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Definition
| Any characteristic of a material that can be observed of measured without changing the composition of the substances in the material. |
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| The tendency of a liquid to keep from flowing. (its resistance to flowing) |
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| A material's ability to allow heat to flow. |
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Definition
| The ability of a solid to be hammered without shattering. |
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| The temperature at which a substance changes from solid to liquid. |
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| The temperature at which a substance boils. |
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| A process that separates materials based on the size of their particles. |
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| A process that separates the substances in a solution based on their boiling points. |
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| A change that occurs when some properties of a material change, but the substances in the material stay the same. |
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| What are some examples of physical properties? |
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Definition
| Viscosity, conductivity, malleability, hardness, melting point, boiling point, and density are examples of this. |
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| What is an example of a liquid with high viscosity? |
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Definition
| Honey is an example of a liquid with this amount of viscosity. |
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| What is an example of a liquid with low viscosity? |
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Definition
| Water is an example of a liquid with this amount of viscosity. |
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| What type of material is NOT a good conductor of heat? |
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Definition
| Wood is a type of material with this amount of conductivity. |
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| What type of material is a good conductor of heat? |
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Definition
| Metal is a type of material with this amount of conductivity. |
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Term
| True or False: Very few metals are malleable. |
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Definition
| False: Most metals are that actually. On the other hand, ice and glass aren't. |
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| What is one way to compare the hardness of two materials. |
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Definition
| You can scratch two materials together to compare them to each other for this physical property. |
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Definition
| Density can be used to test the purity of a substance. |
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| What are three ways that physical properties are useful? |
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Definition
| Physical properties are used to identify a material, to choose a material for a specific purpose, or to separate the substances in a mixture. |
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Term
| The identification of a material can be a crucial step for what? |
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Definition
| It is a crucial step for solving a crime. |
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| True or False: People just consider one property when choosing a material for a particular application. |
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Definition
| False: People consider a whole set of properties when doing this job. |
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Term
| What are two common separation methods? |
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Definition
| Filtration and distillation are two common of this kind of method. |
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Term
| What is a type of instrument used for filtration? |
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Definition
| A strainer is a type of this separation method. |
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| What is one practical use of distillation? |
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Definition
| Providing fresh water for submarines is an example used for this separation method. |
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| What are two examples of a physical change? |
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Definition
| Crumpling a piece of paper and slicing a tomato are two examples of this. |
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