Encourage your classes to be laundry helpers! Learners explore the chemistry of stain removal with a lab investigation. By identifying the components of the stain, they identify the most effective solute for its removal.

Concepts

solubility, solvents, solutes, polarity, water, oil, oxidation, reduction

Show More Show Less

Additional Tags

science

Show More Show Less

Instructional Ideas

• Invite a dry cleaner to speak about the chemical processes involved in their craft

Classroom Considerations

• Assumes a solid understanding of solutes and solvents
• Requires time for collecting and preparing materials

Pros

• Allows pupils to make decisions on process and procedure
• Includes all necessary background knowledge

Cons

• None