matter: chapter 2 lesson 3: what are mixtures?. a mixture is a combination of two or more...
DESCRIPTION
A physical property of a substance is a characteristic of the substance that can be observed without changing it into another substance. Size, shape, texture, color, flexibility, and temperature are all examples of physical properties.TRANSCRIPT
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Matter: Chapter 2Lesson 3: What are mixtures?
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A mixture is a combination of two or more substances. Substances in a mixture can be separated. This means that they are not chemically combined.
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A physical property of a substance is a characteristic of the substance that can be observed without changing it into another substance.Size, shape, texture, color, flexibility, and temperature are all examples of physical properties.
![Page 4: Matter: Chapter 2 Lesson 3: What are mixtures?. A mixture is a combination of two or more substances. Substances in a mixture can be separated. This means](https://reader033.vdocuments.mx/reader033/viewer/2022051320/5a4d1b777f8b9ab0599b7b00/html5/thumbnails/4.jpg)
Separating Mixtures:
A mixture is often easy to separate into its parts. You can use the properties of the substance in a mixture to separate them from each other.
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MagnetismA magnet can be used to separate substances that are attracted to a magnet.
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Filtration:The process of separating substances with a filter. Filtration can be used to separate some solids from liquids and big objects from small objects.You can separate sand from water if you pour it into a filter.
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Evaporation
Evaporation is the change from a liquid to a gas. Evaporation can be used to separate solids from liquids.To make salt, salty ocean water can be put into a tray. After the water evaporates, the salt is left in the tray.
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CondensationCondensation is the process of a gas changing into a liquid. You can lower the temperature and cause condensation.
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Solutions:In a solution, one or more substances are dissolved in another substance.The most common kind of solution is a solid dissolved into a liquid.(salt into water)
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Solute and Solvent
A solute is the substance that dissolves.
A solvent is the substance that takes in or dissolves the other substance.
Usually there is more solvent that solute.
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SolubilityThe ability of one substance to dissolve another is called its solubility.Solubility is a measure of the amount of a substance that will dissolve in another substance.Sometimes raising the temperature of the solvent can speed up the process of dissolving the solute. (Jello)
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Got it?
1. How can a safety pin be separated from a mixture?
2. Mud is a mixture of dirt and water. Describe which methods you would use to separate this mixture so you are left with the dirt.