Oceanography1 Crossword
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
 
 
Down: 1) produced the first map of the Gulf Stream3) 'fire-formed' rock; formed as magma or lava cools4) point of energy release at an earthquake6) warming of planet surface by trapped heat7) 19th century oceanographic ship9) invented a reliable chronometer10) atoms within an element that have the same atomic number but differing atomic weights13) light from approaching galaxies shifted to shorter wavelengths17) gas giants in orbit around the sun; Jupiter, Saturn, Uranus, Neptune18) discovered circumference of planet using sun angles24) Nansen’s “ice proof” vessel Across: 2) developed hypothesis of sea floor spreading5) mass per unit volume8) appearance of shelled forms at beginning of Cambrian (600 mya)11) fracture of rocks w/movement12) 20th Century oceanographic drilling ship14) the process by which certain microbes create energy by using chemical reactions independent of sunlight..15) divided sea into life-depth zones16) decay time of radioactive isotopes19) atomic energy involving combining nuclei; involves a proton-proton reaction galaxy - system of billions of stars20) formulated quantitative method for plankton study21) earth's 'plastic' layer, partly molten; responsible for tectonic movements22) location of an earthquake on the earth’s surface above the focus23) discovered mathematical model of wind-deflected currents25) produced charts of Pacific; used Harrison’s chronometers
 

 

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