3ETS Poll: Americans See Math and Science as Key to U.S. Competitiveness [EB/OL].http ://www.hispanicprwire.eom/ne ws.php?l=in&id=6484. 2011-07-31.
4The Opportunity Equation: Transforming Mathematics and Science Education for Citizenship and the Global Economy [EB/OL].http ://opportunityequation.org/uploads/files/oe_re- port.pdf. 2011-07-31.
5武夷山.美国制订历史上第一个国家科学教育标准.中国科技论坛,1995,(2):64-64.
6National Research Council. A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas. Washington, DC: The National Academies Press, 2011.1.
7Metz, K. Reassessment of Developmental Constraints on Children' s Science Instruction. Review of Educational Re- search, 1995, 65: 93-127.
8National Research Council. Taking Science to School: Learning and Teaching Science in Grade K-8. Washington, DC: The National Academies Press, 2007.53.
9John D. Bransford, Ann L. Brown, Rodney R. Cocking. How People Learn: Brain, Mind, Experience, and School: Ex- panded Edition. Washington, DC: The National Academies Press, 2000.31.
10Sarah Michaels, Andrew W. Shouse, Heidi A. Schwein- gruber. Ready, Set, Science!: Putting Research to Work in K-8 Science Classrooms. Washington, DC: The National Academies Press, 2008.38.34.
