Vocabulary/People
The rising and sinking of air, water, or magma
What are convection currents?
the landmass that was once called the super continent
What is Pangea?
two plates move towards each other creating mountains
What is a convergent boundary?
taking out too many fish in an area
What is overfishing or overharvesting?
An area of land where water flows over and drains into a stream, river, or ocean
What is a watershed?
this person came up with the continental drift; that the supercontinent drifted to present day continents
Who is Alfred Wegner?
The continuous movement of plates moving the ocean floor that was discovered with sonar
What is sea floor spreading?
two plates moving away from each other creating rift valleys, mid-ocean ridges, and ocean basins
What is a divergent boundary?
Water found on Earth's surface including rivers, lakes, and oceans
What is surface water?
this person helped to support the continental drift theory using sonar to see the ocean floor spread
Who is Harry Hess?
the idea that Wegner proposed giving evidence behind the supercontinent
What is the Continental Drift?
two plates slide past each other creating a fault line and possible earthquakes
What is a transform boundary?
Overfishing, fertilizer runoff, and burning of fossil fuels
What is negatively impact the ocean systems?
Water found beneath Earth's surface such as soil or aquifers
What is groundwater?
the taking away of trees in a given area
the action that causes magma to rise and sink moving the plates
What are convection currents?
the area where two tectonic plates interact with each other
What is a plate boundary?
What is an artificial reef?
Reducing the use of fertilizers and pesticides
What is a beneficial or positive impact?
the taking away of nature to replace with more houses or city
What is urbanization?
Fossils, the shape of the land, and different land features.
What are pieces of evidence for the Continental Drift Theory?
this occurs when a denser tectonic plate sinks beneath a less dense tectonic plate.
What is a subduction zone?
fertilizers or pesticides that take out the oxygen in the water
What is a dead zone?
taking away trees, deforestation, and making more cities, urbanization
What are harmful or negative impacts to watersheds?