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5 Written Questions

5 Matching Questions

  1. Three mile island
  2. How fast are wetlands disappearing
  3. What is the importance of marsh plant roots
  4. Independent variable
  5. What is the importance of estuaries to water fowl and shellfish
  1. a a island in the Susquehanna River, near Middletown, Pennsylvania; scene of a newar-disastrous accident at a nuclear plant in 1979 that raised the issue of nuclear-energy safety.
  2. b A football field every 30-45 minutes
  3. c Some organisms need varying salinities at different times in their life cycles
  4. d what you are going to make different in an experiment
  5. e The roots keep the soil stable. When they are destroyed, the plant dies and the soil erodes away more easily.

5 Multiple Choice Questions

  1. 2 or more reactants combine to form one product
  2. is seen when a mixture makes a beam of light visible.
  3. ...
  4. A negatively charged particle that moves around the nucleus
  5. part of an experiment used to compare the "experimental group" to. It is the "Normal" condition, or it does not contain a form of the independent variable.

5 True/False Questions

  1. ethical concerns• One of the ethical issues was altering their lives to create a bomb that would kill so many people. They were never able to tell anyone anything and all they were doing to creating a top bomb to destroy so many people. Another is they were always exposed to radioactivity which even killed some people at times.


  2. Valence electionA negatively charged particle that moves around the nucleus


  3. Suspensionmixture in which small particles of a substance are dispersed throughout a gas or liquid-are heterogeneous mixtures of a solid and a liquid in which the solid does not dissolve. Will settle when left standing undisturbed. Will show the tyndall effect


  4. Hypothesis2 or more reactants combine to form one product


  5. Swampis a visibly distinct portion of matter


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