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Dec10Vocab
Question | Answer |
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phytoplankton | microscopic floating organisms living in water at or near the sunlit surface; like plants, convert sunlight and carbon dioxide into food and oxygen |
turbidity | a measure of the clarity of water that depends on the amount, size, and composition of suspended matter such as clay, clay, sily, photoplankton and other microscopic organisms |
hydrothermal vent | an opening in the sea floor from which heated water rises and mixes with the ocean water above |
compound | a substance made up of two or more different types of atoms joined in a compound |
ionic bond | a type of chemical bond with the electrical attraction between a negative ion and a positive oin |
covalent bond | a type of chemical bond with a pair of electrons shared by two atoms |
molecule | a group of atoms that are held together by convalent bonds so that they move |
chemical reaction | the process by which chemical changed occur and new substances are formed; atoms are rearranged- chemical bonds are broken and formed |
reactant | a substance that is present at the beginning of a chemical reaction, takes part in the chemical reaction, and is changed into a new ubstance |
product | a substance formed by a chemical reaction; made by the rearrangement of atoms and bonds in reactants. |