Vocabulary
The thinnest layer of the Earth
What is THE CRUST
This is the under-laying (plastic-rock) flowing layer which allows the earth's plates to move.
What is the Asthenosphere?
Earthquakes and Volcanoes are usually located in relation to these.
What is a plate boundary.
What is the Longitude and Latitude of NORTHERN SUMATRA, INDONESIA
(HINT:REFER TO MAPS)
What is (Longitude 3.8935°N) (Latitude-97.273°E)
A number of rigid, but moving, pieces of Earth's surface
What is TECTONIC PLATES
This is the rigid upper layer of the earth which includes the earth's crust and upper most mantle.
What is the lithosphere?
The mid-ocean ridge is an example of a _____________ boundary and __________ occurs here where new ocean floor is formed.
What is divergent boundary; sea-floor spreading.
What is the Latitude and Longitude of EL SALVADOR.
(HINT:REFER TO MAPS)
What is (Latitude 13.0818°N) (Longitude 89.5651°W)
The theory that all continents are fragments of Pangaea now drifting apart.
What is THE CONTINENTAL DRIFT THEORY
This is the total number of plates known on earth.
What is around 20?
Name four of the major plates
What is any of the the following Eurasian Plate, Australian plate, North American plate, South American plate African plate, Antarctica plate.
What is the Latitude and Longitude of SOUTHERN SUMATRA, INDONESIA
(HINT:REFER TO MAPS)
What is (Latitude 5.884°S) (Longitude 102.9345° E)
States that youngest rocks of ocean floor are at diverging boundaries, moving outward.
What is SEAFLOOR SPREADING
This is the average distance the earth's plates move per year.
What is 1 inch / year?
This is the mechanism (what causes) the plates to move.
What is convection cycles in the mantle
What is the Longitude and Latitude of CHILE-BOLIVIA BORDER REGION
(HINT:REFER TO MAPS)
What is (Latitude 22.1949°S) (Longitude 67.8663°W)
Although the hottest layer of the Earth, this layer is solid metal.
What is the inner core
What is THE INNER CORE.
These are the two types of crust found on earth and their densities and thicknesses?
What is continental crust (less dense, but thicker) and oceanic crust (more dense, but thinner)?
The two types of convergent boundaries
What is subduction (where volcanoes often occur) and collision (where mountains are usually formed)
What is the Latitude and longitude of LA RIOJA PROVINCE, ARGENTINA
(HINT:REFER TO MAPS)
What is (Latitude 28.559°S) (Longitude 68.7907°W)