and volcanic
What is the name of the boundary line where two plates meet?
Fault
What is the difference between hot springs and geysers?
Hot springs don't erupt and geysers do.
Which layer is the thinnest?
Which layer is the thickest?
The crust is the thinnest.
The mantle is the thickest.
What do you call the theory that the plates move?
Plate tectonics
Ridges, hills, volcanoes
What is the name of the famous fault line that runs the length of California and upon which San Francisco sits?
The San Andreas Fault
What are three major volcanoes we discussed in class?
Mt. Vesuvius, Krakatoa, Mt. St. Helens