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WE ARE ALL STARS
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9-11 ES1B The Big Bang theory of the origin of the universe is based on evidence (e.g., red shift) that all galaxies are rushing apart from one another. As space expanded and matter began to cool, gravitational attraction pulled clumps of matter together, forming the stars and galaxies, clouds of gas and dust, and planetary systems that we see today. If we were to run time backwards, the universe gets constantly smaller, shrinking to almost zero size 13.7 billion years ago. Cite evidence that supports the “Big Bang theory” (e.g., red shift of galaxies or 3K background radiation).
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9-12 INQF Commu nicate Science is a human endeavor that involves logical reasoning and creativity and entails the testing, revision, and occasional discarding of theories as new evidence comes to light. Evaluate an investigation to determine if it was a valid means of answering the question, and whether or not the results were reliable. *e Describe the development of a scientific theory that illustrates logical reasoning, creativity, testing, revision, and replacement of prior ideas in light of new evidence.
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9-11 PS1F Gravitation is a universal attractive force by which objects with mass attract one another. The gravitational force between two objects is proportional to their masses and inversely proportional to the square of the distance between the objects. (Newton’s Law of Universal Gravitation) Predict how the gravitational force between two bodies would differ for bodies of different masses or different distances apart.*d Explain how the weight of an object can change while its mass remains constant.
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9-11 PS1H Electricity and magnetism are two aspects of a single electromagnetic force. Moving electric charges produce magnetic forces, and moving magnets produce electric forces. Demonstrate and explain that an electric current flowing in a wire will create a magnetic field around the wire (electromagnetic effect). Demonstrate and explain that moving a magnet near a wire will cause an electric current to flow in the wire (the generator effect).
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WE ARE ALL STARS
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GENERAL ANNOUNCEMENT: GET A NEW WHOT NO bathroom breaks this whole week- (testing) Go now!
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How many H to make He? ?
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EXCESS MASS ENERGY Excess mass is converted to energy- heat and light! X 4= 4.03176 4.03176 >
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HIGHLANDER SHEET 1/5/15 Objective/ SWBAT: Apply how fusion converts matter into energy in the Sun and other stars. Responsibilities: Test corrections, any student who did not achieve the grade they want may DUE THURSDAY! No Exceptions!
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9-11 PS2K WA STATE STANDARD 9-11 PS2K Nuclear reactions convert matter into energy, releasing large amounts of energy compared with chemical reactions. Fusion is the joining of nuclei and is the process that generates energy in the Sun and other stars. Quick Write: Describe how fusion transforms hydrogen into all of the other elements on the periodic table.
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SENSE OF SCALE: Atomic Nuclear reactions power Stars! http://htwins.net/scale2/
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LISTEN AND OBSERVE TO LEARN ABOUT FUSION IN STARS WATCH 35:40- 39:00 http://www.pbs.org/wgbh/nova/space/origins-series- overview.html#origins-back-beginning
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SENSE OF SCALE: Atomic Nuclear reactions power Stars! http://htwins.net/scale2/
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WHOT QUESTION fusion in stars Today’s WHOT question must be about fusion in stars
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WE ARE ALL STARS
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9-11 ES1A Stars have “life cycles.” During most of their “lives”, stars produce heavier elements from lighter elements starting with the fusion of hydrogen to form helium. The heaviest elements are formed when massive stars “die” in massive explosions. Connect the life cycles of stars to the production of elements through the process of nuclear fusion.
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HIGHLANDER SHEET 1/6/15 Objective/ SWBAT: Outline the life cycle of low- and high- mass stars, predict the outcome if the star dies. Responsibilities: Missed tests should be taken by tomorrow. test corrections- DUE THURSDAY! No Exceptions!
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GENERAL ANNOUNCEMENT: NO bathroom breaks this whole week-
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HOW BIG IS THE SUN? (RELATIVELY)
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HTTPS://WWW.YOUTUBE.COM/WATCH?V=HEHEH1BH34Q
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WHAT DO YOU KNOW ABOUT THE LIFE CYCLE OF A STAR?
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TAKE NOTES - YOU WILL NEED THEM FOR THE NEXT STEP https://www.youtube.com/watch?v=mzE7VZMT1z8
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LIFE CYCLE OF STARS
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WHOT QUESTION Today’s WHOT: Predict the fate of a low-mass star- like our Sun.
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WE ARE ALL STARS
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HIGHLANDER SHEET 1/7/15 Objective/ SWBAT: Model the lifecycle of a low and high mass star. Responsibilities: Test retakes, completed poster test corrections- DUE THURSDAY! No Exceptions!
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GENERAL ANNOUNCEMENT: NO bathroom breaks this whole week- go now!
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REWIND… HIGH MASS STAR https://www.youtube.com/watch?v=PM9CQDlQ I0A https://www.youtube.com/watch?v=PM9CQDlQ I0A
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You will work with your table partner Each pair we be assigned a low mass star OR a high mass star. Using pp 232-237 of the text you will create a diagram to highlight the life cycle of your star. Each stage must include at least 2 details about the star in that stage. You may use the class computers for images The poster must use at least 4 colors.
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Scoring Rubric: 4 or more colors (2 pts) Artistic/Organized (2 pts) 2 or more details at each stage (4 pts) Includes the following stages (7 pts) Nebula Protostar Main sequence “Giant” Planetary nebula OR Supernova White dwarf OR neutron star Black dwarf OR Black hole
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With a partner… Create a mini-poster, due at the end of the period. One team makes a low mass star, the other a high mass star. Must use at least 4 colors. May use a computer to help with visuals. Also (ec) use the book pg 232-237 When you finish. Have your team explain their poster, then switch. Repeat, except You will explain the other poster, and they will explain yours. Repeat until your eyes fall out.
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WHOT Q Predict the fate of a high mass star
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HIGHLANDER SHEET 1/8/15 Objective/ SWBAT: Determine the central idea of an article using evidence. Responsibilities: Finish Reading assignment. Grade posters.
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Read Pages 238-39 Write a 1 pg CER.
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1. Claim - What is the article about? Identify the central idea. 2. Evidence - Why do you think its about that? Support the central idea with evidence. 3. Reasoning - What do you think it means? Be sure that your analysis tightly connects evidence to central idea.
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Grading Posters… Use the rubric to grade your team’s opposite poster (if you made a high mass poster, you will grade a low mass poster) After your group’s posters are graded, switch with another group. Each poster needs to have 2 grades on them.
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Scoring Rubric: 4 or more colors (2 pts) Artistic/Organized (2 pts) 2 or more details at each stage (4 pts) Includes the following stages (7 pts) Nebula Protostar Main sequence “Giant” Planetary nebula OR Supernova White dwarf OR neutron star Black dwarf OR Black hole
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WHOT QUESTION Today’s WHOT: Describe how a star begins.
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WE ARE ALL STARS
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GENERAL ANNOUNCEMENT: NO bathroom breaks this whole week- go now!
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HIGHLANDER SHEET 1/8/15 Objective/ SWBAT: How do scientists know how far away stars are? How long until our Sun goes out? Responsibilities: Test retakes, any student who did not achieve the grade they want may due test corrections- DUE THURSDAY! No Exceptions!
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PAGE 500 IN THE TEXT
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VARIABLE STARS CHANGE BRIGHTNESS Types of Variable Stars: Cepheid Pulsating Cataclysmic
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The Sun How long until …
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IMAGE OF STARS
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NATIONAL GEOGRAPHIC: MONSTER BLACK HOLES HTTPS://WWW.YOUTUBE.COM/WATCH?V=JRCFM1GVM88 Supernovae Neutron Stars Black holes
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WE ARE ALL STARS
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GENERAL ANNOUNCEMENT: NO bathroom breaks this whole week- go now!
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