Earth's Waters

3. continuous process by which water moves through living and nonliving parts of the environment
5. the gravitational interaction between this item, the Earth and the sun causes tides
6. what all fresh water comes from
8. plants that photosynthesize are not found here because there is no light
10. lowest point of a wave
12. daily rise and fall of Earth's waters on its coastlines
16. large system of ocean currents that affect weather and climate
19. pattern of temperature and precipitation typical of an area over a long period of time
20. organisms produce light using chemicals
21. the measure of the mass of dissolved solids in a mass of water

1. receives very little sunlight and of it only the blue-green wavelengths
2. movement of energy through a body of water usually formed when winds blow across the water's surface transferring energy
4. movement of wind and water to the right or left that is caused by Earth's rotation
7. area of shallow seawater that receives the most sunlight
9. percent of fresh water on Earth
11. the number of oceans scientists recognize
13. the energy source that dries the water cycle
14. high point of a wave
15. huge mass of ice and snow that moves slowly
17. chemical formula used to represent water
18. large streams of moving water that flow through the ocean