Show:
Scientific Method / Properties of Earth
Earthquakes
Plate Tectonics
Volcanoes
Rocks and Minerals
100
This is the first step of the scientific method
What is ¨make an observation¨?
100
This is the minimum amount of seismograph station required to pinpoint the location of an Earthquake's epicenter
What is three?
100
This is the dude who first proposed Continental Drift
Who is Alfred Wegener?
100
This is the smallest form of pyroclast
What is volcanic dust?
100
This is the softest material on the Mohs scale
What is Talc
200
This is the outermost layer of Earth
What is crust?
200
This is the scale used to measure the energy of earthquakes
What is the richter scale?
200
This is the force causing the pacific ocean grow
What is seafloor spreading?
200
Most volcanoes form because of this
What is subduction?
200
These are the two most common resources mined in Pennsylvania
What are coal and natural gas?
300
This is the steps of the Scientific Method in order
What are Make an Observation, Form a Question, Form a Hypothesis, Conduct an Experiment, Draw a Conclusion
300
This is the point directly above where the earthquake occured
What is an epicenter?
300
This is how many years ago Pangea was formed
What is 200 million years
300
This is where most of the world's volcanoes are located
What is the Ring of Fire?
300
This is the material that steel is made of
What is iron
400
The inner core is made of this material
What is iron?
400
This is the primary cause of earthquakes
What are transform boundaries
400
This is the bending and snapping of rocks back into place when energy is released
What is Elastic Rebound Theory?
400
This is a substance's ability to resist flow
What is viscosity?
400
These are all four of the ways that erosion occurs
What are ice, wind, water, gravity
500
These are the layers of earth from the inside out
What are inner core, outer core, mantle, crust
500
This is the scale that shows the intensity and damage caused by an earthquake
What is the Modified Mercalli scale?
500
This is what the term ¨Pangea¨ means
What is "All Earth"?
500
This is the movement of plates that most often causes volcanoes.
What are plates being pushed under another?
500
This is what causes holes in igneous rocks
What are dissolved gasses