REFERENCES
- Brown , P. L. and Abell , S. K. 2007 . Examining the learning cycle . Science and Children , 44 ( 5 ) : 58 – 59 .
- National Research Council . 2000 . Inquiry and the national science education standards , Washington , DC : National Academy Press .
- National Research Council . 1996 . National science education standards , Washington , DC : National Academy Press .