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5 Written questions

5 Matching questions

  1. using less electricity
  2. sulfuric acid
  3. Density Current
  4. Sea Level
  5. Element
  1. a as the trough of a wave thousands of miles long approaches the shore, ___ _____ appears to drop
  2. b when more dense seawater sinks under less dense seawater, this forms
  3. c ways to support the clean air act include ________ _____ _______
  4. d A mineral may be composed of more than one _______
  5. e acid rain is created when emissions from coal burning power plants combine with moisture to form ________ _____

5 Multiple choice questions

  1. substance with a pH lower than 7
  2. its sets goals for reducing point and nonpoint pollution sources
  3. valuable, rare, and beautiful minerals
  4. the lowest tides
  5. observations and experiments

5 True/False questions

  1. Sciencea process of observing, studying, and thinking about things to gain knowledge


  2. Independent VariableA mineral may be composed of more than one _______


  3. Point Source Pollutionpollution that enters a body of water from a large area


  4. Salinitythe density of seawater is affected by temperature and ________


  5. Constantsvariables that do not change in an experiment