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Paleomagnetism
What is a massive, irregularly shaped slab of the lithosphere?
tectonic plate
What type of north does the compass point to?
magnetic
What is the name of the underwater mountain range in the Atlantic Ocean?
Mid-Atlantic Range
What is the actual name of Eloize?
Bob
What did P.M.S Blackett do?
He developed the device that measures magnetic properties of rocks in the 1950's?
How many recognized plates are there?
15
True
What is running in the center of the Mid-Atlantic Ridge?
an ocean rift called The Great Global rift (a valley)
Who knows the plans He has for you?
God
True or False? The magnetite showed that all continents poles moved in the same direction?
False
What is a boundary between two plates that are moving away from each other?
Divergent boundary
True or false? Geographic north pole changes
False
What refers to the deep ocean, so it's like the plains you find on land, but its deep in the ocean?
abyssal plain
How many planets are there in the universe?
8
What is the explanation for the poles moving in different directions on different continents?
Continents moving!
What is a good example of a divergent boundary?
continental rift
What is an event in which the earth's magnetic field switched its orientation to the opposite of what it is today?
Magnetic reversal
What force resists motion?
friction
What are the names of those planets?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What precipitates out as molten rock cools?
minerals
A boundary between two plates that are moving toward each other is called what?
convergent boundary
How much weaker is the magnetic field since 1850? 10% or 40%
10%
According to Harry Hess, what slowly rises from rifts like the Great Global Rift, forming new igneous rock that forms the mountains found in ridges like the Mid-Atlantic Ridge?
magma
What is geology?
The study of the earth