Phy Sci Crossword
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
                                          
 
 
Down: 1) 2) Heat below the earth3) Is an enegry source that is replaced by natural processes faster than humans can consume the resource7) Includes all the individuals of one species living in a particular area.8) include any substance that contaminates the environment.9) flammable liquid formed from the decay of ancient organisms,such as microscopic planktin and algae.11) About 7 percent of eletrical enegry used in the united states comes from hydroelrctric power plants.12) The greatest number of number of individuals of a particular species that the environment can support.13) A term used to describe the pollution that results from the reaction between sunlight ad vehicle or factory exhaust.15) Is renewable organic matter, such as wood. soy, corn, sugarcane fibers, rice hulls, and animals manure. Across: 1) occurs when atomic nuclei combine at very high temperatures.4) formed from the remains of ancient plants and animals over million of years.5) Is any radioactive material that results when raidoactive materials are used6) coverts raident enegry directly into electrical enegry10) Acid precipiton can corrode metals and cause harm to plants and animals.14) Resources that cannot be replaced by natural process as quickly as they are used. All fossil fuels are nonrenewable sources.16) Waste that is poisonous, cause cancer or catch fire.17) USes enegry from controlled nuclear reactiobs to geerate electricity.
 

 

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