Earth Structure & Continental Drift Ii Crossword Puzzle

Download and print this Earth Structure & Continental Drift Ii crossword puzzle. Use a pencil or pen to complete the puzzle by filling in the blanks. The completed answers are included, so you can easily check your progress.

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ASTHENOSPHERE : This is a weak, plastic-like, partly molten layer of the upper mantle, directly below the moho.
CONVECTION CURRENTS : These are present in the asthenosphere.
PLATE MOVEMENT : The convection currents in the asthenosphere are thought to be the driving force behind this.
CENTROSPHERE : This is the name given to what is thought to be the two-layer core of Earth.
MAGNETIC FIELD : Currents flowing in the outer core may create this for Earth.
INNER CORE : This portion of the centrosphere is thought to consist of a solid ball.
PRESSURE : It is thought that, even though temperatures in the inner core get to be very high, this is so intense that the core cannot melt.
DIFFERENTIATION : In this theory of the formation of Earth, heavy material sank toward the core and lighter materials rose toward the surface.
ISOSTASY : This theory describes continental movement that occurs when continents slowly sink or slowly rise.
GLACIAL ICE : According to isostasy, this adds weight to continents and makes them sink.
EROSION : According to isostasy, this removes weight to continents and makes them rise.
ALFRED WEGENER : This German meteorologist theorized that the continents had once been fused together as one super continent.
PANGAEA : This is the name Wegener gave to the ancient huge super-continent.
COASTLINE FIT : This shows that today’s continents fit together like puzzle pieces.
AFRICA : The east side of this country and the west side of South America fit together almost perfectly.
GEOLOGIC FIT : The fact that landforms & rocks in Africa are nearly identical to the ones found in South America show this.
PALEOCLIMATOLOGY : Since there are coal fields in polar regions, this study of past climates projects that the climate in these regions must have been different in the past.
FOSSIL CORRELATION : Since uniform fossils have been found on different continents, this points to the continents being joined together many years ago.

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QUESTIONS LIST:

asthenosphere : this is a weak, plastic-like, partly molten layer of the upper mantle, directly below the moho.
convection currents : these are present in the asthenosphere.
plate movement : the convection currents in the asthenosphere are thought to be the driving force behind this.
centrosphere : this is the name given to what is thought to be the two-layer core of earth.
magnetic field : currents flowing in the outer core may create this for earth.
inner core : this portion of the centrosphere is thought to consist of a solid ball.
pressure : it is thought that, even though temperatures in the inner core get to be very high, this is so intense that the core cannot melt.
differentiation : in this theory of the formation of earth, heavy material sank toward the core and lighter materials rose toward the surface.
isostasy : this theory describes continental movement that occurs when continents slowly sink or slowly rise.
glacial ice : according to isostasy, this adds weight to continents and makes them sink.
erosion : according to isostasy, this removes weight to continents and makes them rise.
alfred wegener : this german meteorologist theorized that the continents had once been fused together as one super continent.
pangaea : this is the name wegener gave to the ancient huge super-continent.
coastline fit : this shows that today’s continents fit together like puzzle pieces.
africa : the east side of this country and the west side of south america fit together almost perfectly.
geologic fit : the fact that landforms & rocks in africa are nearly identical to the ones found in south america show this.
paleoclimatology : since there are coal fields in polar regions, this study of past climates projects that the climate in these regions must have been different in the past.
fossil correlation : since uniform fossils have been found on different continents, this points to the continents being joined together many years ago.