properties of water

3. Global Positioning System
4. the science of recording and describing the ocean’s contents and processes.
7. type of water in rivers and lakes.
8. there are six of these large land masses.
10. type of water found where water meets the ocean (estuaries).
12. a controlled environment that has ocean or freshwater plants or animals.
13. 72% of the earth is covered in this.
14. the study of the movement, distribution, and quality of water on Earth.

1. water being absorbed into the atmosphere.
2. a large body of salt water mostly enclosed by land.
5. this is the name of the largest ocean.
6. water coming from the sky.
9. stands for Self-Contained Underwater Breathing Apparatus
11. Small unmanned submarine with propellers, video cameras and an umbilical.
15. an arm of an ocean partly enclosed by land (larger than a bay).