Vocabulary
What is an original device, system, or process?
What is an invention?
A sign, gesture, or device that gives a command, a warning, or other information.
What is a signal?
Happening or encountered from time to time.
What is occasional?
Extraordinary intellectual power, especially seen in creative ability.
What is a genius?
A room or building holding special equipment for doing science tests, research, and experiments.
What is a laboratory?
Of relating to, or produced by electricity.
What is electric?
A small mechanical device.
What is a gadget?
A test to find out or prove something.
What is an experiment?