Do Now 8 th Grade Science Monday December

Do Now 8 th Grade Science 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.

Today’s Schedule 1. Do Now 2. Fingerprinting Stars 3. Analysis Questions Vocabulary Universe Stars Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum 8 th Grade Science Monday, December 3, 2012 Pre-AP Homework Grade-Level Homework 8. 8(A) HW due on Friday QUIZ ON FRIDAY 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?

Today we will… 8 th Grade Science Monday, December 3, 2012 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

Fingerprinting Stars 8 th Grade Science 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.

Analysis Questions 8 th Grade Science 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?

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

Today’s Schedule 1. 2. 3. 4. Do Now Constructing HR Diagram Reading: HR Diagram Finish Anticipation Guide Vocabulary Universe Stars Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum 8 th Grade Science Tuesday, December 4, 2012 Pre-AP Homework Grade-Level Homework 8. 8(A) HW due on Friday QUIZ ON FRIDAY 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?

Today we will… 8 th Grade Science Tuesday, December 4, 2012 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

Constructing HR Diagram 8 th Grade Science Tuesday, December 4, 2012 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.

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

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

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

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

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

Today’s Schedule 1. 2. 3. 4. 5. 6. 7. 8 th Grade Science Wednesday & Thursday, December 5 & 6, 2012 Do Now Brain. Pop Video: Star Cycle Life Cycle of a Star Lab: Black Holes and Beyond Brain. Pop Video: Black Holes Comic Strip White Board Review Vocabulary Universe Stars Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum Pre-AP Homework Grade-Level Homework 8. 8(A) HW due on Friday QUIZ ON FRIDAY 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?

Today we will… 8 th Grade Science Wednesday & Thursday, December 5 & 6, 2012 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

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

Lab 8 th Grade Science Wednesday & Thursday, December 5 & 6, 2012 Create the table below on page ___ of you INB. Trial Circumference Radius Volume 1. 2. 3. 4. Formulas: Circumference = 2πr Volume = 4/3 πr 3 Density = m/V π = 3. 14 Mass Density

Lab 8 th Grade Science Wednesday & Thursday, December 5 & 6, 2012 TRIAL 1 1. Inflate a balloon to about 45 cm 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.

Lab 8 th Grade Science Wednesday & Thursday, December 5 & 6, 2012 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.

Lab 8 th Grade Science Wednesday & Thursday, December 5 & 6, 2012 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.

Lab 8 th Grade Science Wednesday & Thursday, December 5 & 6, 2012 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.

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

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

Comic Strip 8 th Grade Science Wednesday & Thursday, December 5 & 6, 2012 Create a comic strip showing the life cycle of a star. Your comic strip must include the following terms: Main Sequence White Dwarf Supergiant Red Giant Black Hole HR Diagram

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

Do Now 8 th Grade Science 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?

Today’s Schedule 1. Do Now 2. Finish Black Hole Lab 3. White Board Review Vocabulary Universe Stars Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum 8 th Grade Science Friday, December 7, 2012 Pre-AP Homework Grade-Level Homework 8. 8(A) HW due on Today! HW due Today! QUIZ ON MONDAY 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?

Today we will… 8 th Grade Science Friday, December 7, 2012 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

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

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

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

White Board Review 8 th Grade Science Friday, December 7, 2012 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.

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

White Board Review 8 th Grade Science Friday, December 7, 2012 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) b) c) d) The density increases. The density decreases. The density stays the same. There is no way to keep the mass the same and change the volume.

White Board Review 8 th Grade Science Friday, December 7, 2012 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) b) c) d) In the lower, right corner. In the upper, left corner. In the main sequence.

White Board Review 8 th Grade Science Friday, December 7, 2012 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) b) c) d) These stars have low surface temperatures. These stars are very dim stars. These stars are not in the Main Sequence. These stars have high surface temperatures.

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

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

White Board Review 8 th Grade Science Friday, December 7, 2012 10. When would an astronomer want to use lightyears 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.

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

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

QUIZ 8 th Grade Science Friday, December 7, 2012 Read and re-read the passage. Underline the question Bubble important words Identify the key idea, write it in margin. Eliminate the wrong answers Select the correct answer ✓ rey p / tor ons a d i pre eract int