Edivate.com Microcredentials
https://www.eie.org/
This is a series of videos, reflection questions, and activities that allow a teacher to work at his/her own pace to learn the primary principles of project based learning.
The Buck Institute for Education
http://www.bie.org/
The Buck Institute is devoted to showing teachers how to use Project Based Learning in all grade levels and subject areas. The Buck Institute creates, gathers, and shares high-quality PBL instructional practices, resources, and products for teachers, schools, and districts. The resource section provides excellent rubrics to aid in the assessment of student learning as well as teacher implementation of project-based-learning.
Christine Cunningham. Engineering in Elementary STEM Education: Curriculum Design, Instruction, Learning, and Assessment. Teachers College Press: 2018.
Christine Cunningham is the pioneering spirit behind the eie.org curriculum. This book reviews the history of the development of the eie.org curriculum, gives an excellent review of the differences between science and engineering, and provides practical suggestions for implementing the eie.org curriculum.
STEM Teaching Tools
http://stemteachingtools.org/
The STEM Teaching Tools site focuses on teaching of the Next Generation Science Standards. Each "tool" is a collection of knowledge from research and practice. As the eie.org curriculum is aligned to the NGSS, many of the tools from this site are very relevant and useful for improving eie.org curriculum implementation. For example, the tools for effective questioning strategies and for encouraging student voice are in line with the instructional practices recommended by eie.org.
Engineering is Elementary Website
https://www.eie.org/
This is the website for the Boston Museum of Science program Engineering is Elementary. It contains a wealth of resources on the history of eie, the research that has been conducted, how the program works, as well as unit specific resources for implementation and extension.