83042 Easy Trivia Questions
83042 public questions at this depth. How many can you answer?
In Benjamin Franklin’s 1752 kite experiment, what did the electrical sparks indicate about lightning?
Answer
Lightning is electrical
In the 1887 Michelson–Morley experiment, what did the investigators fail to detect?
Answer
Earth’s motion through the ether
In Young’s 1801 double-slit experiment, what pattern appeared when light passed through two narrow slits?
Answer
Interference fringes
Which whale is famous for catching fish with bubble-net feeding?
Answer
Humpback whale
What is the approximate average salinity of open-ocean seawater?
Answer
35 parts per thousand
In bony fish, what sensory system detects water movement along the body?
Answer
Lateral line system
In baleen whales, what comb-like structures filter food from seawater?
Answer
Baleen plates
Which ocean zone receives enough sunlight for most marine photosynthesis?
Answer
Photic zone
What is the world’s largest fish by body mass?
Answer
Whale shark
What is the largest species of penguin, measured by height and mass?
Answer
Emperor penguin
Who first used ether successfully as a general surgical anesthetic in public?
Answer
William T. G. Morton
Who demonstrated the first public surgical use of ether anesthesia in 1846?
Answer
William T. G. Morton
Who was the first person to receive a successful human face transplant?
Answer
Isabelle Dinoire
Who received the first successful permanent artificial heart implant in 1982?
Answer
Barney Clark
Who developed the first chickenpox vaccine used for routine immunization?
Answer
Michiaki Takahashi
Which technology earned John Goodenough, M. Stanley Whittingham and Akira Yoshino the 2019 Nobel Prize in Chemistry?
Answer
Lithium-ion batteries
What quantum phenomenon earned Alain Aspect, John Clauser and Anton Zeilinger the 2022 Nobel Prize in Physics?
Answer
Quantum entanglement
Which phenomenon did Albert Einstein explain in his Nobel Prize-winning 1905 paper?
Answer
The photoelectric effect
Which chemical element is the lightest noble gas?
Answer
Helium
What compound is formed by the ionic bonding of sodium and chlorine?
Answer
Sodium chloride
Which compound is commonly known as baking soda and has the formula NaHCO₃?
Answer
Sodium bicarbonate
Which British dessert is a moist date sponge traditionally served with toffee sauce?
Answer
Sticky toffee pudding
Which British condiment was first produced commercially in Worcester in 1837?
Answer
Worcestershire sauce