Play exciting free quizzes

Question 1 of 314

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30

🌡️ What happens to water at standard atmospheric pressure when it reaches 100°C (212°F)?

A It freezes B It boils C It evaporates instantly D It becomes ice

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Question 2 of 314

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30

🌛 Which color of visible light has the longest wavelength?

A Violet B Blue C Green D Red

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Question 3 of 314

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30

💊 Which vitamin is primarily produced in the human skin when exposed to sunlight?

A Vitamin A B Vitamin C C Vitamin D D Vitamin K

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Question 4 of 314

30

🙄 The Berlin Wall fell in which year?

A 1985 B 1987 C 1989 D 1991

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Question 5 of 314

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🎛️ What does a profit represent?

A Total sales B Revenue minus expenses C Business taxes D Employee salaries

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Question 6 of 314

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🔑 A lamp suddenly goes out after a bulb burns out. Which component is most likely responsible?

A The light bulb B The table C The ceiling D The wall

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Question 7 of 314

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30

🌏 What does GPS stand for?

A Global Positioning System B General Positioning Satellite C Geographic Program System D Global Programming Service

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Question 8 of 314

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30

🔢 What is the approximate value of π (pi) rounded to two decimal places?

A 2.14 B 3.14 C 3.41 D 4.13

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