Across
- 4. Was the first woman to win the Nobel Prize, and the only one to win two- for her discovery of polonium and radium
- 7. studied for a PhD in reflected light from interplanetary dust and the velocity of dust in the plane of the Solar System and used his knowledge of sound waves to amplify sound and create the illusion of a large crowd
- 8. Proposed wireless communication and invented the ____ coil
- 11. Discovered the four main moons of Jupiter and supported the heliocentric solar system
- 12. Created the classification system for stars which has become the universal standard
- 14. Discovered evidence of dark matter from the movement of stars on the edges of galaxies
- 19. Won the Nobel Prize in physics for the photoelectric effect and published many other theories
- 20. First American woman to fly in space
- 21. First man to orbit the Earth and the oldest man in space
Down
- 1. Did nuclear physics, worked on the Manhattan project, and separated Uranium into U235 and U238
- 2. Developed the three laws of motion and discovered that white light was made up of all other wavelengths
- 3. developed a theory of evolution to explain biological change
- 5. Hosts his own show on NOVA called Cosmos and brings science to the public
- 6. First woman to hold an executive position at the space agency and known as the "mother of hubble"
- 7. Won a Nobel Prize in physics for her discovery of the nuclear shell model of the atom
- 9. Discovered nuclear fission but did not get credit for it
- 10. known for his contributions to the fields of cosmology, general relativity and quantum gravity, especially in the context of black holes
- 13. First woman to be paid for her work in science and discovery of 8 comets
- 15. Discovered force transmitting particles which were then named after him
- 16. Huge supporter of climate change awareness and helped develop sundials that were used in the Mars Exploration Rover missions
- 17. Discovered penicillin
- 18. discovered that electricity can be transmitted in electromagnetic waves