What is the primary currency used in South Korea?
South Korean Won![]()
What is the chemical symbol for water?
H₂O
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What is the 5th planet from the Sun?
Jupiter

What is the powerhouse of the cell?
Mitochondria

Who invented the telephone in 1876?
Alexander Graham Bell

How do you day 'Hello' in Korean? (non-formal)
annyeonghaseyo
What is the force that keeps planets in orbit around the sun?
Gravity

What layer of the Earth lies directly below the crust?
Mantle

What is the process by which plants make their food using sunlight?
Photosynthesis

Who is credited with inventing the first practical light bulb in 1879?
Thomas Edison
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What is the main mode of transportation in South Korea?
Bus

What is the name of the device used to measure temperature?
Thermometer

What term describes the process by which water cycles from the Earth’s surface to the atmosphere and back?
Hydrologic Cycle or Water Cycle

What type of blood cells are responsible for fighting infections?
White blood cells
Who invented the first successful airplane in 1903?
Wright Brothers (Orville and Wilbur Wright)

What is the name of the sea that separates Japan and Korea?
Sea of Japan
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What is the term for a material's resistance to flow?
Viscosity

What scale is used to measure the magnitude of earthquakes?
Richter Scale

What is the term for an organism's complete set of DNA?
Genome

Who developed the polio vaccine in 1953?
Jonas Salk
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Which South Korean company is famous for its instant noodles that have become popular worldwide since their invention in 1958?
Nongshim

What principle explains why airplanes can fly?
Bernoulli's Principle

What is the name of the supercontinent that existed millions of years ago?
Pangaea
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What is the name of the process by which cells divide to form gametes?
Meiosis
Who invented the alternating current (AC) electrical system and held over 300 patents for his inventions?
Nikola Tesla
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