Earth's Oceans Crossword Puzzle

QUESTIONS LIST:

• bathymetric : ocean floor map
• sea level : ocean's surface halfway between
• echo sounding : radio waves used to map the ocean floor
• indian : shallowest ocean
• arctic : most northern ocean
• southern : ocean that surrounds antarctica
• pacific : largest ocean
• atlantic : second largest ocean on earth
• satellites : used to measure small bumps and dips on the ocean surface
• continental slope : steep slope between the continent and deep ocean
• continental shelf : gradual slope from the shore to deeper water
• abyssal plain : flat ocean floor
• trench : extremely deep, underwater valley
• mid ocean ridge : continuous chain of underwater volcanoes