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Solids, Liquids and Gases

Answer the following questions and click check to see whether you're right. The reset button starts the whole thing off again, and the Show Answers button will flash up the answers for 5 seconds. Please give the answers in singular form unless the question says otherwise.

 
  1) What are the three states of matter?
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  2) Which of the three states has the strongest forces of attraction between its molecules?
       
 
  3) Which of the three states has no force of attraction between its molecules?
       
 
  4) This one needs a bit more thought. What three things can affect whether a substance is a solid, liquid or gas?
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  5) Which of the three states have a definite volume? (give answer in plural)
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  6) Which of the three states have a definite shape? (give answer in plural)
       
 
  7) Which of the three states are easily compressed? (give answer in plural)
       
 
  8) Which of the three states have a medium density? (give answer in plural)
       
 
  9) Which of the three states flow easily? (give answer in plural)
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  10) What kind of energy transfer is almost always involved in changes of state?
       
 
  11) What is the process called when a solid becomes a liquid?
       
 
  12) What is the process called when a liquid becomes a gas?
       
 
  13) What is the process called when a liquid becomes a solid?
       
 
  14) What is the process called when a gas becomes a liquid?
       
 
  15) Do physical changes chemically alter the particles involved?
       
 
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