These four fields are all interconnected. Math and Science are the foundational for Engineering and Technology.
Here are a few links to explore.
http://www.arrickrobotics.com/robots.html
Interested in Robotics? This site is all about it.
Interested in Engineering? This websites promotes engineering awareness.
Site to learn how to program
http://www.discovery.com/tv-shows/mythbusters
This is the show is one that fully uses math and science together. This show incorporates all STEM areas.
Source for connecting students to college opportunity/success
A collection of great sites for kids from the American Library Association
Free study material for students taking SAT1
Homework help - subscription service
Information about the ACT college entrance test, as well as resources to assist students and parents with preparing for college
Live homework help - subscription service