Welcome to the T4 Inventions Test Yourself area, where you can take tests about inventions of the T4 site and see how you match up with other testers.  Are you up to the challenge? Below are all the tests we are currently offering, click on the name of the test to start it.

Test Name	Questions	Description
Communications Test	10	This test quizes you on the Telephone, Telegraph, Television, Radio, The Internet, and the Satellite. This test is Moderately Difficult.
Transportation Test	10	This test quizes you on the Airplane, Automobile, Train, Bicycle, Submarine, Airship, and Helicopter. This test is Moderately Difficult.
Energy Test	10	This test quizes you on Electricity, Nuclear Power, Nuclear Weapons, the Light bulb, and Fluorescent lighting. This test is moderately difficult.