Hero Flashcards

  • scientists and what they did for atomic theory

    what did Democritus and Leucippus do? natural world consists of atomos and void what did Dalton do? formed a basis for the atomic theory what did Mendeleev do? developed a periodic table with 63 elements what did J.J. thomson do? discovered the electron what did Robert Millikan do? determined the… View Article

  • Albert Einstein Questions

    They thought he was insolent and lazy. What did most of Albert's teachers think his personality was? temper tantrums What did Albert have that terrified his family when he was a kid? A compass What did Albert's dad bring to him while he was sick in bed when he was… View Article

  • QUIZ 4

    The part of the eye that enables us to see colors is the _________. Cones in the retina What is the effect on the color of a cloud when it contains an abundance of large droplets? The cloud becomes dark. What are the subtractive primary colors? Magenta, cyan, and yellow… View Article

  • Einstein’s Big Idea

    In what year was Einstein's most famous equation published? 100 years ago What hidden unity does the equation reveal? The idea that there might be some sort of overarching, unifying energy that lays behind natural forces. How were the forces of nature viewed in 1812? They were all disconnected and… View Article

  • einstein and socialism

    eistine wrote ___ in 1905 the special theory of revelatity what was einsteins theroy of relavtivty gravity is curve in space time contium _____ developed quantum mechanics in 1900 max dianck what is the werner- heisenburg uncertanity principle we either know a particles speed or location who advocated cordinaton mangament… View Article

  • Scientists Who Contributed to Atomic Theory

    John Dalton Founded basis for atomic theory. Atomic theory: 1. Elements are made of atoms 2. Atoms can't be divided 3. Atoms can combine to form compounds 4. Atoms of a given element are identical. 5. Atoms are rearranged in chemical reactions William Crookes Invented the Crookes cathode ray tube… View Article

  • APUSH Chapter 35

    London Economic Conference page 806 66 nation conference that met to coordinate an attack global depression Roosevelt who was trying to stimulate the economy at home did not want to maintain the value of the dollar in terms of other currencies. He withdrew America from the conference and the conference… View Article

  • Newton vs Einstein

    Einstein and newton were two geniuses thinking very differently about what two things? gravity and space the way of newton space is static (not expanding or contracting) and Euclidean euclidean all Euclid's laws of geometry hold true newtons first law of motion objects have a natural tendency to move in… View Article

  • Chapter 7: EMR, Planck, Einstein, de Broglie, Bohr

    distance between two consecutive peaks or troughs in a wave (in meters) wavelength (λ) the number of waves (cycles) per second that pass a given point in space (cycles per second, 1/s, s⁻¹, or Hz) frequency (∨) speed of light 2.9979×10⁸m/s frequency equation ∨=c/λ the shorter the wavelength, the _____… View Article

  • U.S. History Semester 2 (3.4.4 Quiz: War in the Pacific)

    Why was the Bataan Death March considered a war crime? Many unarmed prisoners were killed. The Unites (sic) States used the strategy of island hopping to: move closer to the Japanese mainland. Why did Einstein urge the president to authorize the Manhattan Project? He wanted the United States to develop… View Article

  • EARTH: Chapter 26 vocab

    Aurora Displays of color and light appearing in the upper atmosphere Chromosphere Inner layer of the sun's atmosphere Corona Thin, outer atmosphere Fusion Combing of the nuclei of lighter elements to form an heavier element and make energy in the sun Geocentric Earth centered model Was the Geocentric model correct?… View Article

  • APUSH Chapter 35 Vocabulary

    George S. Patton General in the United States Army who helped lead the Allies to victory in the Battle of the Bulge. Albert Einstein This 20th Century scientist revolutionized the way scientists thought about space, time and matter, the most notable being his theory of relativity. Fair Employment Practice Commission… View Article

  • ICP Unit 6 Nuclear Fission and Fusion

    If there is a loss of 4.36 × 10^-5 g of mass in a nuclear reaction, how many kJ of energy would be released? Recall that c = 3 × 10^8 m/s. 3.92x10^6 Which statement about fission is correct? Fission is the splitting of the nucleus when it is bombarded… View Article

  • Chemistry Exam 3 (Atomic Theory)

    The wavelength of some green light is 530.0 nm. What is the frequency of this green light? 5.66 x 10^14 hz Microwave radiation vs. UV radiation Which has a longer wavelength? Which has a greater frequency? Which has greater energy? Microwave UV UV Microwave ovens emit microwave energy with a… View Article

  • APUSH Chapters 37-38 vocab

    Joseph stalin (1878-1953) Premier of the USSR from 1941 to 1953, but secured power in 1922 by succeeding Vladimir Lenin and exiling and assassinating Leon Trotsky. Led the USSR through WWII, and worked closely with FDR and Winston Churchill during the conflict. Head of delegations during the Yalta and Potsdam… View Article