Back to Game
SeniorBrainGames.org

Science Symbols Quiz

Name: 
Date: 

Instructions: Match scientific symbols to what they represent

  1. 1.

    What element does the chemical symbol 'Au' represent?

    A
    Silver
    B
    Gold
    C
    Aluminum
    D
    Argon
  2. 2.

    What element does the chemical symbol 'Fe' represent?

    A
    Lead
    B
    Fermium
    C
    Fluorine
    D
    Iron
  3. 3.

    What does the symbol 'E = mc²' represent?

    A
    Electromagnetic force
    B
    Electric current formula
    C
    Mass-energy equivalence
    D
    Electron mass calculation
  4. 4.

    What element does the chemical symbol 'Hg' represent?

    A
    Mercury
    B
    Helium
    C
    Hafnium
    D
    Hydrogen
  5. 5.

    What does the symbol 'H₂O' represent?

    A
    Hydrochloric acid
    B
    Water
    C
    Heavy water
    D
    Hydrogen peroxide
  6. 6.

    What element does the chemical symbol 'Na' represent?

    A
    Nickel
    B
    Sodium
    C
    Nitrogen
    D
    Neon
  7. 7.

    What does the symbol 'DNA' stand for?

    A
    Dynamic Nucleic Arrangement
    B
    Deoxyribonucleic Acid
    C
    Diverse Nuclear Assembly
    D
    Direct Nitrogen Acid
  8. 8.

    What element does the chemical symbol 'Pb' represent?

    A
    Phosphorus
    B
    Platinum
    C
    Lead
    D
    Plutonium
  9. 9.

    What does the symbol 'CO₂' represent?

    A
    Carbon monoxide
    B
    Cobalt dioxide
    C
    Copper oxide
    D
    Carbon dioxide
  10. 10.

    What element does the chemical symbol 'K' represent?

    A
    Xenon
    B
    Krypton
    C
    Calcium
    D
    Potassium
  11. 11.

    What does the symbol 'pH' measure?

    A
    Acidity or alkalinity
    B
    Atmospheric pressure
    C
    Photon energy
    D
    Phosphorus levels
  12. 12.

    What element does the chemical symbol 'Ag' represent?

    A
    Silver
    B
    Aluminum
    C
    Gold
    D
    Argon
  13. 13.

    What does the symbol 'NaCl' represent?

    A
    Sodium carbonate
    B
    Nitrogen chloride
    C
    Sodium chloride (table salt)
    D
    Natural chlorine
  14. 14.

    What element does the chemical symbol 'Sn' represent?

    A
    Selenium
    B
    Sulfur
    C
    Silicon
    D
    Tin
  15. 15.

    What does the symbol 'O₃' represent?

    A
    Oxygen gas
    B
    Osmium trioxide
    C
    Ozone
    D
    Oxide

Answer Key

Question 1
B. Gold
Question 2
D. Iron
Question 3
C. Mass-energy equivalence
Question 4
A. Mercury
Question 5
B. Water
Question 6
B. Sodium
Question 7
B. Deoxyribonucleic Acid
Question 8
C. Lead
Question 9
D. Carbon dioxide
Question 10
D. Potassium
Question 11
A. Acidity or alkalinity
Question 12
A. Silver
Question 13
C. Sodium chloride (table salt)
Question 14
D. Tin
Question 15
C. Ozone

Find more free puzzles and brain games at www.SeniorBrainGames.org

© 2026 SeniorBrainGames