Plate Tectonics
Mantle Convection
Carbon-14 dating
Sea-Floor Spreading
The letter C
100
The destructive boundaries.
What are divergent plate boundaries?
100
The part of the Earth's core is made up of liquid metals and is responsible for the earth's magnetic field.
What is the outer core?
100
A technique use to determine the age of old objects.
What is C-14 dating?
100
These boundaries cause seafloor spreading.
What are divergent boundaries?
100
City in the midwest discovered by Dusable?
What is Chicago?
200
These boundaries produce trenches.
What are convergent boundaries?
200
This layer is about the same temperature as the Sun.
What is the inner core?
200
when an organism dies the C-14 in its body decays into.
What is N-14?
200
this is where Seafloor spreading occurs.
What are Mid Ocean Ridges?
200
Name this Element (C)
What is carbon?
300
These boundaries are known to cause earthquakes but no other land features.
What is a transformation boundary?
300
This layer provides the heat for Mantle Convection.
What is the inner core?
300
The half-Life of C-14.
What is 5730 years?
300
When lava erupts at the mid-ocean ridge it forms this.
What is a new seafloor?
300
Radioactive isotope used for dating.
What is C-14?
400
Continental and Continental Plates sliding past each other.
What are Transformation Boundaries?
400
Convection currents cause this layer to move.
What is the Crust?
400
If you begin with 2000g of C-14. This is the amount you will have after 2 half-lives.
What is 500g of C-14?
400
As a result of seafloor spreading the oldest seafloor is found here.
What is away from the mid ocean ridge?
400
My email address.
What is cmcdaniel@cps.edu?
500
When two oceanic plates collide plate edges are bent into _____ ________.
What are subduction zones?
500
Convection Currents occur because the density of a fluid is related to ________.
What is Temperature?
500
This converts N-14 to C-14?
What is cosmic radiation?
500
Roughly 90% of all earthquakes occur here and it is dotted with 75% of all active volcanoes on Earth.
What is the Ring of Fire?
500
Causes the crust of the earth to move?
What is convection currents?
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