Mixtures 5.5 CD

What change happens when water mixes with sugar? 

• The appearance of sugar changes 
• The shape of water changes 
• The taste of sugar changes
• The state of water changes 

Students collected data on four substances. If the same students were then given a mystery substance made of tan crystals that dissolves in water, it could be –

• corn starch
• brown sugar
• white sugar 
• sand 

What property of tea changes when it is mixed with sugar?

• color 
• taste
• shape
• state

A glass beaker contains 100 milliliters of water into which 5 grams of salt was stirred. Which item should be used to separate this particular mixture?

• triple beam balance
• paper filter
• hot plate
• spring scale 

Students collected data on the appearance of four substances and how they reacted when mixed with water. Which substances dissolved when mixed with water?

• A and B
• A and C
• B and C
• D and D

A science class performed an investigation by evaporating a solution containing 10 grams of salt and 50 milliliters of water. How much salt would you expect to find in the cup at the end of the investigation?

• 60 grams 
• 50 grams 
• 10 grams 
• 5 grams 

When white marbles are mixed with black marbles the mixture will–

• be all the same color 
• contain black and white marbles 
• changes its state of matter 
• have less volume 

A tablespoon of a substance is added to warm water and stirred. The result was that the substance could no longer be seen. We can conclude from the results that the substance –

• is less dense than water
• heated the water 
• flavored the water 
• dissolved in the water 

What tool would best help you sort iron bolts from aluminum bolts?

• A
• B
• C
• D

Which set of procedures would be best to follow when separating a mixture of sand, salt, and water?

• 1. Evaporate the liquid to separate the water. 
  2.Heat the solid mixture to separate the salt.
• 1. Pour the mixture through a filter to separate the sand. 
  2. Evaporate the liquid to separate the salt. 
• 1. Pour mixture into a bowl to separate the water. 
  2. Use a hand lens to separate the sand and salt. 
• 1. Heat the mixture on a hot plate to separate the sand. 
  2.Cool the liquid to separate the salt.