Mixtures & Solutions Review

A container holds a mixture of glass shards and iron filings. What is the best way to separate the glass shards from the iron filings?

• Use a magnet

• Heat the mixture

• Sort them by size

• Separate them by shape

Pia made punch for a school picnic. She added sugar, strawberries, raspberries, and mint leaves to soda water. Which of these will dissolve in the soda?

• strawberries

• sugar

• raspberries

• mint leaves

Allison is studying how quickly sugar dissolves in warm and cold water. She dissolves raw sugar and white sugar in warm and cold water. In which of the following solutions would the sugar dissolve the fastest?

• raw sugar, cold water

• raw sugar, warm water

• white sugar, cold water

• white sugar, warm water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Kaden has a mixture of oil and water. He wants to separate the mixture. How can he do this?

• by using a magnet to attract the oil

• by pouring the mixture through a strainer

• by evaporating the water from the mixture

• by letting the oil float to the top and skimming it off

Rylan is comparing the time it takes for sugar to dissolve in different temperatures of water. Which graph's data is accurate?

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Tags

NGSS.MS-PS3-1

Sugar cubes are being dissolved in a beaker of water. The sugar will dissolve faster if which of the following changes is made?

• Use larger sugar cubes

• Stir the mixture

• Freeze the water

• Replace the beaker

A mixture of sand and pebbles is placed in a sieve, like the one shown here. The sand passes through the small holes in the sieve, while the pebbles remain in the sieve. What property was used to separate the mixture?

• Size

• Weight

• Color

• Mass

Tags

NGSS.5-PS1-3

A solution is a special kind of mixture. Some substances can dissolve in water; some substances cannot. Which of the following substances will not dissolve in a solution water?

• sugar

• salt

• oil

• lemon juice

A mixture of sand and iron fillings are in a bowl. How could the mixture be separated?

• Dissolving in water

• Using a filter

• Heating the mixture

• Using a magnet

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

• Evaporate the liquid to separate the water, then heat the solid mixture to separate the salt

• Pour the mixture through a filter to separate the sand, then evaporate the liquid to separate the salt

• Pour the mixture into a bowl to separate the water, then use a hand lens to separate the sand and salt

• Heat the mixture on a hot plate to separate the sand, then cool the liquid to separate the salt