Water and its importance Worksheet-9

Water and its importance Worksheet-9

 

True or False:

  1. Statement
  2. Water is made up of three elements.
  3. Sound travels faster through water than air.
  4. The other name for a tidal wave is Tsunami.
  5. The Indian Ocean is the biggest ocean on Earth.
  6. The solid state of water is called ice.
  7. An average human can survive without water for a few days.
  8. Pure water is tasteless.
  9. Nimbus, cumulus and stratus are types of clouds.
  10. Water is an example of a chemical element.
  11. Water covers less than 50% of the Earth’s surface.
  12. Water boils at 100 degrees Celsius (212 degrees Fahrenheit).
  13. When water is cooled, it contracts.
  14. Water freezes at a temperature of 0oC.
  15. Water is easy to compress.
  16. The chemical formula of water is H2O2.
  17. The deepest point in all of the world’s oceans is named as Mariana Trench.
  18. The consumption of bottled water has risen significantly over the last few decades.
  19. Pure water has a pH value of around 9.
  20. Gardening in dry climates is sometimes referred to as "zeroscaping".

 

Answer Key:

  1. False
  2. True
  3. True
  4. False
  5. True
  6. True
  7. True
  8. True
  9. False
  10. False
  11. True
  12. False
  13. True
  14. False
  15. False
  16. True
  17. True
  18. False
  19. False
  20. False