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H-R Diagram December 3, 2010 Page 90 Hertzsprung-Russel (H-R) Diagram.

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Presentation on theme: "H-R Diagram December 3, 2010 Page 90 Hertzsprung-Russel (H-R) Diagram."— Presentation transcript:

1 H-R Diagram December 3, 2010 Page 90 Hertzsprung-Russel (H-R) Diagram

2 Characteristics of Stars Add “Characteristics of Stars” to page 91 in comp book Each group member will read a section on pages of Gateways and will become the expert on that category of the HR Diagram ◦ Red – Size ◦ Yellow -Color and Temperature ◦ Green – Brightness ◦ Blue – H-R Diagram Experts will share out with their group and each member will fill in their graphic organizer

3 Today’s Schedule December 6, 2010 Agenda: 1.Update your HR Diagram 2.HR Diagram Reading Jigsaw Homework: H-R Diagram Assessment Essential Questions: What can the element composition of a star tell us about the star? How can you organize stars? Which type of star is our sun? Announcements: Midterm Exam – December 15 Comp Book Test – December 16

4 Where in the Universe Are You? Add “Where in the Universe Are You?” to page 92 in your comp book and table of contents. Provide your location for each category on your paper. Where in the Universe Are You? Add “Where in the Universe Are You?” to page 92 in your comp book and table of contents. Provide your location for each category on your paper. Your Name: Classroom #: School Name: School Address: City: County: State: Country: Continent: Hemisphere: Planet: Star System: Galaxy: Galaxy Cluster:

5 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: School Address: City: County: State: Country: Continent: Hemisphere: Planet: Star System: Galaxy: Galaxy Cluster:

6 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: City: County: State: Country: Continent: Hemisphere: Planet: Star System: Galaxy: Galaxy Cluster:

7 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: 2610 West 10 th Street City: County: State: Country: Continent: Hemisphere: Planet: Star System: Galaxy: Galaxy Cluster:

8 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: 2610 West 10 th Street City: Austin County: State: Country: Continent: Hemisphere: Planet: Star System: Galaxy: Galaxy Cluster:

9 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: 2610 West 10 th Street City: Austin County: Travis State: Country: Continent: Hemisphere: Planet: Star System: Galaxy: Galaxy Cluster:

10 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: 2610 West 10 th Street City: Austin County: Travis State: Texas Country: Continent: Hemisphere: Planet: Star System: Galaxy: Galaxy Cluster:

11 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: 2610 West 10 th Street City: Austin County: Travis State: Texas Country: USA Continent: Hemisphere: Planet: Star System: Galaxy: Galaxy Cluster:

12 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: 2610 West 10 th Street City: Austin County: Travis State: Texas Country: USA Continent: North America Hemisphere: Planet: Star System: Galaxy: Galaxy Cluster:

13 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: 2610 West 10 th Street City: Austin County: Travis State: Texas Country: USA Continent: North America Hemisphere: Northern Planet: Star System: Galaxy: Galaxy Cluster:

14 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: 2610 West 10 th Street City: Austin County: Travis State: Texas Country: USA Continent: North America Hemisphere: Northern Planet: Earth Star System: Galaxy: Galaxy Cluster:

15 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: 2610 West 10 th Street City: Austin County: Travis State: Texas Country: USA Continent: North America Hemisphere: Northern Planet: Earth Star System: Solar System Galaxy: Galaxy Cluster:

16 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: 2610 West 10 th Street City: Austin County: Travis State: Texas Country: USA Continent: North America Hemisphere: Northern Planet: Earth Star System: Solar System Galaxy: Milky Way Galaxy Cluster:

17 Where in the Universe Are You? Where in the Universe Are You? Your Name: Classroom #: 503 School Name: O. Henry School Address: 2610 West 10 th Street City: Austin County: Travis State: Texas Country: USA Continent: North America Hemisphere: Northern Planet: Earth Star System: Solar System Galaxy: Milky Way Galaxy Cluster: Local Group

18 Today’s Schedule December 7, 2010 Agenda: 1.Where in the Universe Are You? 2.Relative Size of Stars Clip 3.HR Diagram Questions Evolution of Stars p Glencoe 5.Evolution of Stars Graphic Org 6.Brain Pop : Life Cycle of Stars Homework: 3 rd 6 Weeks Test Review Sheet (due NEXT Wednesday, December 15) Essential Questions: How can you describe your position in the universe? How does the size of a star determine what it will become? Which type of star is our sun? What is the name of our star system? Announcements: Midterm Exam – December 15 Comp Book Test – December 16

19 The Relative Size of Stars 7cVzkupot8 7cVzkupot8

20 The Hertsprung-Russell Diagram Put your name (first and last) and period number on the top of your paper. You will be turning this in for a daily grade Read the background information on the H-R Diagram on the front of the paper Circle the correct answer for questions 1-16 about the H-R Diagram independently (on your own). Use the H-R Diagrams on the page to assist you

21 Evolution of Stars Read pages in the red Glencoe textbook with your partner. Take turns reading each paragraph aloud with your partner. Raise your hands when your pair has finished reading and you will receive your graphic organizer. Add “Evolution of Stars Graphic Organizer” to page 93 in your comp book and table of contents. Color, add definitions, and label our Sun on the graphic organizer with your partner Our Sun started as a low mass star. It is now a main sequence star. It is yellow in color.

22 Brain Pop – Life Cycle of Stars What do Tim and Moby have to say about stars? ecycleofstars/preview.weml ecycleofstars/preview.weml

23 Update your table of contents 11/29 Electromagnetic Waves p.82 11/30 Electromagnetic Waves p.83 11/30 Two Types of Waves p /1 Periodic Table Review p.85 12/1 Astronomy Unit Cover Page p.86 12/1 Element Lights p.87 12/1 Star Life Cycle p.88 12/3 Where Do Elements Come From? p.89 12/3 Hertsprung-Russell Diagram p.90 12/6 Characteristics of Stars p /7 Where in the Universe Are You? p.92 12/7 Life Cycle of a Star p. 93

24 Origin of the Universe Begin reading “Origin of the Universe” on page 722 in the red Glencoe textbook. Share your book with your partner. Be ready to answer the following discussion questions: ◦ 1. Why do scientists disagree with the steady state theory? ◦ 2. What does the oscillating theory propose? ◦ 3. Which theory is accepted today?

25 Today’s Schedule December 8-9, 2010 Agenda: 1.Papers returned 2.Origin of the Universe Reading 3.Create a Spiral Galaxy 4.Card Sort – Shapes of Galaxies 5.Monster of the Milky Way 6.Exit Slip Homework: 3 rd 6 Weeks Test Review Sheet (due NEXT Wednesday, December 15) Essential Questions: Which type of galaxy is the Milky Way and what does it look like? How do astronomers classify galaxies? Announcements: Midterm Exam – December 15 Comp Book Test – December 16

26 Creating a Spiral Galaxy p.94 The Milky Way is a Spiral Galaxy Today you will create a model of a spiral galaxy using sand Record a picture of your model in your composition book on page 94 and add “Creating a Spiral Galaxy” to your table of contents Leave the bottom half of the page for notes on the Milky Way

27 Creating a Spiral Galaxy p. 94 Spiral galaxies are known for their pinwheel shape In your model, EVERY GRAIN OF SAND IS A STAR! Our star is the Sun, and planets in the Solar System revolve around the Sun Astronomers believe there are hundreds of billions of galaxies in our universe but the exact number is not known. There are about 10,000 galaxies visible from the image of Hubble Deep Field. There are approximately million stars in our Milky Way Galaxy. At most 8,479 are visible from Earth.

28 Card Sort: Shapes of Galaxies A spiral galaxy is just one type of galaxy. Astronomers classify galaxies by their shape, and that is your job today. Your group will have 5 minutes to categorize the 9 pictures of galaxies by shape Be prepared to explain why your group organized the galaxies the way you did.

29 Card Sort: Shapes of Galaxies p.95 Astronomers classify galaxies by their three shapes: ◦ Spiral – pinwheel shape ◦ Elliptical – oval shape ◦ Irregular – no definite shape Classify your cards again now that you know the 3 types of galaxies Glue your organized galaxies to p.95 of your comp book. Label and describe the galaxy types. Add “Shapes of Galaxies” to your table of contents.

30 PBS NOVA: Monster of the Milky Way program.html program.html

31 Exit Slip – Answer with complete sentences (except for #2 of course) 1. Which kind of galaxy is the Milky Way? 2. Draw the shape of the Milky Way galaxy. Label it. 3. What did each grain of sand in our galaxy model represent? 4. Which star is the closest star to Earth? 5. What are the three types of galaxies?

32 12/10 Do First – p.96 What is a light year? Why are light years used in astronomy? Copy the questions above into your comp book on page 96. Answer the questions using complete sentences. Add the title “What is a Light Year?” in your table of contents.

33 Today’s Schedule December 10, 2010 Agenda: 1.Do First: What is a light year? 2.Light Years vs. Student Minutes 3.Revise Your Ideas Homework: 3 rd 6 Weeks Test Review Sheet (due NEXT Wednesday, December 15) Essential Questions: What does a light year measure, and why do we call it that? Why are light years used in astronomy? Announcements: Midterm Exam – December 15 Comp Book Test – December 16

34 Light Years vs. Student Minutes The distance that light travels in a year is a light year. A light year is a DISTANCE! You will measure how far you can travel in 60 seconds moving heel to toe. You will define this distance as a “student minute” How many student minutes would it take you talk walk from O. Henry to places like Zilker Park, 7-11, the Texas Capitol Building? Light years are useful because they measure very large distances. Are student minutes a useful measurement for large distances?

35 Revise Your Ideas – p.96 What is a light year? Why are light years used in astronomy? Using what you learned today in our investigation, revise your answers to the Do First questions.


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