First term notecard questions

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First term notecard questions

  1. 1. A  Sustainable  World  through   Chemistry  •  Notecard  ques9on:  In  what  ways  is  our  way  of  living   affec9ng  the  world  around  us?    
  2. 2. Notecard  Ques9on  •  What  three  substances  can  be  found  in  CFCs?   In  your  own  words  describe  what  CFCs  do  to   the  ozone  layer.  
  3. 3. Notecard  ques9on  •  In  PAIRS  classify  the  following  maGer  as  either   having  poten9al  energy,  kine9c  energy  or  both   and  state  whether  it  is  an  element,  a  compound,   a  heterogeneous  mixture,  or  a  homogeneous   mixture  (they  may  have  more  than  one   classifica9on  or  no  classifica9on):    •  Electrons,  Peeled  banana,  Lemonade,  Petroleum,   A  sac  filled  with  pieces  of  wood,  Ethanol  (A  type   of  alcohol),  Salt  water,  Sand,  Potassium,  C6H12O6   +  H2O,  Brass  musical  instruments.  
  4. 4. NOTECARD  QUESTION  –   In  Chemistry  what  does  the  following   statement  mean:  Once  bread  has  been  burned,   it  can  never  go  back?    
  5. 5. NOTECARD  QUESTION  •  In  groups  of  3:  with  phenomena  in  your   environment,  exemplify  state  changes   that  maGer  undergoes.    •  Write  the  symbol  for  the  following  3   elements:    Cadmium,  Beryllium,   Potassium.  
  6. 6. Laws  in  Dalton’s  Atomic  Theory  •  NOTECARD  QUESTION:  •  Total  mass  remains  constant  during  a  chemical   reac9on  •  Constant  composi9on  •  FIXED  mass  of  one  element,  the  mass  of  the  other   element  is  in  ra9os  of  small  whole  numbers.  

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