Classroom Resources: States of Matter

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  • Freezing Point | Middle School

    Access is an AACT member benefit. Lab: Lemon Ice Mark as Favorite (0 Favorites)

    This activity explores the interaction between salt and water (ice) as a way to further investigate their impact on the state of matter of a substance. Students will use salt and ice to create a slushy lemonade drink without the use of a freezer. They will learn through this hands-on experiment how salt and ice can rapidly cool a liquid.

  • Freezing Point | Middle School

    Access is an AACT member benefit. Lesson Plan: Stearic Acid Mark as Favorite (0 Favorites)

    In this lesson, students investigate how stearic acid undergoes a phase change from solid to liquid and back from liquid to solid. Temperature readings will be collected at one-minute intervals once the acid melts, the heat escapes, and the acid cools. Students are introduced to the idea that energy loss does not always result in a continuous temperature drop.

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Subtopics: ✖ Freezing Point

Grade Level: ✖ Middle School

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