1. Marie Curie discovered radium in 1898?
1. Marie Curie discovered radium in 1898. Radium_________________ 2. The Egyptians built the pyramids. The pyramids________________ 3. Marconi made the radio popular. The radio______________________ 4. Erno Rubik invented his famous cube in 1977. The Rubik’s ® cube_______________________by Erno Rubik. 5. Shakespeare wrote Romeo and Juliet and Hamlet . Romeo and Juliet and Hamlet_________________________ 6. Leonardo da Vinci painted the Mona Lisa.