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