Inventions Quiz 23 (25 MCQs)

Quiz Instructions:

Select an option to see the correct answer instantly.

1. Nuclear fission was discovered in experiment in

2. The advent of wireless technology has significantly impacted the ability to _____ more effectively.

3. First mechanical calculator was built in 1642 by

4. Which artistic material was invented during the Han dynasty?

5. Who invented plastic?

6. Electronic instrument which is used to measure alkalinity or acidity of a liquid was invented by

7. The game that represent battle in a battlefield(discovered by Indians).

8. Who perfected GENETIC ENGINEERING?

9. What time span of inventions are the 1920's?

10. The profession involved in the development of processes, products, and systems that benefit mankind

11. In the end, Luca was happy because _____

12. Who invented the first telephone?

13. It travels over land and water. Who invented the HOVERCRAFT?

14. What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?

15. _____ is a series of refinements to an original idea or product.

16. First personal computer controlled with a keyboard that is used by one person was invented by

17. What did cardiologist Dr. Paul Zoll invent in Massachusetts in 1952?

18. What ice age enemy became mans best friend?

19. Gun powder was invented in 9th century in

20. Engineering design is _____ you often go back and forth between steps.

21. Rocket Engine was invented by

22. Radio valve was invented by

23. It is used in currency and measurement(discovered by Indians).

24. Why did the "cottage industry" come to an end?

25. An early production method was called cottage industry because workers _____