Play exciting free quizzes

Question 1 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 2 of 314

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30

🥄 Why do metal spoons become hot quickly in hot soup?

A Metal is a good conductor of heat B Metal creates heat C Soup sticks to metal D Air heats the spoon

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Question 3 of 314

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30

🧪 Which element has the chemical symbol K?

A Krypton B Potassium C Calcium D Cobalt

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Question 4 of 314

30

🧪 What is the only metal that is liquid at normal room temperature?

A Mercury B Gallium C Cesium D Bromine

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Question 5 of 314

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30

💻 In computing, what does RAM stand for?

A Random Access Memory B Read Access Memory C Rapid Application Module D Remote Access Machine

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Question 6 of 314

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🔥 A man lives on the 20th floor. Every morning he takes the elevator down to the lobby. When he returns, he rides to the 15th floor and walks the remaining five floors. Why?

A He enjoys exercise B He's too short to reach the 20th-floor button C The elevator stops working D He forgot where he lives

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Question 7 of 314

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👧 A doctor measures a patient's pulse immediately after a short sprint. Why is the pulse higher than at rest?

A The body needs to deliver more oxygen to muscles B The bones become heavier C The stomach digests food faster D The lungs stop working

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Question 8 of 314

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30

➕ Three friends share 18 cookies equally. How many cookies does each receive?

A 5 B 6 C 7 D 9

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