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Understanding Mixtures: Properties and Separation Techniques

Today's lesson focuses on understanding mixtures, including elements, compounds, and mixtures classification. We'll review the concepts of compounds and mixtures, using Venn diagrams for clarity. Key highlights include notes on separating mixtures through various physical properties and methods such as hand sorting, sifting, filtering, evaporation, and magnetism. Students will engage in a practical activity using colored blocks and coins to demonstrate separation techniques. The assignment involves developing a separation plan for sand and salt, applying learned concepts to real-life scenarios.

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Understanding Mixtures: Properties and Separation Techniques

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Presentation Transcript

  1. Today’s Agenda… • Bellringer: Separate the cards into three groups: elements, compounds, and mixtures. • Review Compounds and Mixtures • Venn diagrams • Notes on Separating Mixtures • Separating Mixtures Activity

  2. Separating Mixtures Study Pack #14

  3. Today’s Target… • I can explain how and why mixtures can be separated using their characteristic physical properties.

  4. Physical Properties • What are physical properties? • Properties that describe substances • They can be observed with your senses • They can be measured

  5. Physical Properties • Examples of Physical Properties • Color • Shape • Texture • Size • Mass • Density • Melting point • Boiling point

  6. Physical Properties • Physical properties help you to identify, separate, and classify substances

  7. Separating Mixtures • Colored blocks • Use the physical property of color to separate • Coins • Use the physical property of size

  8. Separating Mixtures

  9. Methods of Separating Mixtures • Hand sorting • Sifting • Filtering • Evaporation • Magnetism

  10. Real Life Separating Mixtures • Water Distillation • Oil spill clean-ups

  11. Assignment… Sand and salt • Using what you learned today, develop a plan to separate the following mixture…. • Explain each step and why you would take that step.

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