Learn about how the properties of solubility can be utilized to separate 2 solids in a mixure.
- Students will perform a qualitative test that will show how 2 different solids were present in one mixture, and how to separate them.
- Aligned to NGSS Practices
- Performance expectations: MS-PS1-1; MS-PS1-2; MS-PS1-5; HS-PS1-2; HS-PS1-3; HS-PS1-7
- Disciplinary core ideas: PS1.A, PS1.B
- Cross cutting concepts include Scale proportion and quantity, patterns, energy and matter, scientific knowledge assumes an order and consistency in natural systems
- Engineering practices include eveloping and Using Models; Analyzing and Interpreting Data; Planning and Carrying Out Investigations; Scientific Knowledge is Based on Empirical Evidence; Science Models, Laws, Mechanisms, and theories Explain Natural Phenomena; Constructing Explanations and Designing Solutions; Using Mathematics and Computational Thinking
Performing liquid-liquid extractions allows students to apply their knowledge of the properties of molecules. Students will learn how the properties of solubility can be utilized to separate two solids in a mixture. This kit provides for a qualitative test that will help students visualize that two different solids were collected, despite their similar appearance. Students will also explore the concept of the law of conservation of mass as well as how acid-base reactions can be utilized to manipulate molecules. This kit contains enough material for 15 groups. Teacher's Manual and Student Study Guide copymasters are included.
Delivery information: Instructor's Manual and SDS included.
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