|
|
||
![]() |
The ocean contains 97% of the Earth's
water. |
|
| Ocean: | a large quantity of salt water surrounding land. More than 66% of the Earth's surface is covered by the ocean. |
|
Current: |
a volume of warm or cold water moving in one direction within the ocean. |
| Tide: | changes in the sea level which happen every day. They are controlled by the moon's gravitational pull on the Earth. |
| Wave: | formed as the wind blows across the sea's surface. Waves carry sand and pebbles when they are close to the beach. |
|
![]() |
||
| Discussion
Point |
Where is the other 3% found? |