SCIENCE TRIVIA QUIZ #4 - 40 Science General Knowledge Trivia Questions and Answers | Pub Quiz

SCIENCE TRIVIA QUIZ - Science General Knowledge Trivia Questions and Answers Pub Quiz

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** Science General Knowledge Pub Quiz Trivia Questions And Answers:

1. Which is the only metal to remain liquid at room temperatures?
Mercury

2. What were scientists known as before they were known as scientists?
Natural philosophers or Physiologoi

3. True or false? Babies have more bones than adults.
True. They have 300 bones that later fuse to 206 after becoming adults.

4. Which letter does not appear in the periodic table?
J

5. Which planets in our solar system is impossible to walk on?
Gas planets: Jupiter, Saturn, Saturn, Uranus

6. What do people with “entomophobia” fear?
Insects

7. What vitamin does rain contain?
B12

8. What causes apples to float in water?
Apples are made of 23% air, lowering their density than surrounding water.

9. Pictured below is the largest living structure in the world. What is it called?
Great Barrier reef in Australia spans 2000km!

10. True or false? Killer whales are actually dolphins!
True! They belong to the dolphin family!

11. Are there more trees on Earth or stars in the Milky Way?
3.04 trillion trees more than 100-400 billion stars

12. What particle has a positive charge?
Proton

13. What is the percentage of Earth’s oxygen is produced by the Amazon rainforest?
~20%

14. What produces most Earth’s oxygen produced?
Ocean plants such as plankton, seaweed, etc.

15. How many brains does an octopus have?
9 brains: 1 in its head and 1 in each tentacle

16. What happens when you try to burp in space?
You throw up since there’s no gravity to keep down solids / liquids.

17. What is the common name for nitrous oxide?
Laughing gas

18. Where is the grasshopper’s ears located?
In their bellies covered by wings

19. Do humans have more cells or bacteria within their bodies?
10x more bacteria than cells

20. True or false? Hot water freezes faster than cold water.
True. This is the Mpemba effect.

21. How long does light take to travel from the Sun to the Earth?
~8 minutes 19 seconds

22. True or false? A flea can accelerate almost as fast as a space shuttle.
False! Fleas can accelerate 100g when they leap, which is 20x more than a space shuttle’s 5g.

23. Color blindness is found on the X chromosome. Who’s more likely to be colour-blind? men or women?
Men! Women have an extra X to make up for the colour-blind affected one!

24. As a gas, oxygen is colourless and odorless. What about as a liquid or solid?
It is pale blue

25. What does the “Magnus effect” state would happen to a ball if you give it a spin as you drop it?
It flies/glides through the air as it is falling!

26. True or false? A blood cell takes 1 hour to make a complete circuit of the body.
False! It only takes ~45 seconds!

27. Taste buds cannot detect food’s flavor until what happens first?
Food needs to be dissolved in saliva first before taste buds can detect it!

28. Which is hotter? Lightning or surface of the sun?
Lightning 50,000°F vs Sun’s surface 10,000°F

29. What is the world’s tallest tree?
Hyperion, a redwood tree (Sequoia sempervirens)

30. Which 2 body parts continue growing throughout our lives?
Ears and noses, due to gravity and fading skin elasticity

31. What do people with the disorder “Prosopagnosia” have difficulty doing?
Recognizing faces

32. What is matter that does not enter chemical reactions described as?
Inert

33. The temperature in which gas becomes a liquid is called its what?
Condensation point

34. What is the splitting of atomic nuclei called?
Fission

35. The smallest bone in the body is only 2.8mm and is located in the middle ear. What is it called?
Stirrup

36. What English chemist and physicist discovered hydrogen? He called it “Inflammable air”.
Henry Cavendish (1766)

37. At Wimbledon, tennis balls are kept at 68°F (20°C) because temperature affects the way they bounce. What effects does temperature have on its bounce?
Warmer temperatures expand gas inside and produces a higher bounce. Opposite is true for cooler tennis ball temperatures.

38. Scientists have developed a foolproof way to detect fake art made before 1945 and be able date ones after. How does this work and why that year?
By detecting presence and half-life of caesium-137, strontium-90 isotopes. These did not exist before the first atomic bomb blast!

39. What is chalk made of?
Coccoliths (microscopic plankton fossils)

40. Stomach acid (ph of 2-3) is strong enough to dissolve steel. How does the stomach lining not get digested?
Secretes a basic (alkali bicarbonate) and renews every 4 days.

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