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1. True or false? Sound travels faster through water than air? | 
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2. Water is made up of what two elements? | 
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3. What is another name for a tidal wave? | 
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4. True or false? The Indian Ocean is the biggest ocean on Earth. | 
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5. The solid state of water is known as what? | 
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6. Can the average human survive without water for a few days or a few weeks? | 
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7. True or false? Pure water is tasteless. | 
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8. Nimbus, cumulus and stratus are types of what? | 
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9. True or false? Water is an example of a chemical element. | 
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10. Does water cover more or less than 50% of the Earth’s surface? | 
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11. True or false? Water boils at 100 degrees Celsius (212 degrees Fahrenheit). | 
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12. When water is cooled, does it contract or expand? | 
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13. Water freezes at what temperature? | 
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14. True or false? Water is easy to compress. | 
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15. What is the chemical formula of water? | 
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16. The deepest point in all of the world’s oceans is named what? | 
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17. True or false? The consumption of bottled water has risen significantly over the last few decades. | 
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18. Pure water has a pH level of a around what number? | 
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19. What is the longest river on Earth? | 
Water Quiz Answers
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1. True | 
2. Hydrogen and oxygen | 
3. Tsunami | 
4. False - Pacific Ocean | 
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5. Ice | 
6. A few days | 
7. True | 
8. Clouds | 
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9. False | 
10. More - Around 70% | 
11. True | 
12. Expand | 
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13. 0 °C (32 °F) | 
14. False | 
15. H20 | 
16. Mariana Trench | 
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17. True | 
18. 7 | 
19. The Nile River | 
20. False - It floats | 
 
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