
β Question 1
Who discovered penicillin – the first antibiotic?
A) Marie Curie
B) Alexander Fleming
C) Louis Pasteur
D) Albert Einstein
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B) Alexander Fleming – discovered in 1928 when mold accidentally grew in his petri dish.β Question 2
Which planet has the largest volcano in the solar system?
A) Venus
B) Mars
C) Jupiter
D) Mercury
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B) Mars – Olympus Mons is about 22 km high, nearly three times taller than Everest.β Question 3
Who invented the first practical telephone?
A) Nikola Tesla
B) Alexander Graham Bell
C) Thomas Edison
D) Guglielmo Marconi
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B) Alexander Graham Bell – patented the telephone in 1876.β Question 4
What does DNA stand for?
A) Deoxyribonucleic Acid
B) Dynamic Nitrogen Atom
C) Double Nucleus Array
D) Deoxy Natural Amino
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A) Deoxyribonucleic Acid – it carries the genetic instructions of all living things.β Question 5
Which scientist proposed the theory of relativity?
A) Isaac Newton
B) Albert Einstein
C) Stephen Hawking
D) Galileo Galilei
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B) Albert Einstein – his theory, published in 1905, changed our understanding of space and time.β Question 6
What element has the chemical symbol βOβ?
A) Gold
B) Oxygen
C) Osmium
D) Ozone
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B) Oxygen – essential for respiration and combustion.β Question 7
Who was the first woman to win a Nobel Prize?
A) Rosalind Franklin
B) Marie Curie
C) Ada Lovelace
D) Lise Meitner
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B) Marie Curie – she won it in 1903 for her work on radioactivity, and again in 1911 for chemistry.β Question 8
Which natural force keeps planets in orbit around the Sun?
A) Magnetism
B) Radiation
C) Gravity
D) Friction
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C) Gravity – the same force that makes an apple fall to the ground keeps planets in motion.β Question 9
What was the first man-made object to reach space?
A) Sputnik 1
B) V-2 rocket
C) Apollo 11
D) Voyager 1
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B) The German V-2 rocket – launched in 1944, it crossed the KΓ‘rmΓ‘n line (100 km altitude).β Question 10
Which physicist developed the laws of motion and universal gravitation?
A) Albert Einstein
B) Isaac Newton
C) Galileo Galilei
D) Johannes Kepler
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B) Isaac Newton – his βPrincipiaβ (1687) remains one of the most influential scientific works ever published.π― Final Challenge
How many discoveries did you get right?
π Share your score in the comments and tell us which invention you think changed the world the most!