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for at least a half hour with your eyes open. Then, you must be prepared to stare into the microscope and hold your eyes open without blinking for at least two minutes at a time and count all the flashes

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• Rutherford’s Nuclear Atom

this is an actual par- ticle. This assumption enabled Dalton to prepare an explanation of the stoichiometric laws he and others had formulated. According to this understanding, the law of constant

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• Dalton and the atoms

. In a long and labori- ous analysis, they were finally able to prepare pure samples of the elements polonium and radium which were identified through their spectra. Radium, in par- ticular, became

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• Maria Skłodowska-Curie: discoverer of two radioactive elements
• Joliot-Curie and artificial radioactivity
• Rutherford’s Nuclear Atom
• Dalton and the atoms
• Lavoisier and the conservation of mass
• Democritus and the atoms

for at least a half hour with your eyes open. Then, you must be prepared to stare into the microscope and hold your eyes open without blinking for at least two minutes at a time and count all the flashes [...] this is an actual par- ticle. This assumption enabled Dalton to prepare an explanation of the stoichiometric laws he and others had formulated. According to this understanding, the law of constant

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• Rutherford’s Nuclear Atom

diplomatic missions on behalf of the city. He took part in the preparation and signing the Peace of Westphalia, which finished the Thirty Years’ War in 1648. As the result of the arrangements of the

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• Guericke and vacuum

diplomatic missions on behalf of the city. He took part in the preparation and signing the Peace of Westphalia, which finished the Thirty Years’ War in 1648. As the result of the arrangements of the

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• Guericke and vacuum

University Office of the Ma- chines Models, helped Lichtenberg in preparing the experiments. The crowds of people came to the lecture, so the group of our young friends had a problem with making their way

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• Lichtenberg and the electrophorus

University Office of the Ma- chines Models, helped Lichtenberg in preparing the experiments. The crowds of people came to the lecture, so the group of our young friends had a problem with making their way

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• Lichtenberg and the electrophorus

, in the entrance foy- er of Manchester Town Hall. References Prepared on the base of: http://all-iographies.com/scientists/james_prescott_ joule.htm http://www.bad.org.uk/Portals/_Bad/History/Histori

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• The hard work of experimenting James Prescott Joule, William Thomson, and the mechanical equivalent of heat.

……………………… ………… Please discuss these questions in your group and prepare the answers so that you can present them in the discussion that will follow. Student’s Learning Activities (Joule and energy) were

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• Scientific Partnership; James Prescott Joule, William Thomson, and the mechanical equivalent of heat.
• The hard work of experimenting James Prescott Joule, William Thomson, and the mechanical equivalent of heat.