Chapter 12: Earth's Oceans

1. The up - and - down movement of surface water

• continental shelf
• wave
• headland
• tide pool

2. the part of the ocean floor that slopes gently away from the land

• current
• headland
• continental shelf
• tide

3. a stream of water that flows through the ocean

• headland
• abyssal plain
• current
• tide

4. a sharp point of rock that extends from the coast

• wave
• continental slope
• abyssal plain
• headland

5. the part of the ocean floor that drops steeply

• continental slope
• tide pool
• current
• wave

6. a large, flat area on the ocean floor

• tide pool
• continental shelf
• abyssal plain
• tide

7. An area in which ocean water collects during low tide

• tide pool
• wave
• continental slope
• current

8. The rise and fall of the ocean level

• wave
• headland
• abyssal plain
• tide

9. What is the main purpose of the structure below?

• to protect beaches
• to increase wave action
• decoration

10. How are waves and currents alike?

• Both result from earthquakes.
• Both strengthen costal areas.
• Both form shoreline features.