Changes in Matter - Kemtec

Product Number: SB21300

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Ten activities acquaint students with classifying matter as elements, mixtures, or compounds and introduce them to atomic structure and nomenclature. Students are introduced to properties of common elements, compounds, and mixtures and learn how symbols are used to code for chemical elements. They separate common mixtures by evaporation and chromatography, proving that mixtures are not chemically combined. They learn that while elements are pure substances made of only one type of matter, compounds are pure substances made up of different chemically combined elements. Students observe that chemical reactions between solutions result in the formation of new compounds with different properties.They learn that color changes, effervescence, formation of solids, and new odors are all indicators that a chemical reaction has occurred. Includes reproducible student instructions, assessment for each activity, vocabulary, and complete answer keys. Required, not included: chemical splash goggles. Designed for 24 students working in groups of four. Meets national standards for grades 6-9.

Item Weight: 3
Brand: Kemtec
Prop 65:


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