Earth's Structure
The outermost layer.
What is, the Crust?
Thickness of the Crust.
What is, 5-60km thick ?
The P and S in P-waves and S-waves stand for....
What are, Primary and Secondary
The core is divided into ____ layers.
What is, two?
The largest layer of Earth.
What is, the Mantle?
The thinnest part of Earth's Crust.
What is, the Ocean floor?
The degrees in which the Shadow Zone is located between from the earthquake's focus.
What are, 105o - 140o
*DOUBLE JEOPARDY*
The boundary between the Crust and Upper mantle.
What is, Moho (or Mohorovicic discontinuity)
The hottest layer of the Earth.
What is, the Core?
The thickest part of Earth's Crust.
What are, Mountain ranges?
______ Waves are both Primary and Secondary waves combined.
What are, Seismic waves?
Seismic waves ____ __ when they pass through the bottom of the crust and enter the upper mantle.
What is, speed up?
Give 2 things that the inner core is made out of.
What is, Nickle, oxygen, Silicon, Sulfur.
*DOUBLE JEOPARDY*
The portion of the Upper Mantle that consists of weak rock that flows slowly.
What is, the Asthenosphere?
Seismic waves start out from the Earthquake ________.
What is, Epicenter
P-waves and S-waves slow down when they reach the _______
What is, Asthenosphere
The main substance the Outer Core is made out of.
What is, Iron?
Earth's Crust is ____ dense than the mantle.
What is, less?
The bending of P-waves and the stopping of S-waves creates the _____.
What is, Shadow Zone?
The mantle is divided into two layers based on ____ _____ _____
What are, seismic wave speeds