Earth's Layers
Density
Plate Boundaries
Vocabulary
Miscellaneous
100
The solid mass of iron in the center of the Earth
What is the core
100
How much an object weighs compared it its volume
What is density
100
Two plates coming together to form one plate
What is a convergent boundry
100
The theory that describes the movement of the Earth's plates
What is plate tectionics
100
What technology can be used to track the movement of the lithospheric plates
What is GPS (global positioning system)
200
The outermost layer of the Earth
What is the crust
200
This change in temperature increases mass of a materal
What is an decrease in temperature
200
A plate boundry where plates are spreading apart from one another
What is a divergent boundry
200
Paleontoligosts notices that these were the same on different continents even though the continents were separated by oceans
What are fossil samples
300
The slow moving putty like layer of the Earth
What is the mantle
300
This change in temperature decreases the mass of a material
What is an increase in temperature
300
A boundary where two plates slide past each other
What is a transform boundary
300
When two plates combine to form one plate
What is is suture zone
300
The deepest parts of the oceans
What are deep ocean trenches
400
The crust and the upper portion of the mantle
What is the lithosphere
400
mass/volume
What is the formula for density
400
When one plate is forced under another and into the mantle because of density differences
What is subduction
400
The circulation of magma in the Earth's mantle
What is thermal convection
400
This man came up with the theory of continental drift
Who is Alfred Wagner
500
This causes the center of the Earth to be solid despite its incredibly high temperature
What is the pressure from all of the above layers
500
Mass equals 50 grams, volume equals 10 cm cubed
What is a density of 5 g/cm cubed (find volume and mass)
500
The process of breaking in the ocean floor that creates new lithoshpere by spreading
What is sea floor spreading
500
What happens when built up energy from transform boundaries is released
What is an eathquake
500
Absolutely perfect
What is the degree of perfection that this group has achived in educating middle schoolers in a totally cool and fun way
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