3rd grade ch 11 lesson 2 what are some ways to combine matter
TRANSCRIPT
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Ch. 11 Ch. 11 Lesson 2Lesson 2
What are some ways What are some ways to combine matter?to combine matter?
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mixturemixturemade of 2 or more made of 2 or more kinds of matter that are kinds of matter that are placed togetherplaced together
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each kind of matter in a each kind of matter in a mixture:mixture:
1.1. stays the samestays the same
2.2. can be separated from can be separated from the mixturethe mixture
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Mixtures Lab Interactive Online Activity
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MixtureMixture Separation Separation mechanismmechanism
Physical Physical properties that properties that
allow separationallow separation
Sand & iron Sand & iron filingsfilings
magnetmagnet Magnetism of ironMagnetism of iron
SaladSalad tongstongs Color, texture, Color, texture, shape, smell, sizeshape, smell, size
Salt & waterSalt & water Heating coilHeating coil Water’s ability to Water’s ability to evaporateevaporate
Muddy waterMuddy water Filter paperFilter paper Size of mud Size of mud particlesparticles
Dust in airDust in air Filter paperFilter paper Size of particlesSize of particles
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Separating Mixtures [02:29]
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examples of examples of mixturesmixtures
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pile of pile of pennies, pennies, nickels nickels
& dimes& dimes
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tossed saladtossed salad
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Chex Chex MixMix
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Activity- Separating a MixtureActivity- Separating a Mixture
11 22 33 44 55 66Total # Total # of partsof parts
corn corn ChexChex
wheat wheat ChexChex
Round Round pretzelspretzels
BreadBreadstickssticks
Bagel Bagel chipschips
WindowWindowpane pane pretzelspretzels
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Mixtures: Mixing Matter [01:36]
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How many kinds of matter How many kinds of matter make up a mixture?make up a mixture?
2 or more2 or more
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Give an example of a Give an example of a mixture.mixture.
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How much of each different How much of each different substance must be in a substance must be in a
mixture?mixture?
any amountany amount
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Why is a box of salt not a Why is a box of salt not a mixture?mixture?
There are There are not two not two
substances substances that can be that can be separated separated out of the out of the material.material.
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solutionsolutionFormed when 1 or more Formed when 1 or more substances dissolve in substances dissolve in another (physical change)another (physical change)
Type of mixtureType of mixtureParts of a solution can be Parts of a solution can be separated separated
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examples of examples of solutionssolutions
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lemonadelemonade
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sodasoda
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Solutions [00:52]
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What happens when a What happens when a substance dissolves?substance dissolves?
It breaks into tiny It breaks into tiny particles that cannot be particles that cannot be seen and spread out seen and spread out evenly in another evenly in another substance.substance.
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What two states of matter What two states of matter are in a soft drink solution?are in a soft drink solution?
Liquid and gas.Liquid and gas.
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How is a solution different How is a solution different from other kinds of mixtures?from other kinds of mixtures?The different parts The different parts cannot be seen in a cannot be seen in a solution.solution.
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Draw pictures of Draw pictures of 3 mixtures & 3 3 mixtures & 3
solutions.solutions.
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Commit and TossCommit and Toss
You can separate things from a You can separate things from a mixture.mixture.
You can mix it.You can mix it. They can be separated more easily They can be separated more easily
than compounds.than compounds. Something you can take apart.Something you can take apart. Mixture something combined that Mixture something combined that
you can separate.you can separate. Salad take out the tomatoes. Salad take out the tomatoes. Salad is a mixture. Salad is a mixture.