Minerals Crossword
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
 
 
Down: 1) the reflection of light off a mineral's surface3) a material that is cut and polished for jewelry, are usually rare and do not break or scratch easily4) when an atom shares one or more electron with another atom5) a measure of whether a mineral will scratch or be scratched6) a subatomic particle that has a positive charge7) the number of protons plus the number of neutrons 10) minerals that do not conduct heat or electricity 13) a break in a mineral that is not along a cleavage plane15) the joining of ions to make molecules17) a rock that contains minerals with useful elements18) valuable minerals found in stream gravels21) minerals that have a shiny appearance and are good conductors of heat and electricity23) subatomic particles with a no electric charge24) the color of a mineral's powder25) the largest mineral group making 90% of Earth's crust27) a scale used to test the hardness of a mineral28) scientists who study minerals29) an inorganic, crystalline solid formed through natural processes having a definite chemical composition32) minerals that conduct heat and electricity Across: 2) melted rock inside Earth8) a solid in which the atoms are arranged in a regular, repeating pattern9) how much matter is in a certain amount of space11) the smallest unit of a chemical element12) what is created when an aton either gains or loses electrons14) a concentration of minerals that are profitable to mine16) tiny subatomic particles with a negative charge19) the sum of the masses of all the atoms in the molecule 20) a substance that cannot be made into a simpler form by ordinary chemical means22) a collection of minerals26) elements containg only one type of element30) atoms of an element with differing numbers of neutrons31) substances having a structure that is not characteristic of living bodies33) mineral deposits that form when a mineral fills cracks in rocks34) minerals without metal and do not shine35) the tendency of a mineral to break along certain planes to make smooth surfaces36) the smallest unit of a compound with all the properties of that compound37) the ratio or relationship between the mass of the mineral and the mass of an equal volume of water38) when electrons are transferred between atoms and an atom of a metal will give one or more electrons to a non-metallic atom39) when one atom has electrons more often than another atom in the molecule, giving the molecule a positive and a negative side40) a mine region restored to it's natural state
 

 

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