Atoms Through Time: Questions Students will use the websites listed below to answer the following questions in their notebook. 1. What is an atom and where did the word atom get its origin? 2. Who were the co-originators of the belief that all matter is made up of indivisible “elements” called atoms? When did they live and how were they related? 3. How did the beliefs of Aristotle compare with other Greek philosophers? 4. Who were the alchemists and what role did they play in the historical development of atomic theory? 5. Who established the law of conservation of mass and what relationship does he have concerning the current system of naming chemical compounds? 6. How did John Dalton’s atomic laws improve on the speculations of the Greek Atomists? 7. Who first started organizing the elements into a table? a. where are the metals, non-metals, and metalloids located on our periodic table? 8. What was Henri Becquerel searching for when he accidentally discovered natural radioactivity? 9. What was J.J. Thomson’s original name for electrons? 10. Why was J.J. Thomson’s model called the “plum pudding model”? 11. What significance did Ernest Rutherford give to the conclusions of his alpha particle experiment? 12. List the names of at least two famous scientists who were mentored by Ernest Rutherford. 13. What improvements by Niels Bohr make to the atomic model of Ernest Rutherford? a. Which subatomic particle does Bohr’s Model focus on? (protons, neutrons, or electrons b. Draw the Bohr’s Model for sodium and chlorine. 14. What major contribution did James Chadwick make to our understanding of atomic structure? 15. What scientist is given credit for developing the wave model of the atom? 16. What contributions did Max Planck make to our modern picture of the atom? 17. List one contribution that Albert Einstein made to help us understand atomic theory. 18. What significant contributions did Marie Curie make to the development of our understanding of atomic theory? 19. What scientist is remembered as the “father of the atomic bomb”? 20. What are quarks and what two scientists suggested their existence? 21. Who was the scientist responsible for the prediction of antimatter? 22. Summarize what the Cern’s laboratory is working on. 23. What is the Higgs Boson? Atoms Through Time: Websites Atom http://www.fact-index.com/a/at/atom.html Democritus http://www.fact-index.com/d/de/democritus.html Aristotle http://www.angelfire.com/sc2/atomtheory/aristotle.html The Goals of Particle Physics Richard (Ryszard) Stroynowski Lavoisier, Antoine http://scienceworld.wolfram.com/biography/Lavoisier.html Dalton’s Atomic Theory http://www.angelfire.com/sc2/atomtheory/dalton.html Periodic Table: https://www.youtube.com/watch?v=PejaN0us2ro Radioactivity: Historical figures http://www.orcbs.msu.edu/radiation/resources_links/historical_figures/historical_figures.htm J.J. Thomson and the Discovery of the Electron http://www.pbs.org/transistor/science/events/electron.html https://sites.google.com/site/thomsonsexperiment/jj-thomson-s-atomic-model-and-theory Rutherford’s Experiment- Part II: The Paper of 1911 http://www.chemteam.info/AtomicStructure/Rutherford-Model.html Ernest Rutherford Atom Man http://www.nzedge.com/heroes/rutherford.html Niels Bohr http://www.dummies.com/how-to/content/atomic-structure-the-bohr-model.html https://www.youtube.com/watch?v=LeXOxWuuVRU The Wave Nature of Matter http://www.colorado.edu/physics/2000/quantumzone/debroglie.html Planck’s Constant and the Energy of a Photon http://www.colorado.edu/physics/2000/quantumzone/photoelectric2.html Chapter 3: Einstein Demystifies Photoelectric Effect http://www.faqs.org/docs/qp/chap03.html Elements and Atoms: Chapter 18 Early study of Radioactivity: Marie Curie http://www.aip.org/history/curie/brief/03_radium/radium_1.html Enrico Fermi Physicist http://www.lucidcafe.com/library/95sep/fermi.html A Summary of Particle Physics http://particleadventure.org/other/proj_sum.html The History of Antimatter http://ffden-2.phys.uaf.edu/212_fall2003.web.dir/tyler_freeman/history.htm Cerns Labs http://home.web.cern.ch/about Higgs Boson http://science.howstuffworks.com/higgs-boson.htm .