Play exciting free quizzes

Question 1 of 314

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30

😗 Which scientist developed the theory of general relativity?

A Isaac Newton B Galileo Galilei C Albert Einstein D Nikola Tesla

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Question 2 of 314

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30

⚡ Which statement is TRUE?

A Sound travels faster in air than in steel B Light travels faster than sound C Humans can hear all sound frequencies D Water boils at 50°C at sea level

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Question 3 of 314

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🌟 Choose the word closest in meaning to "Brief."

A Long B Short C Wide D Bright

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Question 4 of 314

30

🌃 Which country is home to the world's largest rainforest?

A Colombia B Brazil C Peru D Venezuela

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Question 5 of 314

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30

🌍 What is the hardest naturally occurring substance on Earth?

A Quartz B Diamond C Sapphire D Titanium

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Question 6 of 314

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🌏 Which ancient wonder was located in Alexandria, Egypt?

A Hanging Gardens B Lighthouse of Alexandria C Statue of Zeus D Temple of Artemis

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Question 7 of 314

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🧐 Which word is a synonym of "Rapid"?

A Slow B Fast C Weak D Quiet

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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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