1. Which is the process through which water continuously changes its form?
2. Which water is salty?
3. Which one of the following is an artificial enclosure for keeping small house plants?
4. Sea water contains
5. Which day of the year is celebrated as Water Day?
6. The movements that occur in oceans can be broadly called
7. Which is the Japanese word which means ‘Harbour Waves’?
8. When did Tsunami strike the Indian ocean?
9. The largest Tsunami wave travels at the speed of
10. The rhythmic rise and fall of ocean water twice in a day is known as