STEM Exploration

Teach Engineering: A searchable, web-based digital library collection populated with standards-based engineering curricula for use by K-12 teachers

Link Engineering: An online community of educators interested in providing meaningful engineering experiences to PreK-12 students of all abilities

eGFI: An interactive website created by the American Society for Engineering Education (ASEE) to promoting and enhance efforts to improve K-12 STEM and engineering education. 

Sparkfun: Provides curriculum, professional development, materials/kits, and research to support STEM Education focusing on electronics, robotics, and computer science

Engineering Games: A list of games to help understanding of some aspects of engineering.