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8 th Grade Science Do Now Monday, December 3, 2012 On page __, make your weekly Do Now page. Scientists use spectroscopes to separate light into colored.

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Presentation on theme: "8 th Grade Science Do Now Monday, December 3, 2012 On page __, make your weekly Do Now page. Scientists use spectroscopes to separate light into colored."— Presentation transcript:

1 8 th Grade Science Do Now Monday, December 3, 2012 On page __, make your weekly Do Now page. Scientists use spectroscopes to separate light into colored lines. Make a prediction about what information this tells them about stars.

2 8 th Grade Science Today’s Schedule 1. Do Now 2. Fingerprinting Stars 3. Analysis Questions Essential Question How do we learn about the components of our universe? How does science explain the origin of the universe? What are the differences/similarities between how science, religion, art, historians explain the origins of the universe? Vocabulary Universe Stars Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum Monday, December 3, 2012 Pre-AP Homework Grade-Level Homework 8.8(A) HW due on Friday 8.8(A) HW due on Friday QUIZ ON FRIDAY

3 8 th Grade Science Today we will… 8.8(A) describe components of the universe, including stars, nebulae, and galaxies, and use models such as the Hertsprung-Russell diagram for classification 8.8(E) research how scientific data are used as evidence to develop scientific theories to describe the origin of the universe Monday, December 3, 2012

4 8 th Grade Science Fingerprinting Stars Monday, December 3, 2012 1.Compare the strips of elements to the Fingersprints of the Stars to discover what each star is comprised of. 2.Record observations on the handout. 3.Use the Periodic Table to identify the atomic number and mass for each element.

5 8 th Grade Science Analysis Questions Monday, December 3, 2012 1.What elements are found in all five stars? 2.Why do you think these elements are found in all five stars? Think about their atomic structure and placement on the Periodic Table. 3.Do any of the stars contain all eight of the given elements? 4.Which of the stars do you think is the oldest?

6 8 th Grade Science Do Now Tuesday, December 4, 2012 Complete the Anticipation Guide and then tape/glue it on page __.

7 8 th Grade Science Today’s Schedule 1. Do Now 2. Constructing HR Diagram 3. Reading: HR Diagram 4. Finish Anticipation Guide Essential Question How do we learn about the components of our universe? How does science explain the origin of the universe? What are the differences/similarities between how science, religion, art, historians explain the origins of the universe? Vocabulary Universe Stars Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum Tuesday, December 4, 2012 Pre-AP Homework Grade-Level Homework 8.8(A) HW due on Friday 8.8(A) HW due on Friday QUIZ ON FRIDAY

8 8 th Grade Science Today we will… 8.8(A) describe components of the universe, including stars, nebulae, and galaxies, and use models such as the Hertsprung-Russell diagram for classification 8.8(E) research how scientific data are used as evidence to develop scientific theories to describe the origin of the universe Tuesday, December 4, 2012

9 8 th Grade Science Constructing HR Diagram 1.Construct an HR Diagram using the materials at your table. 2.Record the completed diagram on page __. Make sure you include the labels for each axis. Tuesday, December 4, 2012

10 8 th Grade Science Reading 1.Read: HR Diagram 2.Use the handout to record the 4 types of stars, the relationship of temperatures and brightness, and location. Tuesday, December 4, 2012

11 8 th Grade Science Finish Anticipation Guide Finish the Anticipation Guide. Tuesday, December 4, 2012

12 8 th Grade Science Do Now On page __, describe what HR diagrams are and what they measure as if you were talking to a third grader. Wednesday & Thursday, December 5 & 6, 2012

13 8 th Grade Science Do Now ALTERNATE (Grade Level) Read: HR Diagrams (from Tuesday) Using the reading, complete the handout. Wednesday & Thursday, December 5 & 6, 2012

14 8 th Grade Science Do Now ALTERNATE (Pre-AP) Read: HR Diagrams (from Tuesday) Create the table below on page ____ and, using the reading, complete the table. Wednesday & Thursday, December 5 & 6, 2012 Type of StarRelationship of Temperature and Brightness Location on HR Diagram Main Sequence Giant Supergiant White Dwarf

15 8 th Grade Science Today’s Schedule 1. Do Now 2. BrainPop Video: Star Cycle 3. Life Cycle of a Star 4. Lab: Black Holes and Beyond 5. BrainPop Video: Black Holes 6. Comic Strip 7. White Board Review Essential Question How do we learn about the components of our universe? How does science explain the origin of the universe? What are the differences/similarities between how science, religion, art, historians explain the origins of the universe? Vocabulary Pre-AP Homework Grade-Level Homework 8.8(A) HW due on Friday 8.8(A) HW due on Friday QUIZ ON FRIDAY Universe Stars Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum Wednesday & Thursday, December 5 & 6, 2012

16 8 th Grade Science Today we will… 8.8(A) describe components of the universe, including stars, nebulae, and galaxies, and use models such as the Hertsprung-Russell diagram for classification 8.8(E) research how scientific data are used as evidence to develop scientific theories to describe the origin of the universe Wednesday & Thursday, December 5 & 6, 2012

17 8 th Grade Science Video: Star Cycle Life Cycle of a Star Wednesday & Thursday, December 5 & 6, 2012

18 8 th Grade Science Lab Create the table below on page ___ of you INB. Formulas: Circumference = 2πr Volume = 4/3 πr 3 Density = m/V π = 3.14 Wednesday & Thursday, December 5 & 6, 2012 TrialCircumferenceRadiusVolumeMassDensity 1. 2. 3. 4.

19 8 th Grade Science Lab TRIAL 1 1.Inflate a balloon to about 45cm in circumference. 2.Cover the balloon in aluminum foil to make your “star”. 3.Measure your “star” three times at three different angles and record the average under Trial 1. 4.Place your “star” on the triple beam balance to determine the mass. Record under Trial 1. Wednesday & Thursday, December 5 & 6, 2012

20 8 th Grade Science Lab TRIAL 2 1.Using a push-pin, carefully pop your “star” without crushing the foil. 2.Carefully crush the “star” so that it is SLIGHTLY smaller than its original volume. 3.Measure and record the circumference of the “star” three times at three different angles. Record this under Trial 2. 4.Measure the mass of the “star” and record in under Trial 2. Wednesday & Thursday, December 5 & 6, 2012

21 8 th Grade Science Lab TRIAL 3 1.Crush your “star” SLIGHTLY once again so that it is not quite completely crushed. 2.Measure and record the circumference of the “star” three times at three different angles. Record this under Trial 3. 3.Measure the mass of the “star” and record in under Trial 3. Wednesday & Thursday, December 5 & 6, 2012

22 8 th Grade Science Lab TRIAL 4 1.Crush your “star” one last time so that it is now as compact as possible. 2.Measure and record the circumference of the “star” three times at three different angles. Record this under Trial 3. 3.Measure the mass of the “star” and record in under Trial 3. Wednesday & Thursday, December 5 & 6, 2012

23 8 th Grade Science Lab – Questions Answer the questions on the handout and tape/glue it on page ___. Wednesday & Thursday, December 5 & 6, 2012

24 8 th Grade Science Video: Black Holes Black Holes Video Wednesday & Thursday, December 5 & 6, 2012

25 8 th Grade Science Comic Strip Create a comic strip showing the life cycle of a star. Your comic strip must include the following terms: Main SequenceRed Giant White DwarfBlack Hole SupergiantHR Diagram Wednesday & Thursday, December 5 & 6, 2012

26 8 th Grade Science White Board Review Wednesday & Thursday, December 5 & 6, 2012

27 8 th Grade Science Do Now Friday, December 7, 2012 On page __, answer the following questions. 1.Describe the temperature and brightness of Giants, according the to HR Diagram. 2.What is the name of the star group where a star spends the majority of its life?

28 8 th Grade Science Today’s Schedule 1. Do Now 2. Finish Black Hole Lab 3. White Board Review Essential Question How do we learn about the components of our universe? How does science explain the origin of the universe? What are the differences/similarities between how science, religion, art, historians explain the origins of the universe? Vocabulary Universe Stars Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum Pre-AP Homework Grade-Level Homework 8.8(A) HW due on Today! 8.8(A) HW due Today! QUIZ ON MONDAY Friday, December 7, 2012

29 8 th Grade Science Today we will… 8.8(A) describe components of the universe, including stars, nebulae, and galaxies, and use models such as the Hertsprung-Russell diagram for classification 8.8(E) research how scientific data are used as evidence to develop scientific theories to describe the origin of the universe Friday, December 7, 2012

30 8 th Grade Science Finish Black Hole Lab Complete the Conclusion Questions. Black Holes Video Friday, December 7, 2012

31 8 th Grade Science White Board Review 1. Describe the relationship between surface temperature and brightness of stars in the main sequence? Friday, December 7, 2012

32 8 th Grade Science White Board Review 2. Using the HR Diagram, describe the temperature and magnitude (brightness) of Betelgeuse. Friday, December 7, 2012

33 8 th Grade Science White Board Review 3. Where do black holes come from? a)Astronomers have no idea. b)Astronomers think that massive stars exploded and created them. c)Astronomers think that stars like our Sun exploded and created them. d)There is no evidence that black holes are real. Friday, December 7, 2012

34 8 th Grade Science White Board Review 4. What types of celestial objects are seen in the picture below? a)Planets and galaxies b)Planets and black holes c)Stars and black holes d)Stars and galaxies Friday, December 7, 2012

35 8 th Grade Science White Board Review 5.As a star collapses and creates a black hole, the mass of the star stays the same, but the volume decreases. What effect does the change in volume have on the density of the black hole? a)The density increases. b)The density decreases. c)The density stays the same. d)There is no way to keep the mass the same and change the volume. Friday, December 7, 2012

36 8 th Grade Science White Board Review 6. If a star has a low surface temperature and is considered very dim, where would you expect it to be located on the Herztsprung-Russell diagram? a)In the lower, right corner. b)In the upper, right corner. c)In the upper, left corner. d)In the main sequence. Friday, December 7, 2012

37 8 th Grade Science White Board Review 7. In the HR diagram, massive stars tend to be either blue or white in color. What does this tell us about these stars? a)These stars have low surface temperatures. b)These stars are very dim stars. c)These stars are not in the Main Sequence. d)These stars have high surface temperatures. Friday, December 7, 2012

38 8 th Grade Science White Board Review 8. What does “light-year” mean? Friday, December 7, 2012

39 8 th Grade Science White Board Review 9. Ultraviolet, x-ray, visible, and microwave are all members of the… a)Periodic Table. b)Tools used by medical professionals. c)Electromagnetic (EM) spectrum. d)Elements of the sun. Friday, December 7, 2012

40 8 th Grade Science White Board Review 10. When would an astronomer want to use light- years for the measurement? a)Calculating the time it takes sunlight to travel from the sun to Earth. b)Calculating the time it takes to travel across the galaxy. c)Describing the distance between stars. d)Describing the distance between the Earth and the Sun. Friday, December 7, 2012

41 8 th Grade Science White Board Review 11. What group of stars does the Sun belong to? Friday, December 7, 2012

42 8 th Grade Science White Board Review 12. Based on the Spectral Data for Element A, which of the following stars contains Element A? Friday, December 7, 2012 Spectral Data for Element A a) b) c) d)

43 8 th Grade Science QUIZ R ead and re-read the passage. U nderline the question B ubble important words I dentify the key idea, write it in margin. E liminate the wrong answers S elect the correct answer ✓ predator/prey interactions Friday, December 7, 2012

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