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Science - General Quiz

Science - General · Easy

20 questions · Unlimited attempts · Free online practice

General science covers the broad foundational knowledge that underlies all scientific disciplines. It includes core concepts in the scientific method, basic physics, chemistry, bio...

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All 20 questions in this Science - General quiz
  1. Which gas is essential for breathing?

    • A. Helium
    • B. Nitrogen
    • C. Oxygen
    • D. Carbon
  2. What is the term for a dry area that receives little rain?

    • A. Grassland
    • B. Rainforest
    • C. Swamp
    • D. Desert
  3. How many chambers are in the human heart?

    • A. 5
    • B. 2
    • C. 3
    • D. 4
  4. What is the basic unit of life?

    • A. Atom
    • B. Organ
    • C. Cell
    • D. Molecule
  5. What does 'Biodiversity' refer to?

    • A. Ocean depth
    • B. Plant growth
    • C. Population size
    • D. Variety of life
  6. What is the primary cause of tides?

    • A. Moon's gravity
    • B. Sun's heat
    • C. Ocean currents
    • D. Earth's rotation
  7. What is the square root of 64?

    • A. 8
    • B. 7
    • C. 6
    • D. 9
  8. What is the lightest element in the periodic table?

    • A. Hydrogen
    • B. Oxygen
    • C. Lithium
    • D. Helium
  9. What is the sudden movement of snow down a slope?

    • A. Avalanche
    • B. Mudslide
    • C. Earthquake
    • D. Landslide
  10. What is the process of a liquid becoming a gas?

    • A. Freezing
    • B. Melting
    • C. Sublimation
    • D. Vaporization
  11. What is the unit of work?

    • A. Joule
    • B. Watt
    • C. Newton
    • D. Pascal
  12. What is the chemical symbol for Sodium?

    • A. Sn
    • B. Sd
    • C. So
    • D. Na
  13. Which color is produced by mixing blue and yellow?

    • A. Red
    • B. Green
    • C. Orange
    • D. Purple
  14. What is the chemical that causes the leaves to be green?

    • A. Hemoglobin
    • B. Carotene
    • C. Chlorophyll
    • D. Melanin
  15. What is the study of light called?

    • A. Thermodynamics
    • B. Optics
    • C. Acoustics
    • D. Mechanics
  16. Which vitamin is known as the 'Sunlight Vitamin'?

    • A. Vitamin C
    • B. Vitamin D
    • C. Vitamin A
    • D. Vitamin E
  17. What is the formula for Water?

    • A. H3O
    • B. H2O
    • C. H2O2
    • D. HO2
  18. What part of plant makes food?

    • A. Leaf
    • B. Root
    • C. Stem
    • D. Flower
  19. How many moons does Mars have?

    • A. 1
    • B. 3
    • C. 2
    • D. 4
  20. What is the process of a liquid turning into a solid?

    • A. Ionization
    • B. Vaporization
    • C. Freezing
    • D. Melting