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WORKSHEET 9  Mixtures  Name: ................................................................... Class: ..................... Date: ........................
 Mixtures
              WORKSHEET 20 SolutionsSolutions



 3- Look at the figure and answer the questions.  What happens when….?



 1- What is this process called?

 2- What is it used for?  1- We increase the temperature when making a solution.

 3- What kind of mixture is in the figure?  ....................................................................................................


 4- Can we use this process to separate   2- We increase the amount of a solvent when making a solution.

      aluminum from sand? Why?  ....................................................................................................


                 3- You stir sand with water.



 sand            ....................................................................................................
                 4- You mix salt with water.


 sand + iron fillings  ....................................................................................................
 iron fillings    5- Grinding a solid before stirring it with a solvent.



                 ....................................................................................................

 4- Look at the figure and answer the questions  6- You dissolve 3 gm. of sugar cubes in 200 ml. and 3 gm. of



 1- What is this process called?      powdered sugar in the same amount of water.


 2- What is it used for?  ....................................................................................................

 3- What kind of mixture is in the figure?  7- You mix a cube of sugar with 200 ml. of water and another


 4- Is it used for soluble or insoluble materials?      with 100 ml. of water.


                 ....................................................................................................

                 8- The amount of the solute increases.
 water
                 ....................................................................................................
 salt
                 9- You put an insoluble substance in a solvent.

                 ....................................................................................................


                 10- You shake mud in water.


                 ....................................................................................................
 Teacher’s note
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