8 th Grade Science Do Now Monday, December 10, 2012 Copy the table on page _138_ DateQuestionAnswer Monday 1.What characteristics do scientists use to classify stars? 2.When classifying a star, magnitude means the same as ___________. Tuesday Wed/Thurs Friday

8 th Grade Science Today’s Schedule 1. Do Now 2. White Board Review 3. Quiz 4. Light year Essential Question How is current scientific data about components of the universe used to develop theories explaining the origins of the universe? Vocabulary Universe Light Year Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum Pre-AP Homework Grade-Level Homework Quiz Corrections Study for Test next Tuesday Quiz Corrections Study for Test next Tuesday Monday, December 10, 2012

8 th Grade Science Today we will… Monday, December 10, (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

8 th Grade Science BrainPop Video Star Cycle Video Black Holes Video Monday, December 10, 2012

8 th Grade Science White Board Review 1. Describe the relationship between surface temperature and brightness of stars in the main sequence? Monday, December 10, 2012

8 th Grade Science White Board Review 2. Using the HR Diagram, describe the temperature and magnitude (brightness) of Betelgeuse. Monday, December 10, 2012

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. Monday, December 10, 2012

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. Monday, December 10, 2012

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. Monday, December 10, 2012

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. Monday, December 10, 2012

8 th Grade Science White Board Review 8. 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. Monday, December 10, 2012

8 th Grade Science White Board Review 9. What group of stars does the Sun belong to? Monday, December 10, 2012

8 th Grade Science White Board Review 10. Based on the Spectral Data for Element A, which of the following stars contains Element A? Spectral Data for Element A a) b) c) d) Monday, December 10, 2012

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 Monday, December 10, 2012

8 th Grade Science Light Year Write the word “Light year” vertically on page _139__. Read the STEMScopes reading about light years and then write a sentence or phrase next to each letter. Monday, December 10, 2012 L I G H TThe distance light travels in one year Y E A R

8 th Grade Science Do Now Tuesday, December 11, 2012 On page _138__, answer the following question. DateQuestionAnswer Monday Tuesday If the sun is a main sequence star, why does it appear so much larger than other main sequence stars? Wed/Thu rs Friday

8 th Grade Science Today’s Schedule 1. Do Now 2. Time Travel 3. Exit Ticket Essential Question How is current scientific data about components of the universe used to develop theories explaining the origins of the universe? Vocabulary Universe Light Year Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum Pre-AP Homework Grade-Level Homework Correction Due Friday Major Test Next Tuesday Correction Due Friday Major Test Next Tuesday Tuesday, December 11, 2012

8 th Grade Science Today we will… 8.8(D) model and describe how light years are used to measure distance and sizes in the universe Tuesday, December 11, 2012

8 th Grade Science Time Travel Distances to stars and celestial objects are immense. 60 miles/hour 600 miles/hour 25,000 miles/hour. LIGHT186,000 miles/second Tuesday, December 4, 2012

8 th Grade Science Time Travel Imagine that with new technology you can build a time machine that travels at light speed. Write on page 141 of your notebook: The unit used to express stellar distance is the light-year, which is the distance that light travels in a year. Light-year = 5.8 trillion miles (5,800,000,000,000 miles) Tuesday, December 4, 2012

8 th Grade Science Time Travel Using the charts at your table, calculate the distance from the sun of your planet or galaxy for our scale model. 1 light year= 1 millimeter Tuesday, December 4, mm 1 light year Distance in Light Years x x 10 mm 1 cm x 100 cm 1 m 1

8 th Grade Science Time Travel 1.Measure the from the Earth, the scaled distance. 2.Using a paperclip, attach the card to the string in the appropriate place. 3.Fill in your table about the other planets and galaxies. Tuesday, December 4, 2012

8 th Grade Science Time Travel Video: Star Size Comparison Video: The true size of our world Tuesday, December 4, 2012

8 th Grade Science Exit Ticket Are light years a measurement of distance or time? How do you know? Tuesday, December 11, 2012

8 th Grade Science Do Now On page __, describe a situation when an astronomer would use light-years as the measurement. Wednesday & Thursday, December 12 & 13, 2012

8 th Grade Science Today’s Schedule 1. Do Now 2. Milky Way Galaxy 3. Notes 4. Card Sory 5. “Monster in the Middle” Essential Question How is current scientific data about components of the universe used to develop theories explaining the origins of the universe? Vocabulary Universe Light Year Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum Pre-AP Homework Grade-Level Homework 8.8 B/D HW due on Friday Wednesday & Thursday, December 12 & 13, 2012

8 th Grade Science Today we will… 8.8(B) recognize that the Sun is a medium- sized star near the edge of a disc-shaped galaxy of stars and that the Sun is many thousands of times closer to Earth than any other star. Wednesday & Thursday, December 12 & 13, 2012

8 th Grade Science Milky Way Galaxy Wednesday & Thursday, December 12 & 13, 2012 Using the sand, create a spiral galaxy on colored paper at your table.

8 th Grade Science Milky Way Galaxy Wednesday & Thursday, December 12 & 13, 2012 Notes

8 th Grade Science Card Sort Wednesday & Thursday, December 12 & 13, 2012 Each group will be given 9 pictures of galaxies. Sort the galaxies by shape.

8 th Grade Science Card Sort Wednesday & Thursday, December 12 & 13, 2012 Spiral Elliptical Irregular

8 th Grade Science Video Wednesday & Thursday, December 12 & 13, 2012 Monster in the Middle

8 th Grade Science Do Now Friday, December 14, 2012 On page __, write half a page to a full page explaining what all you have learned in this unit.

8 th Grade Science Today’s Schedule 1. Do Now 2. Review Game 3. Finish “Monster in the Middle” Essential Question How is current scientific data about components of the universe used to develop theories explaining the origins of the universe? Vocabulary Universe Light Year Nebulae Galaxies Herztsprung-Russel diagram Electromagnetic Spectrum Pre-AP Homework Grade-Level Homework 8.8 B/D HW due today Friday, December 14, 2012

8 th Grade Science Today we will… Friday, December 14, (B) recognize that the Sun is a medium- sized star near the edge of a disc-shaped galaxy of stars and that the Sun is many thousands of times closer to Earth than any other star. 8.8(D) model and describe how light years are used to measure distance and sizes in the universe

8 th Grade Science Review Game Friday, December 14, 2012 I am, Who is?

8 th Grade Science Video Monster in the Middle Friday, December 14, 2012