Chemistry Vocab

5. the tendency of water to stick to other substances
6. The tendency of water molecules to stick to each other
9. an underwater vehicle built of strong materials to resist pressure at depth
10. A device that determines the distance of an object under water by recording echoes of sound waves
12. the area drained by a river and its tributaries
13. small river or stream that flows into a large river or stream; a branch of the river
15. the area where a freshwater stream or river merges with the ocean. Often a nursery for young
16. area of the ocean beyond the edge of the continental shelf. Most diverse organisms live near the surface
18. an organism that makes its own food
19. term that describes an organism that lives on land
20. free-swimming animals that can move throughout the water column

1. the movement of deep, cold, and nutrient-rich water to the surface
2. water that fills the cracks and spaces in underground soil and rock layers
3. organisms that live on the bottom of the ocean or other body of water; bottom-dwellers
4. the area of land that is drained by a water system
7. underground bed or layer yielding ground water for wells and springs etc
8. the amount of matter in a given space; mass per unit volume
11. term that describes an organism that lives in water
14. spots on the ocean floor where hot gases and minerals escape from earth's interior into the water
17. Tiny algae and animals that float in water and are carried by waves and currents