mixtures and solutions - mrs....
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![Page 1: Mixtures and Solutions - Mrs. Oakesjaneoakes.weebly.com/.../51506929/mixtures_and_solutions.pdfMixtures and Solutions TEKS 5.5C and 5.5D What is a mixture? mixtures Two or more things](https://reader035.vdocument.in/reader035/viewer/2022071418/61167a174004ef58297826f0/html5/thumbnails/1.jpg)
Mixtures and Solutions
TEKS 5.5C and 5.5D
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What is a mixture?
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mixtures
● Two or more things that can be combined
● Can be easily separated by its properties (color, size, shape…)
● There do not have to be equal amounts
● Amount of each substance can change
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Separating a Mixture1. How would you separate the mixture
of hardware (nuts, bolts, etc)?
2. How would you separate the trail mix?
3. How would you separate the m&ms?
If everyone got a handful of the mixture, would everyone get the same serving?
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Types of Mixtures
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solid/solid
● Cereal● Trail mix● Soil
liquid/liquid
● Oil and vinegar● Gasoline
solid/liquid
● Kool-Aid in Water● Cake batter● Lemonade● Salt in Water
liquid/gas
● Soda● Bubbles● Water vapor in air
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What is a solution?
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solutions
● A special type of mixture
● Two or more types evenly spread out
● Not easily separated
● There do not have to be equal amounts
● Materials can be in different states
● You cannot see the particles
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Examples of Solutions
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Examples of Solutions
● Saltwater
● Swimming Pool
● Juice
● Hot chocolate
● Gatorade
● Lemonade
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Dissolve
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Let’s find out more about dissolving sugar in water. Click the link!
https://researchthetopic.wikispaces.com/What+does+it+mean+to+%E2%80%9Cdissolve%E2%80%9D%3F+-+R
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Solubility
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● Solubility: the ability to dissolve ● Soluble: able to dissolve● Solute: the substance that is lesser and it
gets dissolved● Solvent: the part of the the solution that
is greater and it does the dissolving
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What factors affect how fast a solid will dissolve?
● SIZE: smaller pieces will dissolve faster● TEMPERATURE: solids dissolve faster at warmer temperatures● STIRRING: solids dissolve faster when the solution is stirred
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Concentration
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Scientists Can Classify Solutions Based on Concentration
● A concentrated solution has a lot of the solute in it. ● Diluted means “thinned.” It has less of the solute.
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Separating Mixtures
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By Hand or Tweezers - look at color, shape
Is this the most efficient way?
Size - sieve, strainer
Magnetism - attracted or not attracted to a magnet
Solutions
● Evaporate water by adding thermal energy
● Solute will be left
When do you use a coffee filter to separate a mixture?
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Questions
● What are the properties of a mixture?● You are holding a glass of orange juice with ice cubes
floating in it. What kind of mixture are you holding?● What are the parts of a solution?● How does the amount of a solute in a solvent affect the
concentration?