Teaching Modern Physics - QuarkNet - Fermilab

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Conceptual Particle Physics Test – Answer Key Directions: For problems #1-11, choose the best match for each definition. For #12-15, fill in the correct terms for the chart using the choices below. (1 pt. each.) (A) Atomic mass number (B) Atomic number (C) Baryons (D) Elements (E) Gluons (F) Gravitons (G) Hadrons (H) Isotope (I) Leptons (J) Mesons F 12. The force carrier for the gravitational force H 13. An alternate version of an element 159 (K) Nucleon (L) Photons (M) W & Z bosons (N) None of the above A 14. This describes the number of protons and neutrons in the nucleus. D 15. Atoms of the same kind form _____________. M 16. The force carrier for the weak force B 17. This describes the number of protons in the nucleus. E 18. The force carrier for the strong force L 19. The force carrier for the electromagnetic force C 20. This type of particle has three quarks. J 21. This type of particle has two quarks. (1 quark & 1 antiquark) K 22. Proton + Neutron (12) (12) G (13) I (14) C (15) J Matter (14) (15) (13)
16. What are the three particles that make up an atom? (3pts.) Proton Neutron Electron 17. Who discovered the electron? (1 pt.) J. J. Thompson 18. What did Rutherford discover? Explain how he made this discovery. (Explain his lab.) (4pts) He discovered the positive nucleus. He shot alpha particles at the gold nucleus and they came back! 19. What element is produced when a gold nucleus gains a proton? (1 pt.) Hg - Mercury 20. How many protons are there in the nucleus of 82 Sr? How many neutrons? How many electrons are there in the neutral atom? (3 pt.) 38 Protons: 38 Neutrons: 44 Electrons: 38 21. What holds the nucleons in a nucleus together? (1 pt.) Strong force (or gluons) 22. Name the six leptons (not the antileptons). (6 pts.) Electron Muon Tau Electron Neutrino Muon Neutrino Tau Neutrino 23. Name the six quarks (not the antiquarks). (6 pts.) BONUS Top Up Charm Bottom Down Strange Name the two main detectors at Fermilab. DØ CDF Which quark did they discover at Fermilab? Top Who named the quark? Murray Gell-Mann 160
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Materials for Teaching Modern Physi
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Which activities did you use in you
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Materials for Teaching Modern Physi
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QuarkNet is a nationwide program th
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Radioactivity PowerPoint Presentati
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Problems & Worksheets * This activi
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The Cloud Chamber: In the Nobel Pri
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Instructions for teacher to give to
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Teacher’s Key Constant Velocity P
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Sample Problem: Free Fall and Proje
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3. Cindy drops a cherry pit out the
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2. Running at 2 m/s, Chris, the 50-
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3. A 55-kg swimmer is standing on a
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Analysis to prove that momentum was
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Teacher’s Key Circular Motion Pro
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Student Worksheet Constant Accelera
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Teacher’s Key Constant Accelerati
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The Electron 1. What is the value o
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5. A negatively charged oil drop we
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The History of the Electron Workshe
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Student Worksheet Motion of Charged
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Particle Quiz 2 Answer each questio
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. What is the direction of the magn
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High V The Three Experiments in One
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For path B… The cathode ray inter
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In his experiment, Millikan tried t
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Notes on the Electron PowerPoint Pr
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Student Worksheet Index of Refracti
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Teacher’s Key Index of Refraction
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4. A common particle detector techn
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Student Worksheet WARP SPEED Step 1
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Step 1. Select Race for Energy and
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Step 1. Select Law ‘n Order. Step
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Teacher’s Notes The Half-Life of
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a. What do the graphs of the class
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Time (min) 1 2 3 4 5 6 7 8 9 10 11
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1. What is half-life? Half-Life Pra
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Radioactivity The emission of alpha
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Beta Particle • An electron emitt
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Penetrating Power Radioactive Sourc
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. How far does the muon travel, as
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4a. Can a person, in principle, tra
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4. In a high-energy collision betwe
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Modern Physics The Ultraviolet Cata
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By the way, the y-axis of these gra
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5. OK, so that’s real data from r
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. Sketch a graph of this equation:
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4. Calculate the wavelength of the
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5. An air rifle is used to shoot 1-
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4. The work function for potassium
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6. Describe the quantum-mechanical
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Page 127 and 128: 10. Describe how particle physics a
Page 129 and 130: Particle Acceleration (Principles)
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Page 133 and 134: Multistage Accelerators (LINAC) 1 2
Page 135 and 136: Particle Accelerators Why were they
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Page 141 and 142: QUIZ ON PARTICLE ACCELERATORS 1. De
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Page 181 and 182: Standard Model Review - Answer Key
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Page 191 and 192: Newton’s Universal Law of Gravita
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Page 199 and 200: Fermilab’s Accelerators This is a
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Page 205 and 206: A Game for Building a Detector http
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Page 213 and 214: Day 4: 1. Question of the Day: A ha
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Teaching Modern Physics - QuarkNet - Fermilab

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