Monday, September 17, 2012 Which of the following consists of two or more substances that are not combined chemically and are usually relatively easy to.

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Presentation transcript:

Monday, September 17, 2012 Which of the following consists of two or more substances that are not combined chemically and are usually relatively easy to separate by physical means? a.) elementc.) mixture b.) compoundd.)solution

Wednesday, September 19, 2012 For what purpose would a scientist need to separate a mixture? (Provide example in a complete sentence.)

Thursday, September 20, 2012 List a few examples (3-5) of common mixtures that you may see or use on a regular basis. Ex: air is a mixture of gases

Friday, September 21, 2012 Which of the following are common physical means through which mixtures are separated? A.) filtration B.) ionization C.) evaporation D.) allowing components to settle

Monday, September 24, 2012 How does separating a mixture helps scientists study it? (Why can’t it just be left alone to determine what it contains???)