Tectonic movement
What are the two types of tectonic plates?
Ocean and continental
What causes an earthquake?
The movement of tectonic plates.
Why do we use topographic maps?
To show the elevation of a location.
If rock sediment is under another what does that imply?
The rock sediment is older than the one above it.
What is a fossil?
Any type of preserved remains of a once-living thing.
What causes a deep-sea trench?
Sea floor spreading
What causes seafloor spreading?
Convection currents.
What is a contour line?
A line that indicates the elevation of a location on a map.
What is the law of superposition?
If rock sediment is found under another then that sediment is older.
What causes volcanic activity?
Tectonic movement.
What is an epicenter?
Where the seismic waves of an earthquake first hit the surface.
What are divergent plate boundaries?
A place where two tectonic plates pull apart from each other.
What is a contour line interval?
If rock sediment is cutting through another then it is younger than the one it cuts through.
What are convection currents?
The movement of hot matter moving up and cold matter flowing down makes a current.
What are the three types of seismic waves?
Primary, secondary, and surface waves.
What are convergent boundaries?
A place where tectonic plates push against each other.
What does it mean if the contour lines are spaced farther apart on a topographical map?
The slope of the region is gradual.
What is the law of inclusion?
If rock sediment is enclosed in another then it is older than the one that surrounds it.
What is carbon dating?
The process of dating an object, based off of the number of carbon atoms found inside of it.
What is a subduction zone?
A subduction zone is an area where one plate goes underneath the other.
What are transform boundaries?
It's when two plates move past and rub against each other.
What does it mean if the contour lines on a topographical map are close together?
The slope of the region is steep.
What is relative dating?
It is the process of dating things found around it.
What is absolute dating?
It is the process of determining the exact age of an object or fossil.