Critical Vocab Quiz #1

What is the engine to make a train go forward?

What machine plays recorded music or sound?

What works in an uneven way and makes popping noises?

If a machine moved slowly and noisily, it is called___

Another word for small specialized machines or electronic devices are called___

If something is a complete failure, what is it called?

Something that gives off a lot of light is called ___

These legal documents are for inventors and no one else is allowed to make or sell it.

A ___ has circular ends and straight sides. It takes in gas to make other parts move.

The prefix ex- means ___