The shoreline, or coast , is the area where the land meets the ocean.

1. The shoreline, or coast, is the area where the land meets the ocean.

2. The shoreline, or coast, is the area where the land meets the ocean.

3. Some shorelines are rocky. Shorelines made of sand are called beaches.

4. Some shorelines are rocky. Shorelines made of sand are called beaches.

5. Shorelines are always changing because of wind and water.

6. Shorelines are always changing because of wind and water.

7. Waves can wear away the land and expose a rocky shore.

8. Waves can wear away the land and expose a rocky shore.

9. The waves can deposit sand alongthe shore and form a beach.

10. The waves can deposit sand alongthe shore and form a beach.

11. If the waves reach the beach at an angle, the sand is moved alongthe coast.

12. If the waves reach the beach at an angle, the sand is moved alongthe coast.

13. Currents, called longshore currents, along the shoreline can move sand from one location toanother.

14. Currents, called longshorecurrents, along the shoreline can move sand from one location toanother.

15. Tides can bring in sand, shells, and ocean sediments at high tide and leave them behind whenthe tide goes out.

16. Tides can bring in sand, shells, and ocean sediments at high tide and leave them behind whenthe tide goes out.

17. Storms can cause wave action that removes sand from beaches.

18. Storms can cause wave action that removes sand from beaches.

19. Islands are pieces of land surrounded by water on all sides. Islands with sandy beaches arecalled barrier islands.

20. Islands are pieces of land surrounded by water on all sides. Islands with sandy beaches arecalled barrier islands.

21. Barrier islands are naturally occurring and function to protect the mainland from theeffects of waves on its shore.

22. Barrier islands are naturally occurring and function to protect the mainland from theeffects of waves on its shore.

23. As the waves deposit sand on the beaches, the shapes of the barrier islands change.

24. As the waves deposit sand on the beaches, the shapes of the barrier islands change.

25. Currents can move the sand from one end of the island to the other.

26. Currents can move the sand from one end of the island to the other.

27. All rivers flow into the oceans.

28. All rivers flow into the oceans.

29. The area where a river meets the ocean is known as an estuary.

30. The area where a river meets the ocean is known as an estuary.

31. Estuaries have a mixture of freshwater and saltwater.

32. Estuaries have a mixture of freshwater and saltwater.

33. Waves can deposit sand in the estuaries.

34. Waves can deposit sand in the estuaries.

35. Waves can deposit sand in the estuaries.

36. At high tide, ocean water brings in sediments and sea life that feed and nourish life in theestuary.

37. At high tide, ocean water brings in sediments and sea life that feed and nourish life in theestuary.

38. Inletsare the water-filled spaces between the barrier islands.

39. Inletsare the water-filled spaces between the barrier islands.

40. As the tides change, the amount of water in the inlet will change.

41. As the tides change, the amount of waterin the inlet will change.

42. Oceancurrents and storms can change the shape of an inlet opening.

43. Ocean currents and storms can change the shape of an inlet opening.

44. Large storms, for example hurricanes, can also cause massive construction or destruction ofbeaches, barrier islands, estuaries, and inlets because they produce high waves, storm surges, andheavy winds.

45. Large storms, for example hurricanes, can also cause massive construction or destruction ofbeaches, barrier islands, estuaries, and inlets because they produce high waves, storm surges, andheavy winds.