2nd Summative Test in Science 6 (Quarter 1)

Which of the following is a heterogeneous mixture?

• A. coffee           

• B. noodle soup           

• C. orange juice      

• D. sugar solution

3. Which of the following liquids do not mix with water?

 

    

• A. liquid soap              

       

•    B. oil                       

        

•   C. soy sauce                         

       

•    D. vinegar

Colloids are ___________________.

• A. homogeneous mixtures that seem to be heterogeneous

• B. heterogeneous mixtures that seem to be homogeneous

• C. suspensions that look like solutions

• D. solutions that look like colloids

Cloud and fog are what kind of colloid?

       

•    A. liquid dispersed in solid                    

       

•     B. gas dispersed in liquid

         

•    C. gas dispersed in solid                       

         

•    D. liquid dispersed in gas

Which of the following colloids is an example of a sol?

 

•          A. whipped cream             

        

•    B. milk                

        

•    C. hair spray               

       

•     D. paint

In which glass of liquid is sugar dificult to dissolve?

• A.  in a glass of ice tea                

• B. in a glass of hot water

• C. in a glass of tap water           

• D. in a glass of cold water with ice cubes

Tags

NGSS.MS-PS1-4

A flour mixed with cornstarch is a homogeneous mixture because:

• A. you can easily identify its components

• B. the mixture appears one or uniform

• C. you can only see the texture                                       

• D. the mixtures did not mix well

What kind of mixture is formed when larger particles settle out when left

     undisturbed?

• A. colloid           

• B. suspension                       

• C. solution         

• D. solvent

Which of the following mixtures is not an example of a suspension?

• A. salt and water      

• B. oil and water         

• C. sand and water   

• D. chalk and water

Suspensions are homogeneous mixtures.

• TRUE

• FALSE