Shoreline Topics – Internet Activity
Name ______Pd. _____ Date ______
Sandy Shores
1. Describe the sand on the beach: ______
2. Why does the beach get reshaped every day?______
______
The Intertidal Zone
3. Describe the Intertidal Zone and what happens to it in the course of a day: ______
______
4. What are some things that animals do during low tide? ______
______
5. What evidence is there that people have been on the beaches? ______
______
A Barrier Island – Bald Head Island
6. Describe a barrier island: ______
______
7. Where are most of the barrier islands found in the United States?______
______
8. How do barrier islands help the coast on the mainland?______
______
9. What happens to barrier island because they withstand great forces? ______
______
10. What are five zones or features that you can find on a barrier island and briefly describe each? ______
Rocky Shores
11. Where are rocky shores found? ______
12. How can rocky shores be different in different places of the world? ______
______
13. What happens to organisms when water levels drop around 12 feet? ______
______
Tide Pools
14. Describe what a tide pool is: ______
15. What must organisms who live in tide pools be able to do and give an example? ______
16. List the animals that make the tide pool their home: ______
______
Salt Marches
17. Just like freshwater marshes, salt marshes are also ______.
18. Where do they occur? ______
19. Describe a salt marsh: ______
______
20. Describe why salt marshes are extremely productive: ______
______
21. Describe what vegetation on the salt marsh provides: ______
Mud Flats
22. Mud flats (also known as ______flats) are found next to ______.
23. Where does the mud flat get its nutrients and what does this mean?______
______
24. List the organisms that either live on or visit the mud flats: ______
______
Mangrove Forests
25. Where do they thrive? ______
26. How do mangroves help coastlines? ______
______
27. Describe the life on the mangrove forest: ______
______
28. A mangrove is a tropical ______or shrub of the genus Rhizophora. Mangroves have special ______and ______-______tap roots that enable them to thrive in brackish water. What is brackish water? ______
29. Mangroves need to keep their trunk and leaves ______the ______line. Yet they also need to be firmly ______to the ground so they are not moved by waves. There are ______types of mangrove roots that help in this process: 1) Support roots which directly pierce the soil. 2) Level-growing roots which twist upward and downwards, with the upward twists emerging on the water surface. 3) Level-growing roots whose downward twists (sub-roots) appear on the water surface.
30. Where are mangroves found? ______
______
Saving the Mangroves: Many governments have realized how necessary mangroves really are to the overall environment and have adopted mangrove ______and conservation programs.
31. Describe what Indonesia coastal farmers are doing as a restoration solution: ______
______
______
Tides
32. What are tides? ______
33. They are greatly controlled by what? ______
34. Why doesn’t the sun control the tides? ______
35. Describe what the pull of the moon does to the oceans? ______
______
36. Describe what causes a Spring Tide: ______
______
______
37. Describe how a Neap Tide occurs: ______
______
______
38. Why is there little noticeable change in tides near the equator? ______
______
39. Where are the highest tides in the world and why are they high? ______
______
Waves
40. What are waves? ______
41. Describe how waves are like a long rope: ______
______
42. What provides the wave’s energy in an ocean wave and where is it finally released? ______
______
43. What determines the size of a wave? 1) ______
2) ______
3) ______The greater these 3, the______
Currents
44. What is a current? ______
45. What are major causes of ocean currents? ______
______
46. Which winds most affect the oceans’ currents? ______
47. Which two winds create warm air from the tropics moving to the poles along with the Corioliseffect? ______
48. What are circular ocean currents called? ______
49. How does water density affect ocean currents? ______
______
50. What causes variations in water density? ______
51. Describe how cold water gets to the equator: ______
______
52. Describe how warmer waters move towards the poles: ______
______
53. What replenishes the oxygen in the ocean’s waters? ______
______
54. List other causes of currents: ______
______
______
The Gulf Stream
55. The Gulf Stream is one of the ______currents known. It moves along through the ______
______, past the ______coast of the United States and on to ______
______. Without the warm Gulf Stream, ______and other places in Europe would be as cold as ______.

However, the greatestofalloceancurrents is the West Wind Drift Current, a moving stream of water that circles the continent of Antarctica.