Science

Anatomy
3D print body parts to recreate a body system (circulatory, reproductive)
Model for creating a prosthesis
Partner with local vets/rescues to create prosthetics for animals

Biology
Design business model for cell organelles; have students create business cards
Mitosis/Meiosis Students create a video using green screen
Create a plant cell

Earth Science
Model of Earth's Layers

Ecology
Design and make 3D model of nature reserve/ conservation/ natural park
Empathize: Work with school and local businesses to design a conservation place for local flora and fauna

Physics
Design playground
Design Gliders or Powered Craft 
The Redneck Rocket

Empathize: Design playground for handicapped individuals

Astronomy 
Create 3D model of the universe (laser cut, engraved, 3D printed, CNC)