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Flour & Sugar

Flour & Sugar. Chapter 2 – Nature of Matter. Chapter 2 – Nature of Matter. Section 1 – Describing Matter Guide for Reading What kinds of properties are used to describe matter? What are elements, and how do they relate to compounds? What are the properties of a mixture? Standards

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Flour & Sugar

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  1. Flour & Sugar Chapter 2 – Nature of Matter

  2. Chapter 2 – Nature of Matter • Section 1 – Describing Matter Guide for Reading • What kinds of properties are used to describe matter? • What are elements, and how do they relate to compounds? • What are the properties of a mixture? Standards • 8.3.b – Students know that compounds are formed by combining two or more different elements and that compounds have properties that are different from their constituent elements.

  3. Matter Mixtures Pure Substances Heterogeneous Mixture Homogeneous Mixture Solutions Element Compound Question 1Question 2Question 3

  4. Matter • Anything that has mass and takes up space • All the “stuff” around you is matter • Matter can be divided into two categories: mixtures and pure substances Back to Mind Map

  5. Pure Substances • Substances that are a single kind of matter • Always has the same make up and properties no matter where it comes from • Ex: table salt- always comes from seawater or a salt mine Back to Mind Map

  6. Elements • A pure substance that CANNOT be broken down into any other substance • They are the simplest substance • Ex: carbon, calcium Back to Mind Map

  7. Compound • Made up of two or more elements chemically combined • Ex: Water- hydrogen and oxygen Back to Mind Map

  8. Granite Rock Chocolate & Water Flour & Sugar Mixtures • Made up of two or more substances (elements or compounds) but they DO NOT chemically combine • They CAN be separated Back to Mind Map

  9. Heterogeneous Mixture • You can see the different parts • Separate the parts easily • Ex: Salad or sand and flour Back to Mind Map

  10. Homogenous Mix - Solutions • A very well mixed mixture • Can’t see or tell that there are different parts even though there are • Ex: sugar water – can’t tell the sugar from the water after mixing Back to Mind Map

  11. Question 1: What would salt water be considered? • An element • A compound • A solution or homogenous mixture • A heterogeneous mixture Back to Mind Map

  12. Question 2: Which is an example of a heterogeneous mixture? • Fruit punch • Sand and rocks • Sugar water • Kool-Aid Back to Mind Map

  13. Question 3: Matter can be divided into two categories, what are they? Mixtures and Pure Substances Back to Mind Map

  14. Properties of Matter • Every form of matter has 2 kinds of properties: • Physical Properties • Chemical Properties

  15. Physical Property • A characteristic of a substance that can be observed without changing it into another substance. • Used the classify matter • Examples include: color, texture, melting point, density, etc.

  16. Chemical Property • A characteristic of a pure substance that describes its ability to change into different substances. • To observe chemical properties, you must try to change it to another substance. • Cannot be observed by just looking at the substance

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