SUBMARINEBy:

Gerard Z. (G-unit)Vincent S. (Cowboy)

Anthony D. (Ant)

Submarine

Description *Describe how the transportation device works. A submarine goes under the water without sinking. It also carries nuclear bombs that attack.

*Sourcewww.Navymill.com

Materials*List the materials used to make the device.Steal , Felixible Steal, Titanium or GRP (Glass Reinforced Plastic)

*Sourcewww.Navymill.com

Energy*Describe the energy changes that take place when the device operates.Nucular reactors , steam turbine ,reduction gearing, diesel engines and batteries.

*SourceSciencehowstuffworks.com

Forces *Identify the forces acting when the device operates An unbalanced force acts on the submarine.

*SourceSciencehowstuffworks.com

Motion *Describe the motions that occur when the device operates. A submarine sways left to right and that can cause an unbalanced force.

*Source answers.com

History *Tell who invented the device-Cornelius Drebble*When was it first used?-1776*Where was it first used?-New York Harbor*Describe how it was made…-By underwater vehicles

*SourceHistory Navy mill.com

Importance*Describe how the transportation device improved getting aroundWars, search and rescue

*SourceAnswers.com

Improvements or Modifications

*Describe a way to make the device work better or do some new task

*To make it better you would and a few more propellers