File name: Classification Of Matter Pdf
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Physical Separations do not change the composition of the Matter. Homogeneous mixtures are also called solutions. Two substances that are mixed in equal proportions throughout. Ex. Air, . 24/7 Tech Support · 30 Day Free Trial · Cancel AnytimeService catalog: Document Management, Electronic Signatures, Cloud Stora. Classification of Matter • How do we make sense of all the types of material in the world? • Properties of Materials – Describe materials by listing their properties – Chemical properties vs . Practice Classifying Matter • Make a list of 3 things (and their parts) found in the classroom. Classify these as o Solid, liquid, or gas o pure substances or mixtures o homogeneous or heterogeneous o elements or compounds • Be prepared to share your classifications. 1. _____ 2. _____ 3._____. Classification of Matter Much of science involves describing the universe. To do this we must be able to classify the things we encounter. Heterogenous Mixture: Rocky Road Homogenous Mixture: Vanilla Compound: Element: Anything that has mass and takes up space we call matter. Classify the following types of matter as either homogeneous or heterogeneous. 1. carbonated soft drink (w/ bubbles) heterogeneous 9. air (with smog) heterogeneous 2. chocolate chip ice cream heterogeneous paint homogeneous. Compounds Two or more elements combined chemically in a fixed proportion by weight Must undergo chemical change for separation of the elements in a compound. Requires considerable energy. Two or more substances mixed, not chemically combined Unlike compounds, proportions can vary. Classification of Matter Much of science involves describing the universe. To do this we must be able to classify the things we encounter. Heterogenous Mixture: Rocky Road Homogenous Mixture: Vanilla Compound: Element: Anything that has mass and takes up space we call matter. For the moment, let’s side-step definition of matter and focus on the chemist’s view: matter is what chemical substances are composed of. But what do we mean by chemical substances? How do we organize our view of matter and its properties? These will be the subjects of this lesson.
