Across
- 4. An area or ridge of land that separates waters flowing to different rivers, basins, or seas.
- 5. Ocean ____ are the deepest parts of our oceans.
- 10. The combined calcium and magnesium content of water.
- 15. A measurement of the number of different species of organisms in a particular place/area.
- 18. The process of a liquid converting to the gaseous state.
- 19. A very long narrow elevation on the ocean floor that runs all the way from Iceland in the North Atlantic to Bouvet Island in the South Atlantic.
- 20. A usually triangular mass of sediment, especially silt and sand, deposited at the mouth of a river.
- 21. Drinkable water.
- 23. The daily rise and fall of water due to the gravitational pull of the moon and sun.
- 24. These help plants grow but when there is too much in water creates algae blooms.
- 25. The processes involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.
- 26. The non drinkable water contained in the oceans.
- 28. An area of land where surface water from rain and melting snow or ice converges to a single point.
- 30. The measure of the acidity.
- 32. Separation of solids from water that is used in Lifestraw (TM)
- 35. A large moving body of ice.
- 36. The removal of salt
- 37. The measure of the concentration of salt in water.
Down
- 1. A purification technique pushing water through a membrane against the normal movement.
- 2. Water that does not contain salt.
- 3. Specific structures or behaviours that increase an organism's chance of survival or reproduction.
- 6. Material (like sediment) being added to a landform.
- 7. A crescent-shaped lake (often temporary) that is formed when a meander of a river is cut off from the main channel.
- 8. Water that flows through a "channel" in the surface of the ground.
- 9. A small mass of solid or liquid matter that remains individually dispersed a liquid.
- 11. Non drinkable water.
- 12. Technique for separating solutions that involves boiling and condensation.
- 13. A large area of salt water between continents.
- 14. The undersea extension of a continent which can stretch for miles out to sea.
- 16. A ______ tide is just after a new or full moon, when there is the greatest difference between high and low water.
- 17. In water: a circular movement of water particles that causes a change in pattern that moves along the water surface.
- 22. This gas dissolved in water is necessary for fish and many aquatic invertibrates to live in the water
- 27. The measurement of how transparent a liquid is; directly related to the amount of suspended particles.
- 29. An underground layer where the material contains water.
- 31. The process by which soil and rock are removed from the Earth's surface.
- 33. Daily change in water levels of the oceans.
- 34. A ____tide is a less than average tide occurring at the first and third quarters of the moon.