Science trivia questions with answers

The questions

Correct answers are marked for the host. Add them to a live quiz game and players answer against the clock.

1. 01Multiple choice

   What planet is closest to the Sun?

   • Mercury (correct answer) ✓
   • Venus
   • Earth
   • Mars
2. 02Multiple choice

   What gas do plants take in from the air to make food?

   • Carbon dioxide (correct answer) ✓
   • Oxygen
   • Nitrogen
   • Helium
3. 03Multiple choice

   What is H2O more commonly called?

   • Water (correct answer) ✓
   • Salt
   • Hydrogen peroxide
   • Ozone
4. 04Multiple choice

   How many bones are in the adult human body?

   • 206 (correct answer) ✓
   • 180
   • 250
   • 300
5. 05Multiple choice

   What force keeps us on the ground?

   • Gravity (correct answer) ✓
   • Magnetism
   • Friction
   • Inertia
6. 06Multiple choice

   What is the chemical symbol for gold?

   • Au (correct answer) ✓
   • Ag
   • Gd
   • Go
7. 07Multiple choice

   Which organ pumps blood around the body?

   • The heart (correct answer) ✓
   • The lungs
   • The liver
   • The kidneys
8. 08Multiple choice

   At sea level, water boils at what temperature in Celsius?

   • 100°C (correct answer) ✓
   • 90°C
   • 120°C
   • 80°C
9. 09Multiple choice

   Which planet is known for its prominent rings?

   • Saturn (correct answer) ✓
   • Mars
   • Venus
   • Mercury
10. 10Multiple choice

    What part of the cell contains its genetic material in plants and animals?

    • The nucleus (correct answer) ✓
    • The cell wall
    • The membrane
    • The vacuole
11. 11Multiple choice

    What is the hardest natural substance?

    • Diamond (correct answer) ✓
    • Gold
    • Iron
    • Quartz
12. 12Multiple choice

    How many planets are in our solar system?

    • Eight (correct answer) ✓
    • Nine
    • Seven
    • Ten