Across
- 2. A continuously moving mass of water that flows into a sea, ocean or another river.
- 6. A fertile plain where a river has deposited sediments.
- 7. A huge mass of water surrounding continents and separating them from each other.
- 9. A mass of floating ice.
- 11. Large mass of water that is smaller than an ocean and partly enclosed by land.
- 13. An undulation of the surface of sea water caused by the wind.
- 14. A triangular area near the river mouth.
- 15. The daily rise and fall of the water level in oceans and seas.
- 16. The volume of water a river carries.
- 17. The area occupied by the main river and its tributaries.
Down
- 1. Large body of water, similar to a river, that flows throw the oceans.
- 3. A lake containing saltwater.
- 4. A mass of ice created by the accumulation of snow.
- 5. A permanent mass of water that has accumulated in an inland basin.
- 8. The direction in which a river flows.
- 10. Water that is stored beneath the Earth’s surface.
- 12. A river that flows into another river.
