Mixtures & Solutions

When sand and water are combined, they create a ______________.

• Solution
• Mixture
• Solvent
• All of the above

A solution is a special type of mixture.

• True
• False

Some people add salt to their soup. Which property of salt will remain the same?

• The size of salt crystals will remain the same
• The texture will remain the same
• The taste of the salt will remain the same
• The color of the salt will remain the same

How would you separate a mixture of sand and salt? 

• Mix them with water and let the water evaporate
• Mix them with water, pour the mixture through a sieve, then let the water evaporate
• Heat the sand and salt mixture for 5 minutes, then let it cool
• I would not do any of these because none of these options would work

A jar is filled with beads, salt, iron filings, and glass marbles. What tool would you use to separate the beads?

• A magnet
• Water
• A bowl
• A sieve

When making a cake, you add salt, flour, sugar, and baking soda together first. What property of these items will be the same once the cake is finished?

• They retain their taste
• They retain their particle size
• They retain their color
• All of the above

You have a mixture of glass beads and plastic beads. If you mix both with water, how would you know which ones are plastic?

• The plastic beads would sink, because plastic is more dense than water
• The plastic beads would sink, because plastic is less dense than water
• The plastic beads would float, because plastic is more dense than water
• The plastic beads would float, because plastic is less dense than water

How would you separate the ingredients of mixture Z?

• Water
• A magnet
• A sieve
• My hands

Which of the following substances are soluble in water?
I. cinnamon
II. pepper
III. salt
IV. kool aid powder

• I and II
• I and III
• II and III
• III and IV

A mixture is always a solution, but a solution is NOT always a mixture. 

• True
• False