Unit Test Review U,G,S, & L


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Unit Test Review U,G,S, & L

  1. 1. Practice PracticePractice field Rules1) Clean Hands2) One person at a time3) Three throws per person
  2. 2. 100 The Universe and Galaxies100 Electromagnetic waves100 Optical fun100 Stars100 Distances and Measurement
  3. 3. Final Question 200 300 400 500 100 200 300 400 500 100 100 200 300 400 500 100 200 300 400 500 100Black Hole 200 300 400 500
  4. 4. What is the Electromagnetic spectrum Light Radiation organized by frequency and wavelength100 Mystery Ball
  5. 5. What are the wavelengths of the Electromagnetic Spectrum Radio, Microwave,Infrared, Visible,Ultraviolet,X-ray,200 Gamma Ray Mystery Ball
  6. 6. The Waves at the Radio end of the spectrum are like?The waves at the Gamma end of the spectrum are like? Radio waves are very big and far apart (building size) 300 Gamma waves are very small and close together Mystery Ball (Atomic size)
  7. 7. What wavelength do we see in? What wavelength do we emit? Visible &400 Infrared Mystery Ball
  8. 8. We ins Law states what? Describes the relationship between the wavelength of maximum500 intensity and the temperature. (Hot - Mystery Ball Blue) (Cold - Red)
  9. 9. What are the three basic types of Galaxies? Spiral,Elliptical, irregular100 Mystery Ball
  10. 10. What type of Galaxy do we live in and what is it called? Barred spiral and the200 Milky way Mystery Ball
  11. 11. What are the common wavelengths to view a galaxy? Infrared, visible,300 x-ray, Mystery Ball radio
  12. 12. What is one major difference between a spiral and an Elliptical galaxy? Elliptical galaxies400 have almost no dust Mystery Ball or gas between the stars
  13. 13. According to Hubbles law Galaxies move how in relation to us? The farther away the500 galaxy is the faster it will move away from you. Mystery Ball
  14. 14. What are the ways to classify stars? Color, Temperatur e, Size, Chemical,100 Composition, and Mystery Ball Brightness
  15. 15. In accordance to Weins law the hotter younger stars are ______in color.200 Blue Mystery Ball
  16. 16. White dwarf stars can be as small as _____ and Neutron stars can be as small as _______ 300 Earth, 20km Mystery Ball
  17. 17. _______ is the brightness as seen by the Eye.______ is the brightness after adjusting for the distance of the star Apparent 400 Absolute Mystery Ball
  18. 18. The Hertzsprun-Russell diagram uses the graphing of these two qualities to see the pattern of star types. Surface temperature500 and Absolute Mystery Ball brightness
  19. 19. We use this to analyze visible wavelenths100 Spectroscope Mystery Ball
  20. 20. What are the two type of optical telescopes? Refracting and200 Reflecting Mystery Ball
  21. 21. What interferes with telescopes and what do we do to avoid the problems? Atmosphere - place telescope on high mountains, or in space Light pollution - place 300 far away from civilization or in space Mystery Ball Wavelength interference - in a valley
  22. 22. C olor filters can do this to objects Make brighten objects of the same color400 range and darken Mystery Ball objects of opposite color range
  23. 23. Spectroscopy can be used to see what in different stars? Different elements500 that are in that star. Mystery Ball
  24. 24. A light-year is? The distance that light travels in one year,100 about 9.46 Mystery Ball trillion km
  25. 25. Scientists us this notation because the distances between objects in space are so large Scientific200 Notation Mystery Ball
  26. 26. he light from the stars is like looking into theT past why? Because the stars are so far away the light we see left that star system 300 millions of Mystery Ball years ago.
  27. 27. Solve the following equation! 3x + 2 =38400 12 Mystery Ball
  28. 28. Inscientific notation a positive exponent means the object is______ and a negative exponent means an object is _______. Big/far away 500 Small/very Mystery Ball close
  29. 29. According to the Big Bang theory this is howthe universe began. The theory asserts that our entire universe was created when a tiny (billions of times smaller than a proton), super-dense, Final super-hot mass "exploded" and began expanding veryQuestion rapidly, eventually cooling Mystery Ball and forming into the stars and galaxies with which we are familiar.
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