Lesson 10 Vocabulary Quiz

This small _________ makes it so easy to sharpen my pencil.

• genius

• electric

• occassional

• gadget

The inventor designed an _____________ to test his invention.

• experiment

• genius

• occasional

• noun

Thomas Edison tested new inventions in his ____________.

• experiment

• invention

• genius

• laboratory

Raising your hand is a _________ that you would like to speak.

• genius

• laboratory

• experiment

• signal

How did people see at night before the ____________ light was invented?

• laboratory

• electric

• experiment

• occassional

Thomas Edison had an ___________________ problem when he was testing his inventions.

• invention

• experiment

• occasional

• genius

Thomas Edison was a __________ who invented many things we still use today.

• invention

• experiment

• genius

• occasional

Which Edison ____________ do you think is most useful?

• experiment

• genius

• laboratory

• invention