Mr. Yerington’s Updates

News and Information from Mr. Yerington’s Classroom

MIXTURES AND SOLUTIONS TEST

Posted by iateacher on May 11, 2007

Hi everyone,

 We have finished our Mixtures and Solutions unit and are getting ready for a test.  It looks like I will be reviewing with the students on Monday, May 14 and the test will actually be on Tuesday, May 15.  See below for a list of what students need to know!

VOCABULARY

Students should know the meanings of the following vocabulary words:

  • mixture
  • solution
  • cubic centimeter (cc)
  • diatomaceous earth
  • NaCl
  • evaporate
  • crystals
  • properties
  • compound
  • solubility
  • concentration
  • precipitate

CONCEPTS

Students need to know:

  • the three ways we separated mixtures in class
  • what happens to a liquid when it evaporates
  • how to determine if a given chemical forms a solution
  • how to tell if a solution is saturated
  • some ways salt is used today
  • the two ways salt is obtained
  • how to determine the total weight of a solution given the weights of each component

This is a 51 point test so I am really encouraging students to study and do their best.  This close to the end of the school year I would hate to see grades drop because of lack of studying.  I  know right now most students would rather be outdoors, but please encourage your child to do their best!!

Thanks

Mr. Yerington

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