Inventions Questions And Answers.

1. Who invented the BALLPOINT PEN?
A. Biro Brothers
B. Waterman Brothers
C. Bicc Brothers
D. Write Brothers

2.What J. B. Dunlop invented?
A. Pneumatic rubber tire
B. Automobile wheel rim
C. Rubber boot
D. Model airplanes

3. Which scientist discovered the radioactive element radium?
A. Isaac Newton
B. Albert Einstein
C. Benjamin Franklin
D. Marie Curie

4. When was barb wire patented?
A. 1874
B. 1840
C. 1895
D. 1900

5.What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
A. Charles Richter
B. Hiram Walker
C. Giuseppe Mercalli
D. Joshua Rumble