- How much of the world's reefs are in the Caribbean Sea?
- How many plates are there on Earth?
- What is it called when a diver ascends too quickly and bubbles form in the bloodstream?
- What fish gets its name from the three extra long fins it has? It uses them to stay just above the bottom of the ocean.
- What is the deepest point of the Caribbean Sea?
- What is the average size of a continental shelf?
- What is the breaking-off process of icebergs called?
- What are the two basic types of continental margins?
- How many tons of fish are caught in the Atlantic each year?
- What is known for spawning in the Sargasso Sea?
- What is the land that slopes to form the deep sea called?
- This is a sonar device that scans the seabed on either side. It is towed along by a surface ship.
- What is the name of the vessel that set out in 1872 to discover the physics, chemistry, and biology of the ocean?
- The shock waves hit seabed rocks and are reflected off them. From the reflected waves, scientists can tell which sort of rock they have hit.
- These are used for taking samples of the seabed. They are analyzed to give scientists information about the seabed and its creatures.
- What is the name of the technology scientists use to graph the ocean floor using sound?
- This is lowered to the sea bottom, where its nets collect samples of sea animals. It also carries a camera.
- This layer of Earth is a solid ball of iron and nickel. Even though it is 8,100 degrees, it is able to stay solid because of the immense pressure.
- This layer of Earth is made of molten iron and nickel.
- How much of fish caught for food is caught from the continental shelf?