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Spooky Science

136-question quiz on Halloween: Spooky Science. Play it free on Knovli, on your own or against other people.

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Sample questions

  1. What is the scientific term for the fear of spiders?
  2. Bats use echolocation to navigate in the dark. What does echolocation rely on?
  3. The moon appears larger near the horizon than high in the sky due to an actual change in its size.
  4. Which of the following chemicals is primarily responsible for the feeling of fear in the human brain?
  5. What is the first stage of human decomposition after death?
  6. Owls are nocturnal animals, meaning they are most active during the night.
  7. Which brain structure is most associated with processing fear responses?
  8. What gas, produced during decomposition, causes a body to bloat?
  9. Which of the following best describes how bats produce the ultrasonic calls used in echolocation?
  10. What is the term for animals that are active primarily during twilight hours — at dawn and dusk?

10 of 136 questions shown. The answers are in the quiz.