Science Scholarships
Check out the University of Northern Iowa's Physics/Engineering 3+2 program - you get a physics degree from UNI in 3 years and an engineering degree from Iowa or Iowa State in 2 years. Two degrees in 5 years. Those degrees can act as a multiplier in the number and variety of job prospects.
Quad City Engineering and Science Scholarship - click on the students drop down menu and click on scholarships
Breakthrough Challenge - present a 3 minute video explaining a scientific theory and win $250,000