science quiz

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Author:
melissarenee
ID:
284912
Filename:
science quiz
Updated:
2014-10-05 16:28:57
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science
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science
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science
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  1. discovered that light is made of colors?
    sir Isaac newton
  2. the color sequence of light?
    visible spectdrum
  3. repeated back and forth motion is called what?
    ocillate
  4. what speed does light travel?
    186,000 miles per second
  5. what light exists as packets of energy?
    photons
  6. how fast the light ocilates is called what?
    frequency
  7. the length of one complete cycle or ocillation?
    wavelength
  8. an arrangement of all of the electrmatic waves according to frequeny and wavelength?
    electromagnetic spectrum
  9. what is the lowest frequency?
    radio waves
  10. what satelite microwaves use?
    microwaves
  11. what wave produces head and warmth
    infrared waves
  12. near infrared visible light near ultraviolent?
    optical window
  13. can cause sunburns or cancer
    ultraviolet
  14. xray machines?
    xrays
  15. to treat cancer also in nuclear stuff
    gamma rays
  16. most important instrament, and theirs 2 basic types?
    teliscope
  17. out of the 2 telescopes which one uses lens to gather the image, collects light and bends the rays and the eye piece magnify the image?
    refracting telescope
  18. out of the 2 telescopes which one uses a large curved mirror and lenses, produces a sharper image, mirrors are cheaper than lens, largest is in Hawaii, and has a 10 meter diamiter mirror
    reflecting teliscope
  19. instrament that spits light into a spectrom so we can see colors
    spectroscope
  20. instrments that collect radio waves from space
    radio telescopes
  21. rotating stars
    pusars
  22. the apparent dome of the night sky in which the stars are attached
    celestrial sphere
  23. seperates the visible portion of the sky with the part we can not see
    horizon
  24. the point on the celestial sphere directly above the observer
    zenith
  25. point directly bellow the observer?
    nadir
  26. imaginary line encircles the heaves midway between the celestial pole?
    celestial equater
  27. most basic unit of time?
    day

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