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Across 10. travels on ocean currents 13. water that changes direction because it hits land 14. like a ball 18. movement in a continued path 21. replacement of warm surface water by cold, nutrient rich water 22. tiny, one-celled plants; basis of food chain 24. seaweed 25. streamlike movements of water 26. originate from glaciers 27. repeated pattern

Down 1. tiny plants that are food for other organisms 2. caused by differences in water density 3. deepest and densest water in the ocean 4. tiny animals that are food for other organisms 5. water on Earth 6. deflection of moving objects from a straight path 7. winds that blow world-wide 8. the amount of matter in a given space or volume 9. movement of water caused by wind 11. one of the strongest surface currents on Earth 12. movement of water due to density differences 15. moves 16. healthy sources of energy 17. main path of travel 19. gather 20. weather patterns over long periods of time for an area 23. measure of the amount of dissolved salts or solids in a liquid