Many of UNI's centers and institutes provide outreach and programming for area schools and the public. A selective list related to science areas is included below.
These tools can help you determine if there are free online (legal!) versions of scholarly articles you want.
Limit by domain name to see results only from .gov sites. Example: robotics site:.gov
Use quotation marks to search for logical phrases. Example: "lesson plan"
Be specific. If you want a curriculum aligned with standards, include those terms in your search. Example: robotics curriculum "standards-aligned" OR robotics curriculum NGSS
Many government agencies have resources for educators (selections linked below). All federal agencies are required to have a website for youth.