Science & Technology Trivia Quiz 44

10 questions · 4 multiple choice · 6 number answers · scored out of 1000

Answer everything below, then hit finish for a scored breakdown. Number questions give partial credit for close guesses, so always take a shot.

  1. Multiple choicevery easy
    What particle has a negative charge in an atom?
  2. Number answermedium

    Hint: Like a dim light bulb

  3. Number answermedium
  4. Multiple choicevery easy
    What is the chemical symbol for oxygen?
  5. Number answermedium

    Hint: Circulatory system

  6. Number answervery hard
  7. Multiple choiceeasy
    What does CPU stand for?
  8. Number answerhard

    Hint: SMS messaging

  9. Number answermedium
  10. Multiple choiceeasy
    What does the "LED" in LED light stand for?

0 of 10 answered · 10 still blank (they score 0)

Answer key

Contains spoilers for all 10 questions. Expand only when you are done playing.

Show the answers
  1. What particle has a negative charge in an atom?Electron
  2. How many watts does the average human brain use?20
  3. How many legs does a lobster have?10
  4. What is the chemical symbol for oxygen?O
  5. How many liters of blood does the average adult have (approx)?5
  6. How many chambers does an insect heart have?13
  7. What does CPU stand for?Central Processing Unit
  8. In what year was the first text message sent?1,992
  9. How many planets in our solar system are gas giants?4
  10. What does the "LED" in LED light stand for?Light Emitting Diode

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