Show:
location on earth
plate tectonics
earthquakes
volcanoes
minerals
100
define mercator projection
What is a map which shows the earth with true directions.
100
what are plate tectonics?
What is the theroy that the earths lithosphere is divided into several large plates which move slowly.
100
what are the elastic rebound theory.
What is straightening of plates under stress snap.
100
what are pahoehoe?
What is mafic lavawhich cools slowly and produces a ropy texture.
100
Define: inorganic
What is non-living
200
define cartography.
What is study of maps.
200
what are island arcs?
What is chain of volcanic islands formed around a subduction zone.
200
what is a tsunami?
What is a massive earthquake on the ocean floor.
200
what is the difference between mafic lava and felsic lava?
mafic lava is dark, thin, found in ocean crust, non explosive felsic lava is light, thick, found in continental crust, explosive
200
what is the streak of a mineral?
What is the color of the powder form of the mineral
300
what does margetan like to do out of school?
What is golf.
300
what is the differnece between lithosphere and asthenosphere?
lithosphere- curst upper most mantle athenosphere- semi liquid, lower mantle
300
what are seismographs used for?
What is used to measure earthquakes?
300
what is magma?
magma is molten rock found under the surface of the earth?
300
what is the difference between silicate materials, and non-silicate minerals?
What is silicate:mineral containing silicon and oxygen non-silicate: mineral N0T containing silicon and oxygen.
400
define geomagnetic poles.
What is the two points on the earth where the earths magnetic fields meet.
400
difference between oceanic crust and continental crust?
oceanic crust- thin, dense found on ocean floor continental crust- thick, less dense, found on land
400
what comes first, p waves or s waves
What is p waves
400
what are the three main types of volcanoes?
What is shield, composite, cinder.
400
what is cleavage?
Cleavage is when a mineral breaks along smooth, flat surfaces
500
difference between longitude and latitude?
longitude-runs vertically (up and down) latitude- runs horizantally (left to right)
500
what is pangaea?
the proposed supercontinet 200 years ago
500
What is the largest that the Richter Scale goes to?
what is 10
500
what are volcanoes?
What is any structure which moves magma to earths surface.
500
What is the Mohs Scale used for?
What is it is used for finding the hardness of minerals