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picture. By using information from the narration you have just watched, please work cooperatively and prepare a story about this specific development. Please present your story to the class. ……………………………………… [...] and it is even unclear whether 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 [...] passed the metal foil (and in the course of the experiment they used gold foil as this could be prepared extremely thin), with some of them being scattered, very few of them were reflected. “In retrospect

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• Lavoisier and the conservation of mass

particular by the French army in their North Afri- can colonies. These devices enabled the soldiers to prepare hot meals without producing smoke, a detail relevant from a military perspective. These cookers were [...] Mouchot’s solar devices were used by the French soldiers in North Africa. In this way they were preparing meals without a smoke. A few solar system were build and used to power stem engines. On September [...] the sun’s light and spare the fire that is only meant to heat the house?” While he made the last preparations to teach his geometry class, he could not get his mind off the energy issue. The thought kept

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• Mouchot and the solar cooker

mayor, he still undertook various 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

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• Guericke and vacuum

mayor, he still undertook various 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

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• Guericke and vacuum

and it is even unclear whether 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 [...] passed the metal foil (and in the course of the experiment they used gold foil as this could be prepared extremely thin), with some of them being scattered, very few of them were reflected. “In retrospect [...] the one emit- ted from pure Uranium. In a long and laborious analysis, they were finally able to prepare pure samples of the elements Polonium and Radium. Particularly Radium became central to the re- search

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• Dalton and the atoms

who was the supervisor of the 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

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• Lichtenberg and the electrophorus

who was the supervisor of the 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

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• Lichtenberg and the electrophorus

not to be forced into duty by the dreaded recruiting officers. In a lengthy and detailed document prepared for the Elector, Sir Benjamin expressed his deep criti- cism of the situation and suggested a radical [...] Sir Benjamin had a spe- cial room constructed beside the kitchen in which he secretly stored and prepared potatoes. The cooks who were allowed to enter this room were sworn to secrecy. After much exper

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• Rumford and nutrition

can find it in many webpages e.g: http://www.wyaee.org/Portals/19/Calories_in_a_Peanut.pdf) Please prepare in your group the worksheet given to you by your teacher for this purpose. Activity 5 According to

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• Rumford and nutrition

you first sit in total darkness 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

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• Rutherford’s Nuclear Atom