Purpose: To understand the life cycle of a star. Background: Stars ... F. Read the page on the End of a Star. 7. Open the Carbon Burning Process inter...
The Life Cycle of a Star A gas cloud, if big enough, starts to shrink. The density and temperature increase so nuclear fusion can start. This is when Hydrogen is
All stars start as a . A. is a large cloud of gas and dust. Gravity can pull some of the gas and dust in a nebula together. The contracting cloud is then called a ______. A protostar is the earliest stage of a star's life. A star is born when the gas
Name_____ Biology I --- September 2011 HALF-LIFE WORKSHEET 1. What is radioactivity? 2. What is half-life? 3
Product Life Cycle Management. 6. URENIO - Urban and Regional Innovation Research Unit http://www.urenio.org ways of how the product will become handy and useful. So in this way a company will know before its product is introduced to a market what to
Star Carol 33 F E Keep a finger on the ties so they survive the pedal lifts-Small note may be added by small hand ( ) ( ) Small hand omit the parentheses notes and
(Para sa pagsulat ng mga magulang/tagapag-alaga) ... Petsa ng Pagsulat: Taon ... anong uri ang nararapat pag-aralan at mga karanasang kakailanganin
2 IHS Values 3 Letter From the Principal 4 General Information: Attendance, Detentions, Work Habits 5 Involvement & Community Service 6
(Representative of Wyoming School Boards Association, November 2014-November 2018, completing term of Kevin Christopherson)
Livingston High School Practice Schedule Monday, August 24th through Sunday, August 30th, 2015 M 8‐24 TURF 8 AM‐11 AM FOOTBALL
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The Livingston High School Marching Lancer Band has been invited to ... perform (and the hockey game!) for only $42.00 ($45 face value plus fees)
1 High School Students’ Rights What Every Student Should Know tudents today are aware of many social issues that affect them, their schools and society in
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Directions: Place the images in the correct order from the birth of a star to its death. Briefly describe what stage in the lifecycle of a star is represented in each image. 1. = C - Protostar - A star that has not yet reached the fusion stage. It gr
North Hills High School Student Handbook & Guide For Parents 2017-2018
fad in the 1950's. The first official 'droodles' were created by Roger Price, an American comedy writer, during this time
Major Equipment Life-cycle Cost Analysis. Douglas D. Gransberg, Principal Investigator Institute for Transportation Iowa State University. April 2015
ABSTRACT. Since the discovery of Trypanosoma cruzi as the parasite that causes. Chagas disease, nearly a century ago, the details of the organism's life cycle have fascinated scientists. T. cruzi is a single-celled eukaryote with a complex life cycle
3-2 Fifth International Conference on Process Plant Reliability Life Cycle Cost Tutorial H. Paul Barringer, P.E., Barringer & Associates, Inc., P. O. Box 3985, Humble
Adelanto High School School Accountability Report Card Reported Using Data from the 2014-15 School Year ... Student Enrollment by Grade Level (School Year 2014-15)
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7 defined outputs and well-defined interfaces to the rest of the development team. This is provided by the SDLC. Systems also have a long life
If looking for the book The Life Cycle of Psychological Ideas: Understanding Prominence and the Dynamics of Intellectual Change (Path in Psychology) in pdf form, then
Aspire: Star Life Cycle Purpose: To understand the life cycle of a star Background: Stars begin their life as gas clouds and end as gas clouds. Along the way they fuse hydrogen to form heavier elements. Materials: http://aspire.cosmic-ray.org/labs/star_life/starlife_main.html Procedure A. Read: Protostars and the Nebla B. Complete the “beginning of their life cycles” interactive lab 1. Choose the smallest star first
2. Push the green play arrow
3. Complete the following chart for each of the four sizes of star. (10 Points) Reaches Main How Long in Main Sequence (Y or N) Sequence Small Low Medium Massive C. 4. 5. 6. D. E. F. 7. 8.
Read the rest of the page Write down the hypothesis you chose. Write down your 1-3 sentence of why you think this is the correct hypothesis. Determine if you were correct. Read the page on the Equilibrium Cycle – You have already completed this activity, so there is no need to do it at this time. Read the page on the beginning of the End Read the page on the End of a Star Open the Carbon Burning Process interactive Lab Click on the button
9. Choose the correct choices in the box
10. Once you have chosen a set of values, click on the check answer box. When you have all the answers correct, please record them below. (4 Points) Pressure Gravity Temperature Up Constant Down 11. Repeat for Step 2. (4 Points) Pressure Gravity Temperature Up Constant Down 12. Now as the star runs out of fuel in step 3. (4 Points) Pressure Gravity Temperature Up Constant Down 13. In step four the core contracts. (4 Points) Pressure Gravity Temperature Up Constant Down 14. Finally what happens in the supernova. (4 Points) Pressure Gravity Temperature Up Constant Down G. Complete the page 15. Open the end of their life interactive lab. 16. Observe the end of the life cycle of each of the different size of stars. 17. Complete the following chart for each of the four sizes of stars. (10 Points) Final State Forms Red Giant Nebula Supernova Small Low Medium Massive H. Read the page on HR Diagrams
18. Click on the image of the HR diagram
19. Complete the table for the correct temperature and brightness of each star. (10 Points) Temperature Brightness Betelgeuse Alpha Centauri B Our Sun Vega Sirius B I. Click on the image to start the next activity.
20. Choose a hypothesis and then continue. 21. Where would you expect to find other main sequence stars of the same size on this diagram? (2 Points) 22. Which description of the relationship is correct? (2 Points) 23. Write down the hypothesis that is correct. (2 Points) 24. Determine if the following are true or false. (6 Points) a. Different stars have different masses. b. Stars with a mass of about 10 Msun will have almost all of the same characteristics as other stars near 10 Msun. c. The most massive stars shine very dimly in comparison with other smaller stars. 25. Look over the different statements. You will need to put some answers in the boxes. J. Finally turn to the last page. 26. Click on the image to launch the animation.
27. Click on the last link to answer the following quiz questions. (28 Points)
a. b. c. d. e. f. g. h. i.
Which of the stars is the oldest in terms of its life cycle? Which of the stars is (are) burning hydrogen as a fuel? Which of the stars is (are) burning helium as a fuel? Which of the stars is closest to death? Which of the stars has the highest luminosity? Which causes the star with the highest luminosity to be the brightest? Which of the stars has the lowest luminosity? The star with the lowest luminosity is dimmest because of its surface temperature or size? Which of the stars has the highest surface temperature?
j. k. l. m. n.
Main sequence stars become red giants when they run out of what fuel? Will the three main sequence stars ever become white dwarfs? Was Star E (Sirius B) ever a main sequence star? Predict what phase Vega will enter next: Predict what phase Betelgeuse will enter next:
Conclusion: Take a moment to summarize the stages in the life cycle of a star that is about the mass of our Sun. (10 Points)
From http://cms.gavirtualschool.org/Shared/Science/Astronomy13/Stars/index.html
