History Test Crossword
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
                               
 
 
Down: 1) Using absorptive structures with no moving parts to gather and hold heat2) The tilt of the Earth changes from 21.5 to 24.5 every 41,000 years5) Pump heat-absorbing medium through a collector, rather than passively collecting heat in a stationary object6) The capacity to do work8) An international group of scientists and governmental representatives from 130 countries formed to review the scientific evidence for climate change.9) Simultaneous production of both electricity and steam, or hot water, in the same plant Across: 3) Called on nations to roll back carbon dioxide, methane, and nitrous oxide emissions about 5% below 1990 levels by 2012. 4) Hot, dry weather is often present. Resulting high sea surface temperatures cause hurricanes to be more violent.7) Varations in the Earth's orbit over time10) Rate at which work is done 11) every 100,000 years, the earth's orbit becomes more elliptical and then returns back to more of a circle12) Application of force over distance (measured in joules) 13) A 'wobble' of the Earth's axis occurs during a 26,000 year period14) Occurs when warm surface waters in Pacific Ocean move back and forth between Indonesia and South America.
 

 

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