|
No. |
Inventions and Discoveries |
Answers |
|
1 |
The Force of Gravity |
Issac Newton
|
|
2 |
Telephone |
Alexander Graham Bell |
|
3 |
Airplane |
Wilbur and Orville Wright |
|
4 |
America |
Christopher Columbus |
|
5 |
Safety Pin |
Walter Hunt in 1849 |
|
6 |
Dynamite |
Alfred B.Nobel, the swedish Chemist. |
|
7 |
Hydrogen |
An English Chemist, Henry Cavendish in 1766. |
|
8 |
The four major blood groups among humans |
Karl Lansteiner |
|
9 |
Pencillin |
Scottish Scientitst Alexander Fleming in 1928. |
|
10 |
X-Rays |
The German Physicist, Wilhelm Conrad Rontgen in 1895. |
|
11 |
Solar System |
Copernicus |
|
12 |
Radium |
Marie Sklodowska Curie and Pierre Curie in 1898 |
|
13 |
Radioactivity |
Henri Becquerel in 1896. |
|
14 |
Microscope |
Hans Lippershey and Hans Janssen. |
|
15 |
Oxygen |
Joseph Priestley in 1774. |
