Elementary STEM Education

Agencies + Associations + Organizations
American Association for the Advancement of Science 
American Society for Engineering Education 
Association for Constructivist Teaching
Association for Science Teacher Education
Center for Public Integrity (The)
Council of Elementary Science International
Council for Exceptional Children 
Grand Challenges for Engineering 
International Society for Technology in Education
International Technology and Engineering Educators Association (ITEEA)
Iowa Academy of Science
Iowa Department of Education
Iowa Governor's STEM Advisory Council
National Center on Accessible Instructional Materials
National Council of Teachers of Mathematics
National Science Teacher Association
National Science Digital Library
Partnership for 21st Skills 
SciLinks
Union of Concerned Scientist (UCS)

Fairs + Competitions
Google Science Fair
Science Olympiad

Badges
Open Badges
Do It Yourself (DIY)

Standards + Literacy Documents
A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas 
Earth Science Literacy Initiative 

STEM Curriculum
Carolina Curriculum for Science and  Math
Engineering is Elementary
Explore Learning
PhET Interactive Simulations
Seeds of Science 

Print + Web Resources
Education Elementary
Google Earth
Make
Minute Physics
Nature
Nova
Science Friday
Science House
Science News
STEM Connector
Sixty Symbols
Technology Review
TED
The National Academies Press

K-12 Professional Development 
Graphic Enhanced Elementary Science 
PBS Teacher Line 
The Inquiry Project 

Web 2.0 Tools
Adobe Ideas
Coach's Eye
Drop Box
edublogs
Great Tech Tools  
Google Drive
Google +
Knowmia
Learning Tools Interoperability (LTI) Applications
LinkedIn
Skype
TechSmith
Twitter
Voice Thread