Minerals
What's the name of the scale that measures the Hardness property?
Mohs
What are the 3 classes of rocks?
igneous, sedimentary, metamorphic
The lithosphere can be found in what layer?
crust
This man devised the theory of continental drift
Alfred Wegener
Which plate is more dense: oceanic or continental?
oceanic
What's the most abundant mineral on Earth?
quartz/silica
The most common type of rock on Earth is?
granite
In what layer of Earth are diamonds found?
crust
mantle
outer core
inner core
mantle
As you get further from the large ridge under the Atlantic ocean, the age of the rock gets older or younger?
older
What type of current moves the plates? (hint: hot fluids rise, cold fluids sink)
convection currents
What is the acronym for the 5 characteristics of all minerals?
CINDS
What four steps are necessary for a rock to break down and reform as sedimentary rock?
weathering
erosion
deposition
compaction
A fluids resistance to movement is called _______. Syrup have more of it than water.
viscosity
Harry Hess proved him right using what scientific advancement that helped map the ocean floor.
SONAR
In a convergent boundary, the more dense plate will sink under the less dense plate. This is called what?
subduction
Streak describes what property?
internal color
What rock is the main foundation for us in South Florida and turns into marble through the metamorphic process?
limestone
This semi-fluid layer in the upper mantle causes the movement of the plates above.
Asthenosphere
Sea-floor spreading was occuring in the deep ocean in what famous underwater mountain ridge?
Mid-Atlantic ridge
Boundary line where two plates move apart from one another is called ________
divergent boundary
When a mineral breaks in even patterns that's called?
cleavage
What two variables are required to convert sedimentary or igneous rock into metamorphic?
heat and pressure
Which layer is liquid and is responsible for creating electrical currents that create our magnetic field?
outer core
List the 4 pieces of evidence he used to develop his theory of continental drift
1. fossils
2. plants in uninhabitable regions
3. contiguous landforms/mountain ranges
4. puzzle pieces
Earthquakes can arise when two plates move passed each other get caught and an enormous amount of energy is released. What type of boundary is this? (San Andreas Fault)
transform