Studied by 7 people
What are the layers of the earth?
Lithosphere
Asthenosphere
Mesosphere
LIQUID Outer Core
SOLID Inner Core
What is the density of the Lithosphere?
2.8 g/cm³
What is the density of the Asthenosphere?
4.5 g/cm³
What is the density of the Mesosphere?
5.6 g/cm³
What is the density of the Outer Core?
10 g/cm³
What is the density of the Inner Core?
13 g/cm³
What are the characteristics of Primary Waves (P waves)?
goes through solids & liquids
faster
horizontal
What are the characteristics of Secondary Waves (S waves)?
goes through only solids
slower
vertical
Which kind of seismic wave can pass through the core of the earth?
P waves
Which kind of seismic wave cannot pass through the core of the earth?
S waves
Why is the center of the earth hot?
radioactivity (unstable nucleus emits radiation which heats up the earths core)
What are 2 examples of radioactive material that heats the earths core?
potassium-40
uranium-238
What does ‘wedging’ calculate?
how FAR away the earthquake happened
What does triangulation calculate?
the location of the epicentre
How do you use the Richter scale to calculate ‘Energy’
32x
How do you use the Richter scale to calculate ‘Ground Moving’
10x
What do Transverse Boundaries cause?
earthquakes
What do Divergent Boundaries cause?
volcanoes
rifts
What do Convergent Boundaries cause?
earthquakes
volcanoes
mountain ranges
Note 
Flashcard (93)