8th Grade Earth Science Exam Review Chap 5 Crossword
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
 
 
Down: 1) compounds that contain hydrogen and carbon2) energy from the sun5) deposit of useful minerals7) rock that has at least 50% plant remains9) when a lot of windmills are together to purpose/generating electricity11) deposits mineral or mineral that are big enough to be mined at a profit12) amount of fossil fuel that can be extracted at a profit using current technology13) fuel such as coal, oil, and natural gas that form from remains of plants and other organism that has been buried and altered for over millions of years14) thick, black liquid Across: 3) energy from burning wood, alcohol, and garbage; the term biomass is derived from the words biological and mass.4) energy obtain by using hot magma or hot, dry rocks inside Earth6) using old materials to make new ones8) energy produced by waterpower10) forms under similar conditions and often with oil, but forms in a gaseous state15) biomass energy16) 1. Solar (from sun) 2. Wind 3. Hydroelectric (from water) 4. Geothermal17) alternate energy source produced from atomic reactions; nuclear fission is carried out in nuclear power plants using a type of uranium as fuel.
 

 

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