Science 12 Test Crossword
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
 
 
Down: 1) the layer of the atmosphere above the stratopause in the stratosphere3) the change in the temp. that results from a doubling of the concentration of carbon dioxide in the atmosphere4) troposphere, tropopause, ozone layer, stratosphere, stratopause, mesosphere, mesopause, thermosphere5) in the U.S. system, the unit for pressure is pounds per square inch (pounds/in*2)7) the layer of the atmosphere that contains the highest concentration of ozone 8) 0-14 , 7 is neutral, under 7 is acidic, above 7 is alkaline 10) the lowest region of the atmosphere; contains almost all of the weather we experience11) the division between the troposphere & the stratosphere13) a preserved physical characteristic used to determine past climate conditions15) in the metric system, the unit for pressure is Newtons per square meter (newtons/m*2)19) the layer of the atmosphere above the mesopause & mesosphere Across: 2) the force applied to an object divided by the area over which it is applied6) nitrogen dioxide, carbon monoxide, ozone, nitrogen monoxide 9) the layer of the atmosphere above the troposphere & tropopause12) when you divide by the area over which the weight is pushing14) the reduction of the oceans pH due to increasing carbon dioxide in the air16) your height above sea level : usually the temp. decreases as you increase altitude17) the amount of the chemistry of interest found per million units of mixture -ex: 1 PPM = 0.0001%18) gravity20) a decrease in air pressure21) a chemical reaction that occurs when oxygen combines with other substances to produce heat & usually light22) a collection of gases that surround the planet; this collection of gases is called air23) when greenhouse gases absorb energy, bc it warms the atmosphere24) stratosphere25) decreased
 

 

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