Now it becomes crystal clear why the unit is called Mixtures and Solutions. The fifth installment of a six-part unit explores mixtures and solutions. After viewing a demonstration on mixing pebbles with water, salt with water, and vegetable oil with water, class members develop definitions of mixtures and solutions, as well as solutes and solvents.

Concepts

mixtures, solutions, physical properties, solutes, solvents, technology resources

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Additional Tags

mixtures and solutions, properties of mixtures and solutions

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Instructional Ideas

• Have learners create a graphic organizer comparing and contrasting mixtures and solutions
  

Classroom Considerations

• Some materials are necessary; see resource for complete list
• There is an associated activity, Messin' with Mixtures, for the lesson

Pros

• Includes a list for relevant vocabulary, along with their descriptions
  
• Provides some options for pre-lesson, post-introduction, and lesson summary assessment

Cons

• Very little student involvement may hurt interest in the activity