1. Who invented the ballpoint pen in 1894? a) Biro brothers b) Waterman brothers c) Bican brothers
2. Which scientist discovered the radioactive element radium?
a) Albert & Hermann Einstein b) Henry & Harrison Ford c) Marie Curie & Pierre Curie
3. The first airplane was invented by
a) Grimm brothers b) Wright brothers c) Schumacher brothers
4. The first movie pictures were invented in 1895 by
a) Waterman brothers b) Albert & Hermann Einsteinc) Lumiere brothers
5. They were the inventors of the hot air balloon, globe aérostatique.
a) Montgolfier brothers b) Wright brothers c) Bican brothers

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