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Tues – Thurs May 8-10 1.SR’s = FINAL parts 1 & 2 2.Jr’s = STAR parts 1 & 2 3.HW: Guided notes from chapter 30 in your textbook. NOTE TO SR’S: Part 1 =

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Presentation on theme: "Tues – Thurs May 8-10 1.SR’s = FINAL parts 1 & 2 2.Jr’s = STAR parts 1 & 2 3.HW: Guided notes from chapter 30 in your textbook. NOTE TO SR’S: Part 1 ="— Presentation transcript:

1 Tues – Thurs May SR’s = FINAL parts 1 & 2 2.Jr’s = STAR parts 1 & 2 3.HW: Guided notes from chapter 30 in your textbook. NOTE TO SR’S: Part 1 = Vect, Sped, Kine, Grph, Proj, Frcs, WEnP Part 2 = ImMo, Std3, Wave, Soun, Std6, Optc, Elec, Magn, UGrav Great America: Wednesday or Thursday lunchtime meeting next week

2 Friday May 11 th (AP Hist) 1.Notebooks due in boxes in back of room (take out all nuclear stuff!) 2.Lecture Notes & “Guided Reading” Questions 3.Complete “Nuclear Reactions Worksheet” (½ -ditto on front of Concepts) 4.HW due Monday: Concepts Worksheet (ch 30 & 31) 5.(hand out Monday’s HW too) Great America: Wednesday or Thursday lunchtime meeting next week

3 Monday May 14 1.Finish Lecture Notes / Turn in HW 2.Start Fat Man & Little Boy – DESKS COMPLETELY CLEARED OFF! I want you watching, not doing HW for some class! 3.HW due Tuesday: Nuclear packet “Checkpoints” after each section of reading… pages 242, 245, 248, 250, 252, 254, 258 (YES! These ones too!), and 259 Great America: you must come to EITHER meeting… Wednesday or Thursday lunchtime meeting this week

4 Tuesday May 15 (AP Gov) 1.Fat Man & Little Boy 2.Asst: at the END of the Nuclear Reading Packet (A) Vocab #1, 4  9, 11, 12 (write the vocab word that matches those definitions) (B) “Know facts, etc” (IN THIS ORDER!)... Chem stuff = 4, 6, 8, 10, 11, 23  stuff = 5,9,12,15,14 ½-life = 24 Fission/fusion = 2,7,16,19,20 COLLECTED TOMORROW: ALL FOUR NUCLEAR ASSTS TO DATE! Great America meeting either: Wednesday or Thursday lunchtime meeting this week

5 I will check each Monday you have all 5 schedules from the prior week… Mon May 14 1.Start “Fat Man & Little Boy” – DESKS COMPLETELY CLEARED OFF! I want you watching, not doing HW for some class! 2.HW due Tuesday: Nuclear reading packet “Checkpoints” after each section of reading… pages 242, 245, 248, 250, 252, 254, 258 (YES! These ones too!), and 259 Tues May 15 1.Continue “Fat Man & Little Boy” 2.Asst: at the END of the Nuclear Reading Packet VOCAB & KNOW FACTS – only selected problems, as listed in s Wed May 16 1.Finish “Fat Man & Little Boy” 2.Finish lecture notes, turn in Guided Notes 3.Go over concepts & checkpoints as time allows; turn in 4.Asst: see handouts … Nuclear Power Plants questions & notes (each section labeled) as described on worksheet Great America: TODAY or TOMORROW lunchtime meeting this week

6 A reactor accident occurred on the USSR ballistic missile submarine K-19 while it was on exercises in the North Atlantic. The K-19 (hull number 901) was the lead ship of the Project 958 (Hotel I) class, launched 8 April 1959 and commissioned 12 November 1960; it carried three R-13 SLBMs. On 4 July 1961 a leak developed at an inaccessible part of the primary cooling circuit, in the nuclear reactor, causing a sudden pressure drop and triggering emergency systems. The crew improvised a system to supply coolant, involving prolonged exposure to radioactive steam and other gases in the reactor compartment, the crew sent teams of two in intervals to set up a new coolant system while facing radioactive material. They wore nothing but chemical suits. Eight crew members sustained doses of 5,000 to 6,000 rem; the rest of the crew sustained significant doses as well (at least 100 rem). A diesel submarine evacuated the crew, and the K-19 was towed back to the Kola Peninsula. For the eight crewmembers with fatal doses, time from exposure to death in days was 6, 6, 6, 8, 9, 11, 16, and 19. The remaining crew were hospitalized with radiation sickness until September. Replacement of the reactor compartment was completed from 1962 to 1964, and the two damaged reactors were dumped in Abrosimova Bay in the Kara Sea. Consequences: 8 fatalities, at least 31 injuries. The movie K-19 The widowmaker is based on the nuclear reactor incident (Harrison ford and Liam Neeson)

7 Physics students, Following our watching of "Fat Man and Little Boy" this week, you might be interested in... The Green Glass Sea by Ellen Klages Two girls spend a year in Los Alamos as their parents work on the secret "gadget" that will end World War II. Dewey is a mechanically minded 10-year-old who gets along fine with the scientists at the site, but is teased by girls her own age. Clear prose brings readers right into the unusual atmosphere of the secretive scientific community, seen through the eyes of the kids and their families. Those who already know about Los Alamos's historical significance will experience the story in a different, but powerful, way. Hiroshima by John Hersey When the atomic bomb was dropped on Hiroshima, few could have anticipated its potential for devastation. Pulitzer prize-winning author John Hersey recorded the stories of Hiroshima residents shortly after the explosion and, in 1946, Hiroshima was published, giving the world first-hand accounts from people who had survived it. The words of Miss Sasaki, Dr. Fujii, Mrs. Nakamara, Father Kleinsorg, Dr. Sasaki, and the Reverend Tanimoto gave a face to the statistics that saturated the media and solicited an overwhelming public response. Whether you believe the bomb made the difference in the war or that it should never have been dropped, "Hiroshima" is a must read for all of us who live in the shadow of armed conflict.

8 Little Boy was the codename of the atomic bomb that was dropped on Hiroshima on August 6, 1945 by the B-29 Superfortress Enola Gay, piloted by Colonel Paul Tibbets of the United States Army Air Forces It was the first atomic bomb ever used as a weapon, and was dropped three days before the "Fat Man" bomb was used against Nagasaki. The weapon was developed by the Manhattan Project during World War II. It derived its explosive power from the nuclear fission of uranium-235. The Hiroshima bombing was the second artificial nuclear explosion in history (the first was the "Trinity" test), and it was the first uranium-based detonation. Approximately 600 milligrams of mass were converted into energy. It exploded with a destructive power equivalent to between 13 and 18 kilotons of TNT (estimates vary) and killed approximately 140,000 people. Its design was never tested at the Trinity test site, unlike the more complex plutonium bomb (Fat Man), which was tested. The available supply of enriched uranium was very small at that time, and it was felt that the simple design of a uranium "gun" type bomb was so sure to work that there was no need to test it. Fat Man is the codename for the atomic bomb that was detonated over Nagasaki, Japan, by the United States on August 9, 1945, at 11:02 am (JSP). It was the second of the only two nuclear weapons to be used in warfare and was the third man-made nuclear explosion. The name also refers more generically to the early nuclear weapon designs of U.S. weapons based on the "Fat Man" model. It was an implosion-type weapon with a plutonium core, similar to the Trinity device tested only a month earlier in New Mexico.

9 Did you know: Oppenheimer had a mistress whom he had to give up for the Manhattan project. She then killed herself. Oppenheimer’s wife knew, but thought he “deserved the best”. General Groves was unpopular amongst the military, because the Manhattan project was costing so much, and they were taking the money from other areas of the war. General Groves & the scientists were in a constant battle about “national security” vs “academic freedom”. When the US forces reached Berlin, they found out they had no bomb, nor any real hope of ever getting one. General Groves kept this information from the scientists, many of whom were Jewish. Whether we used it on the Germans or someone else, he wanted to have “the biggest stick in the neighborhood”. The character Michael is based on a composite of Louis Slotin & Harry Daghlian. As the project neared completion, the scientists started wondering about the ethics of what they were doing. Many of them signed a letter to the president to NOT deploy the bomb, calling it atrocious. While Oppenheimer had his doubts about the morality of it, he knew his place in history depended on it being dropped, so argued for it to the president – with a very mixed heart. Oppenheimer refused to work on the H bomb, and his security clearance got revoked. (Edward Teller is the father of the H bomb, and opened the 2 nd National Lab, LLNL, in Livermore – where their now trying to get fusion power plants.) The resonant words of the Enola Gay's copilot, surveying the destruction just after the bomb hit Hiroshima, were: "What have we done?" See more about Fat Man & Little Boy on next slide.

10 Korea test-fires missile, slams Security Council, May 29, 2009, by SIYOUNG LEE North Korea defiantly test-fired another short-range missile Friday and warned it would act in "self-defense" if provoked by the U.N. Security Council, which is considering tough sanctions against the communist regime for conducting a nuclear test. It is the sixth short-range missile North Korea has test-fired since Monday's nuclear test. The missile is a new type of ground-to-air missile estimated to have a range of up to 160 miles. The North's Foreign Ministry said in a statement carried by the official Korean Central News Agency, "If the U.N. Security Council makes a further provocation, it will be inevitable for us to take further self-defense measures." The North has been strident since its nuclear test - which it has also called a self-defensive measure. It did not specify what further action it was considering in response to U.N. resolutions, or what it would consider a provocation. North Korea also accused the Security Council of hypocrisy. "The nuclear test conducted in our nation this time is the Earth's 2,054 th nuclear test. The five permanent members of the U.N. Security Council have conducted 99.99% of the total nuclear tests."

11 Fission versus fusion

12 What is the name of that isotope? How many protons does it have? How many electrons does it have? How many neutrons does it have?

13 Nuclear Medicine

14 2 more Essay Questions …(10 complete sentences or more - each) See “Nuclear topics you should know” on webpage for full verbal discussion of these!!! Sub-subatomic particles (“elementary” or “fundamental” particles) more to know too! –Quarks (u,d,t,b,c,s – not smaller than an e - ) –Leptons (6 also, includes electrons, smallest) –Baryons (= 3 qks together, include p + and n 0 ) –Mesons (= qk + anti-qk, “middleweight”) –(Mediators, if time) –Anti-matter (same, but …; YES it exists!) E=mc 2 & Annihilation –See anti-matter above

15

16 Turn in Guided Notes Go over Concepts & Turn in Go over Checkpoints & turn in Go over Vocab & Know Facts & Turn in

17 Thurs May 17 (get Friday too) 1.Notes/discussions as necessary 2.Briefly discuss power plants - pros & cons 3.Continue going over HW from past week (vocab, know facts, concepts, checkpoints) – may need to check yourself online this weekend 4.Nuclear Energy clips from CD if time (notes on Nuclear Medicine & Nuclear Subs) 5.HW: Either from the webpage, or from the I sent 2 days ago – PRINT OUT “Nuclear Topics you should know, and highlight the key words that you will include in your essay answers Monday!) – Fill-in worksheet skipped due to lack of time. Great America: lunchtime meeting Be in student parking lot NO LATER than 7:30 AM. Use checklist to make sure you don’t forget anything. Parent Drivers – please park on the street (Brighton).

18 Discuss nuclear power … **Study: $45 trillion needed to combat global warming By Joseph Coleman, Jun 6, 2008, TOKYO (AP) – “The world needs to invest $45 trillion in energy in coming decades [and] build some 1,400 nuclear power plants [total]...the world would have to construct 32 new nuclear power plants each year.” Chernobyl 3-mile island Japan’s Fukishima plant Is nuclear power safe?

19 Nuclear Quiz Monday! ESSAYS= (Note – an essay is FULL, COMPLETE sentences of 10 or more forming a paragraph or two.) Uses of nuclear / radiation in medicine Anti-matter, Annihilation & E = mc 2 Fundamental or elementary particles (quarks, leptons, etc) Radioactive dating (or carbon-14 dating, if you prefer) 3-Mile Island & Chernobyl & Japan & that nuclear power is safe in USA Finish going over concepts Checkpoints from reading packet Vocab & Know Facts

20 Friday May 18 1.Great America (packet due at end of day) OR movie on RollerCoasters & Physics if not going (notes required at end of period) 2.HW : STUDY ( Either from the webpage, or from the I sent 2 days ago – PRINT OUT “Nuclear Topics you should know” and highlight the key words that you will include in your essay answers Monday!) Nuclear Quiz Monday! ESSAYS= (Note – an essay is FULL, COMPLETE sentences of 10 or more forming a paragraph or two.) Uses of nuclear / radiation in medicine Anti-matter, Annihilation & E = mc 2 Fundamental or elementary particles (quarks, leptons, etc) Radioactive dating (or carbon-14 dating, if you prefer) 3-Mile Island & Chernobyl & Japan & that nuclear power is safe in USA

21 Monday May 21 1.Turn in everything 1.Nuke reading packets 2.½ sheet 3.Nuke checkpoints 4.Nuke end-of-packet work (vocab, etc) 5.Nuke power plants stuff 6.GA data, if you kept it Friday 2.Nuclear Quiz (“Nuke topics to know” Study Guide) 3.Asst: Do ALL checkpoints from new reading packet (Astronomy) in COMPLETE sentences. 4.STAR GAZING tonight 8:30-10 behind band room (bring a camera!)

22 Tuesday May 22 1.Bill Nye: “The Moon” – phases, tides, eclipses (good notes) 2.Start ppt notes – “The 11 planets + …”ppt notes 3.Asst: Univ Grav concepts – see handout (Yes, you may write on that! It is due Thursday with the fill-in worksheet)

23 —SPRING HIGH TIDE (new/full moon) —Normal High Tide —NEAP high tide (qtr moons) —Level of water if there was no moon/tides —NEAP low tide (qtr moons) —Normal Low Tide —SPRING LOW TIDE (new/full moon) Your beach house: Your fire on the beach where you’re camping: The ocean Tide pools you want to look in for neat critters:

24 Wed May 23rd 1.Finish ppt notes – “The 11 planets + …”ppt notes 2.Start: “Savage Sun” (Sol) NOTES required 3.Asst: (a) Finish Concepts, if haven’t. (b) Univ Grav fill-in worksheet “Study Guide” (yes, you may write on this! Due tomorrow, with Concepts) **the next solar maximum is predicted to occur in late 2013 or early 2014, not 2012.

25 Thursday May 24th 1.Finish Savage Sun 2.Physics sing-along: They Might be Giants “The Sun is….”Physics sing-alongThey Might be Giants 3.Bill Nye “Seasons” – just the important parts 4.Go over: –Univ Grav concepts & fill-in worksheet 5.Asst: a)Univ Grav Evaluation worksheets (due tomorrow) b)BRING IN TEXTBOOKS! The sun is a mass of incandescent gas, a gigantic nuclear furnace, Where hydrogen is fused into helium, at a temperature of millions of degrees!

26 Savage Sun the next solar maximum is predicted to occur in late 2013 or early 2014, not Responsible for all life on earth So hot hydrogen is plasma 4 hydrogens “fuse” to make helium amount of hydrogen vs helium tells us age Sol about 5 billion years old, with 3-5 billion more to go before its fusion overtakes its gravity and it goes “red giant”, consumes the inner planets and we all die Parts of sun: core (15,000,000° C); corona & photosphere (6,000°C); sunspots; solar prominences vs flares; Magnetic field strength & 11-year cycle Solar wind (what this does to earth/humans; Auroras) Comets get tails as they come closer & burn off Solar weather & effect on earth’s communications Making fusion on earth Death of our star/system

27 Earth at perigee (closest, moving fastest) Earth at apogee (farthest, moving slowest)

28 MERCURY VENUS EARTH MARS CERES JUPITER SATURN URANUS NEPTUNE PLUTOERIS Mass (x kg) Diameter (km) ,10412, ,984 (biggest!) 120,53651,11849, ? Density (g/cm 3 ) (it floats!) Gravity (m/s 2 ) (strongest!) ? Rotational Period (hours) (59 days) (-243 days) 23.9 (1 day) 24.6 (1 day) 9.9 (< ½ day) 10.7 (½ day) (-0.7 day) 16.1 (0.7 day) (-6 days) Orbital Period (days) 88.0 (3 months) (7 months) (1 year) (2 years) (4.5 years) 4331 (12 years) 10,747 (30 years) 30,589 (84 years) 59,800 (164 years) 90,588 (250 years) 203,600 (560 years) Orbital Inclination (not in the same plane as Earth-Sun) Orbital Eccentricity Orbital Eccentricity (how much like a circle the orbit is) (actually travels inside N’s orbit!) 0441 Axial Tilt (seasons) 0.01   23.5  25.2  3.0  3.1  26.7  97.8  28.3   ? Number of Moons Ring System?No Yes No Magnetic Field? YesNoYesNo Yes ?? All solar “planets” both rotate (on axis) & revolve (around orbit) COUNTER-CLOCKWISE... with a few notable exceptions...

29 Friday 5/25 – rally!!! 1.Last Bill Nye ever: “Outer Space” Notes parts: 1) moon 2) tides 3) solar system & planets 4) savage sun 5) seasons 6) “Outer Space” …more next week 2.Collect & continue to go over HW Fill-in & Evaluation 3.Asst: Astronomy work packet – all pages 1-4, including ones on phases of moon, eclipses, and tides, except … –NOTE the RIGHT-hand side of page 2 of work packet, that has the 2 charts to fill out – is NOT assigned. We will return the packet to you late next week to complete those charts. BRING IN TEXTBOOKS!! a)

30 Tuesday 5/29 1.Go over HW Concepts (hand back; go over #38 on) Fill-In & Evaluation worksheets ??? Reading Packet Checkpoints Astro packet & Spectroscopy (more on: Arctic circle, equinox, solstices, time zones, seasons/tilt/ellipses ??) 2.Asst: problems at end of Astro reading packet (due Wednesday) 1.Vocab Know Facts Understand Concepts 16-18, 20, 21, 23-25, 28, 30 BRING IN TEXTBOOKS! Meteoroid – rock in space before… Meteor – fiery streak in atmosph. Meteorite – if piece lands in ground its called this UNIT TEST & LAST NB CHECK = next Mon ESSAYS (10 complete sentences each) = phases, spectroscopy, seasons, …

31 Wednesday May 30 (2 nd – please move desks back) 1.Go over any HW/notes that we haven’t yet End of packet questions Work packet from weekend 2.Discuss Thursday & Friday (tom’s asst) 3.Asst: redo chapter 7 / 8 problems ditto I will be at a meeting tomorrow You will be at the field trip Friday This means you have to me if you get stuck!!!! (These problems are on the test!) 4.BRING IN TEXTBOOKS! UNIT TEST & LAST NB CHECK = next Mon ESSAYS (10 complete sentences each) = phases, spectroscopy, seasons, …

32 Thursday May 31 1.Papers back 2.Go over “chapter 7 / 8 problems ditto” 3.Explain asst... 4.Watch Apollo 13 5.Asst: right-hand side of page 2 of astro work packet 6.BRING IN TEXTBOOKS! Friday 1. LAST DAY to turn in books! 2. Senior Picnic / meteors movie 3. STUDY UNIT TEST & LAST NB CHECK = Mon ESSAYS (10 complete sentences each) = phases, spectroscopy, seasons, …

33 Friday June 1st 1.LAST DAY to turn in books! 2.Senior Picnic OR “Meteors” movie 3.STUDY FOR LAST TEST (visit webpage for keys to all assts & the study guide!) Monday June 4 th -Thursday June 7 th 1.Turn in work packet before test 2.FINAL UNIT TEST – ASTRONOMY 3.FINAL NOTEBOOK CHECK (Tues/Wed) 4.Finish “Apollo 13”

34 Ugrav/Astro assts in current section 1.Book notes + 8 planet problems + 8 plant problems 2.Problems 1-21 time “A” 3.Astro reading “Checkpoints” (3,4,4,3,4,4) 4.UGrav Concepts worksheet 5.UGrav Fill-in “Study Guide” 6.Ugrav Evaluation sheet (mc, short answr, prbs) 7.Astro 4-page work packet 8.Astro Vocab (1-14) + Know Facts (1-30) 9.Problems 1-21 Redo (time “B”) 10.Jrs: Meteor movie notes 11.5 PART LECTURE & MOVIE NOTES on Bill Nye “Moon”, etc

35 Relativity: We learned earlier that Newton’s 3 Laws do NOT work for things that are REALLY REALLY fast & REALLY REALLY small. Really really small is the quantum world of inside the atom – elementary particles. Quarks just don’t like to follow rules! Special Relativity is about things going really really fast (# x 10 7 m/s). Because they don’t follow N’s Laws either, REALLY whacky things can happen... time slows down, mass gets bigger, and length gets shorter. General Relativity is another thing Einstein came up with. It covers the “curvature of Space-Time” (which you should have read about in your Physics book) and talks about how light can bend around and even into BIG MASSIVE things like Black Holes.


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