The text states that there is almost how much more water than land on the Earth?, Twice as much, Exactly the same amount, Almost three times as much, Five times as much, What is the science of studying the ocean called?, Biology, Geography, Paleontology, Oceanography, Which of the following is NOT one of the methods oceanographers use to learn new information, according to the text?, Making written records of what they observe., Testing their guesses with experiments., Observing or watching carefully., Consulting ancient scrolls for hidden knowledge., Oceanographers find that the water is black and there are no plants in the deepest parts of the ocean. Why are there no plants?, The water is too cold., The pressure is too high., No sunlight can penetrate the water., Deep-water fish consume all the plant life., What is a mineral?, Any valuable substance found in the earth., A substance that helps build bones and teeth., A substance made up of material that was never alive., Anything that dissolves easily in water., The ocean is becoming saltier primarily because?, Volcanic eruptions release salt into the water., Salt is created when seawater evaporates., Rivers carry dissolved minerals and salt to the ocean, and evaporation leaves the salt behind., Oceanographers dump excess minerals into the sea during their experiments., What does the term "dissolve" mean?, To flow quickly over rocks and soil., To create a new chemical compound., To break into tiny pieces and become part of a liquid., To change from a liquid to a gas (evaporate)., Every food chain of the sea begins with what type of organism?, Fish (mammals of the sea), Plankton (tiny floating animals), Green plants (like algae), Invertebrates (like clams and mussels), What are the tiny floating plants and animals of the sea, which are the main food source for a baleen whale, called?, Algae, Corals, Plankton, Lugworms, What special equipment do scientists use to map the ocean floor by bouncing sound waves off the bottom?, Radar, Telescope, Sonar, Submarine, Which of the following is named in the text as an island that was formed by an erupting volcano?, Hawaiian Island, Galapagos Island, Surtsey Island, Barrier Island, Islands called coral reefs are built by what tiny invertebrates?, Starfish, Lugworms, Corals, Mussels, What is the term for the matter that settles to the bottom of a liquid and covers the sea floor in many places?, Plankton, Limestone, Sediment, Mineral, Which of the following is listed as an invertebrate often found in a tide pool?, Osprey, Baleen whale, Fish, Clam, The mineral that helps to build your bones and teeth, and also forms the shells of shellfish, is:, Salt, Gold, Lead, Calcium.

Chapter 6

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