Vocabulary. Crustacean  Definition: hard-shelled animals that usually live in the water  Examples: shrimp, lobster, crab, prawns  Sentence: Crustaceans.

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Presentation transcript:

Vocabulary

Crustacean  Definition: hard-shelled animals that usually live in the water  Examples: shrimp, lobster, crab, prawns  Sentence: Crustaceans are an important food source for many cultures.

Crustaceans

Gelatinous  Definition: thick and slow to flow  Synonyms: jelly-like, gooey  Sentence: The gelatinous movement of the jellyfish was mesmerizing.

Gelatinous Movement

Menagerie  Definition: collection of animals  Synonyms: bunch, assembly  Sentence: The scientists were amazed by the menagerie of strange creatures living in the deep sea.

Menagerie of Creatures

Oceanographers  Definition: scientists who study the sea  What do oceanographers study? Marine plants and animals Ocean floor geography Plate tectonics Waves, tides, and currents Marine resources

Oceanographers study water samples.

Jacques Cousteau is a famous oceanographer.

Submersible  Definition: craft that goes under water  Synonyms: underwater craft, sub  Sentence: Research submersibles are able to go much deeper than divers.

Research Submersible “Alvin” Alvin gets lowered into the sea. Alvin under water. The crew inside Alvin.

Tentacles  Definition: long, stretchy limbs  What animals have tentacles? Octopus Squid Anemone Jellyfish  Sentence: The octopus wrapped its tentacles around its prey.

Tentacles Octopus Anemone

Undulates  Definition: moves in smooth, wavelike fashion  Synonyms: flows, alternates  Sentence: A manta ray’s wings undulate as it moved through the water.

Undulating Wings

Unfathomable  Definition: impossible to measure  Synonyms: bottomless, infinite  Antonyms: shallow, understandable, limited  Sentence One: The depth of the ocean trench was unfathomable.  Sentence Two: For boys, the mystery of girls is sometimes unfathomable.

Hypothermic Vent: A crack in the ocean floor