The Scientific Method / Properties of Earth
Plate Tectonics
Earthquakes
Volcanoes
Rocks and Minerals
100
What is the outermost layer of the Earth?
The crust.
100
What is a Theory that the Earth's continents have moved throughout it's history?
Continental Drift.
100
Where do 80% of Earthquakes occur?
The Ring of Fire.
100
What is liquid rock formed from heat inside the Earth?
Magma.
100
What are the three main types of rock, based on how they are formed?
- Igneous - Sedimentary - Metamorphic
200
What is a theory that can be proven correct each time it's tested?
A Law.
200
What is the name of the "Super continent"?
Pangaea
200
The point within Earth where faulting begins.
The Focus or "Hypocenter".
200
What type of lava forms Oceanic crust, is dark in color, and is generally runny?
Mafic lava.
200
What rock forms due to physical or chemical changes, due to extreme heat and pressure?
Metamorphic rock.
300
How many standard Time Zones are there?
24.
300
Why is Oceanic crust thinner, but heavier than continental crust?
Because water is heavier and compresses the crust.
300
The point directly above the focus on the surface.
Epicenter.
300
What are Pyroclasts?
Rock fragments made of hardened felsic lava.
300
What three things must be present, to identify mineral?
- It's a Solid - It's Inorganic - It's Naturally Occuring
400
What is the shape of the Earth?
Oblate Spheroid.
400
What are the three types of Lithospheric Plate Boundaries?
-Divergent Boundaries. -Convergent Boundaries. -Transform Boundaries.
400
How are Earthquakes measured?
Seismographs.
400
What two factors determine the thickness and the explosiveness of lava in a Volcano?
Viscosity and Gas Content.
400
What is the easiest way to observe a mineral, but not always the most efficient?
Color.
500
A Law stating that all galaxies in the universe are moving away from one another:
Hubble Law.
500
What are separate pieces of Oceanic and Continental Crust which float on the asthenosphere?
Lithospheric Plates.
500
What are the two types of Seismic Waves?
- Body Waves - Surface Waves
500
What type of Volcano is Paricutin (located in Mexico)?
Cinder Cone.
500
What scale is used to determine the hardness of a Mineral?
Mohs Scale.