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Scientific Method - Coffee Lab

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In this hands-on lesson, students design and execute an experiment to maximize caffeine extraction when making coffee. The caffeine testing is conducted using a Spectrometer. The focus of this lesson is on identifying independent, dependent and control variables.

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Grades: 9th Grade, 10th Grade, 11th Grade, 12th Grade
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In this lesson students explore the relationship between pigmentation and light absorbance. Students will use a spectrophotometer to analyze pigment samples and record the absorption spectrum for