Play exciting free quizzes

Question 1 of 314

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30

🔍 A whale must regularly come to the surface because it:

A Breathes air through lungs B Drinks seawater C Lays eggs D Sleeps on land

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Question 2 of 314

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30

🌏 Which ocean is the second-largest on Earth?

A Indian Ocean B Arctic Ocean C Atlantic Ocean D Southern Ocean

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Question 3 of 314

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🌡️ Which process returns water vapor from plants to the atmosphere?

A Condensation B Transpiration C Erosion D Germination

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Question 4 of 314

30

🐦 Why are birds usually safe sitting on a single power line?

A Birds are immune to electricity B They don't touch another conductor at a different electric potential C Their feathers block all electricity D The wires are not live

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Question 5 of 314

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30

🧪 Which substance has the chemical formula NaCl?

A Baking soda B Table salt C Sugar D Vinegar

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Question 6 of 314

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⚡ 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 7 of 314

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🔓 Bread left uncovered for several days becomes hard mainly because it:

A Gains water B Loses moisture C Freezes D Absorbs sugar

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Question 8 of 314

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✋ A fair six-sided die is rolled once. What is the probability of rolling a number greater than 4?

A 1/6 B 1/3 C 1/2 D 2/3

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