Demographics

Please indicate the JA Area you are served by:

—Please choose an option—JA of AlabamaJA of Greater New OrleansJA of Rhode IslandJA of South Central PennsylvaniaJA of Southwest New England

What are the first three letters of your FIRST name?

What are the first three letters of your LAST name?

In what MONTH were you born?

—Please choose an option—JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

On what DAY of the month were you born?

—Please choose an option—12345678910111213141516171819202122232425262728293031

Name of School:

What is the name of your teacher?

What grade are you in?

—Please choose an option—K-23-56-89-12

Knowledge

What does the ballast system do?

It conveys energy from the propulsion system.It heats the submarine.It makes the submarine rise and submerge.It makes the submarine quieter.

A naval architect is most likely to _______.

use 3-D modeling to design a submarine's structuremake sure all of a submarines' systems work togethersolve problems with the propulsion systemgive the order for a submarine to submerge

Why is it difficult to balance speed and stealth when designing a submarine?

Stealth requires the submarine to be still.Speed creates noisy vibration and friction.Submarines are too big to move quietly.Speed makes submarine structures unstable.

Awareness

Interest