This type of earthquake wave is measured first.
What is a p-wave?
This ocean floor feature has the highest water pressure and is found at convergent boundaries.
What is a trench?
Fossils are found in this type of rock.
What is sedimentary?
Currents at the bottom of the ocean are called this.
What is thermohaline?
This fossil fuel is found throughout the Appalachian Plateau of Virginia.
What is coal?
The point under the surface where rocks move, causing an earthquake, is called this.
What is the focus?
This ocean floor feature is found at divergent boundaries.
What is a mid-ocean ridge?
The oldest rocks are on the ____.
What is bottom?
Adding salt to water ___________________ the density of the water.
What is increases?
This Virginia region is the oldest.
What are the Blue Ridge Mountains?
This tool is used to measure earthquakes.
What is a seismograph?
Small islands were this ocean floor feature before breaking the surface.
What is a seamount?
In order for an organism to become a fossil, it must have ______ parts.
What is hard?
Waves are caused by this type of wind.
What are local winds?
Erosion is found mostly in this region of Virginia.
What is the Coastal Plain?
The scale used to measure earthquakes is called this.
What is the Richter Scale?
This ocean floor feature is totally flat.
What is the abyssal plain?
Anything that cuts through a rock came __________ that rock.
What is after?
This type of tide happens when the Sun, Moon and Earth are in a straight line.
What is a spring tide?
Any resource used by people faster than nature can produce it is called ______.
What is non-renewable?
Wegener found the same fossils on different continents, meaning that this supercontinent (giant landmass) once existed.
What is Pangea?
This ocean floor feature is very steep and connects the continental shelf to the deep ocean.
What is the continental slope?
These are two characteristics that an organism must have in order to become an index fossil.
What are short-lived and widespread/found many places?
Ocean water is made of these two elements.
What are sodium and chlorine?
Besides being expensive, why is wind not used to make energy for large cities?
What is the wind isn't always blowing?