Science Content Standards Grades K-12
California State Board of Education.
A link to the content standards for science in California as adopted by the State Board of Education. NOTE: The standards are available as a .pdf file and will require Adobe Acrobat Reader to print.
http://www.cde.ca.gov/ci/science.html

Science Content Standards By Grade
Kindergarten
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th Grade (focus on earth science)
7th Grade (focus on life science)
8th Grade (focus on physical science)
Grades 9-12 Physics
Grades 9-12 Chemistry
Grades 9-12 Biology/Life Sciences
Grades 9-12 Earth Science
Grades 9-12 Investigation and Experimentation

National Science Education Standards.
National Research Council, National Academy of Sciences.
The National Academy Press now has the full text of the science standards online.
http://www.nap.edu/readingroom/books/nses/

California Science Framework
On-line access to the science framework drafts. Coming soon!
Timeline for Science Framework development