| Question |
Answer |
| Isaac Newton |
Said light was made of particles. |
| Thomas Young |
Showed that light is a wave. |
| R.D. Oldham |
Studied earthquakes waves to show the earth had a liquid core. |
| Albert Einstein |
Showed light is a particle through the photoelectric effect. |
| Heinrich Hertz |
Unit of Frequency named after him |
| James Maxwell |
Found variation in the strength of the electric and magnetic fields |
| Christian Doppler |
Doppler effect- stretch waves as they move away and squish them as they move towards you |
| Wilhelm Roentgen |
First to identify form of radiation : x-rays |
| Henri Becquerel |
Discovered alpha particles as radiation |
| Marie Curie |
Discovered alpha particles are coming from the nucleus. |
| James Chadwick |
Discovered the nucleus contained neutral particles |
| Maria Mayer/ Hans Jensen |
Both put forth independent theories of "nuclear shells" |
| Enrico Fermi |
Started the 1st sustained fission reaction |
| Lise Meitner/ Irene Curie |
Broke down uranium by adding neutron to its nucleus |
| Ida Noddack |
Suggested uranium could break up but no one listened |
| Otto Hahn |
Expert in spectroscopy and won the Nobel prize for fission |
| Frederic Joliot |
Won a Nobel prize for showing elements can be made radioactive |
Kirby Davis
on 2009-04-29
MedTemCP5 Word+Pics
