Science Quiz Round 5 — Answers

The following list of Science Quiz Answers Round 5 are printable for free. It's simple to print just by right clicking on the answer list and selecting the printing option. We hope you have fun and enjoy the challenge of answering our selection of Science brain teasers!

  1. True: Kinetic energy is measured in joules (J)
  2. True: Electrons orbit the nucleus in shells or orbitals
  3. True: A magnet has a north pole and a south pole
  4. True: Water's formula is H₂O
  5. True: One full Earth rotation takes about 24 hours
  6. False: Most bacteria are harmless; some are beneficial
  7. True: The average adult human body is roughly 60% water
  8. False: The Moon is about one-quarter the diameter of Earth
  9. True: Gold is highly unreactive
  10. True: Helium is much less dense than air
  11. True: DNA is an abbreviation for Deoxyribonucleic Acid
  12. False: Most bats can see, though they rely heavily on echolocation
  13. True: The pH scale runs from 0 (most acidic) to 14 (most alkaline)
  14. True: Saturn's rings are about 99% water ice
  15. False: Babies are born with around 270 bones
  16. True: Light travels at about 299,792 km/s in a vacuum
  17. True: Uranus's axis is tilted about 98° — it essentially rolls around the Sun
  18. True: W stands for tungsten (from 'wolfram')
  19. False: Mitochondria are the powerhouses of cells
  20. True: Electrons (negative) are attracted to protons (positive)