Oceanography1 Crossword
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
 
 
Down: 1) warming of planet surface by trapped heat2) decay time of radioactive isotopes5) discovered circumference of planet using sun angles9) earth's 'plastic' layer, partly molten; responsible for tectonic movements10) formulated quantitative method for plankton study12) location of an earthquake on the earth’s surface above the focus14) discovered mathematical model of wind-deflected currents16) 'fire-formed' rock; formed as magma or lava cools18) atomic energy involving combining nuclei; involves a proton-proton reaction galaxy - system of billions of stars20) point of energy release at an earthquake Across: 3) invented a reliable chronometer4) 19th century oceanographic ship6) 20th Century oceanographic drilling ship7) light from approaching galaxies shifted to shorter wavelengths8) appearance of shelled forms at beginning of Cambrian (600 mya)10) developed hypothesis of sea floor spreading11) the process by which certain microbes create energy by using chemical reactions independent of sunlight..13) gas giants in orbit around the sun; Jupiter, Saturn, Uranus, Neptune15) produced charts of Pacific; used Harrison’s chronometers17) atoms within an element that have the same atomic number but differing atomic weights18) fracture of rocks w/movement19) mass per unit volume20) divided sea into life-depth zones21) Nansen’s “ice proof” vessel22) produced the first map of the Gulf Stream
 

 

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