What is a mechanical engineer? What jobs do they do and what education must they obtain?

My 14 yr old son is always making things. I'm wondering if mehanical engineering might be something he'd enjoy studying.

Well, building things could very well translate to building structures, bridges, dams.... and so on. I mean he could be very well suited for civil engineering.

If he understands 3D space and is good in maths, that might be the way to go. Of course, nothing satisfies an engineer more than to see the product of his imagination exist for real and architects are best qualified to do that.

I am sure your son, will be a creative individual and will do well in whatever field he subsequently chooses. just make sure he does not get off track in the ensuing "crazy teen" years.

Most any engineering will be based on math, physics and chemistry. For most industrial operations, it's the ME who actually builds the product, oversees the manf. process, and etc... Unlike an EE who designs his part, but rarely sees it other than on his PC monitor. ME is the most hands on any of the engineering, and the basic skills can be used for any of the other engineering fields. Put a lot of emphasis on writing skills, as most engineers don't do this well.

A mecnanical engineer needs a degree from a college or university which usually takes 4 years to get, after graduating from high school.
Then he can hire on somewhere and start designing mechanical "stuff" like pumps, tanks, pressure vessels, turbines, heat exchangers, filters, robots, piping systems, and other process equipment required for the operation of chemical plants, refineries, hazardous waste systems, etc.. Also engines, tools, machinery for making other "stuff", body prosthetics, motorcycles, four wheelers, etc, etc..
If you watch the cable TV program "How it's Made" it will give you a good idea of some of the types of machinery that they get to design.
If he likes to build things and can handle the education requirements he will enjoy being a mechanical engineer.

This from a mechanical engineer who still likes to build "things".