science chapter 2

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melissarenee
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285408
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science chapter 2
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2014-10-09 21:55:52
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  1. the colors of the rainbow
    visible spectrum
  2. a back and forth motion that repeatedly follows the same path
    oscillation
  3. the rate at which a wave osillates
    frequency
  4. the length of one cycle oscillation of a wave
    month
  5. the kind of wave formed by an electric field and a magnetic field oscillating at right angles to each other
    electromagnetic
  6. a star that produces rapid bursts of radio
    pulsar
  7. the point on the celestial sphere directly above the observer
    zenith
  8. the point on the celestial sphere directly below an observer
    nadir
  9. the imaginary line that encircles the heavens midway between the celestial poles
    celestial equator
  10. a packet of energy that travels as a wave; composes light
    photons
  11. the lowest point of a satellites orbit
    perigee
  12. the time it takes for the earth to revolve once around the sun
    year
  13. who showed that light consists of electromagnetic waves
    maxwell
  14. formulated the quantum theory
    maxplank
  15. developed the reflecting telescope
    newton
  16. supervised the development of the saturn v rocket
    braun
  17. the first man to travel in space
    gagarin
  18. americas first man in space
    alen shepard
  19. the first man to set foot on the moon
    armstrong
  20. a telescope that uses a system of lenses to produce an image
    refracting
  21. a telescope that uses a system of mirrors and lenses to produce an image
    reflecting
  22. a device that splits light into a spectrum for analysis
    spectroscope
  23. an instrument that collects radio waves from space
    radio teliscope
  24. an unmanned space craft that is launched specifically to explore the unknown
    space probe
  25. time based on the average year round length of the apparent solar day
    mean solar
  26. time based on the sun
    apparent solar
  27. an imaginary line in the sky directly overhead extending from north to south
    meridian
  28. the town points at which the sun crosses over the celestial equator
    equinox

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