This links you to the new K-12 science standards, based on A Framework for K-12 Science Education, developed by the National Research Council, to provide all students an internationally benchmarked science education. These standards were released in April, 2013 for states to consider for adoption.
An Introduction to the Next Generation Science Standards for MMSD Science Teachers Brochure
This links you to the district's K-8 Scope and Sequence document.
These standards are from the Wisconsin Department of Public Instruction (DPI). This link takes you to the DPI web site. The Science standards can be found in the left column.