21212121 Crossword
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
 
 
Down: 1) D=m/v2) energy is released so it feels hot3) The variable that is changed6) high8) the variable that changes because of the manipulated variable9) Sodium Chloride10) the study of matter12) A change in matter that produces new substances15) A substance that is chemically combined17) AWESOME Across: 4) Speed up the rate of a reaction5) Physical7) Dalton' model:all matter is made of atoms11) something that is not chemically combined13) they slow down reactions14) The ability to dissolve16) energy is taken in so it fields cold18) Alkali & Halogens; they can become stable the easiest19) Tetralithium Pentabaride20) A substance that is chemically combined21) Bohr's model was rings around the nuecleus22) Production of Bubbles(means that a gas has been produced.) A precipitate has formed(a solid) Change in color A change in energy Heat is released Change in smell
 

 

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