What is the equation for density?
D = M/V
Two plates moving toward each other
Convergent
How are volcanoes created?
What is a subduction zone?
What is it called when a divergent boundary is created on the seafloor?
What is seafloor spreading?
How much of the parent isotope is left over after 1 half life?
50%
If the density of water is 1 g/ml, will a cube of density 0.5 g/ml float or sink?
Float
Two plate sliding past each other create what type of geological event?
An earthquake
What is the type of energy transferred called that states hot matter rises and cold matter sinks?
What is convection?
This plate boundary creates earthquakes
Transform
How much daughter isotope is there after 2 half lives?
75%
Hot material is more or less dense than cold material?
Less Dense
Where is the youngest seafloor located?
Why does hot matter rise?
What is less dense?
True or False: The Hawaiian Islands are OLDER than the surrounding seafloor.
What is false?
How much of the parent isotope is left over after 3 half lives?
12.5?
What are the layers of the Earth From inside out?
Inner core, outer core, mantle, crust
How is old seafloor recycled?
Subduction under continental plate
What layer of the Earth do convection currents happen?
What is the mantle?
What are the two names of the processes that break down rocks called?
Weathering and erosion
If the half life of something is 50 years and its gone through 3 half lives how old is it?
150 years old
What layer of the Earth is the MOST dense?
The inner core
Which type of crust is denser, continental or oceanic?
Oceanic
What is the heat source that drives convection currents?
What is radioactive decay?
What is nebular theory?
If the half life of something is 50 years and its gone through 1 half lives how old is it?
50 years old