This activity involves making cleansing cream and discovering the answers to these questions. Scientific Inquiry Students identify questions and concepts that guide scientific investigations. They discuss why cleansing cream removes makeup and they suggest possible ingredients used in cleansing cream.
Students compare the homemade cleansing cream to commercial products.
Students should use the evidence they collect to propose explanations for why cleansing cream is able to remove makeup. Based on observations, students discuss the role of stearic acid in the cleansing cream. Abilities of Technological Design Students implement a proposed design, making their own cleansing cream by measuring and mixing paraffin, mineral oil, and other substances. Students evaluate completed technological products by comparing their homemade cleansing cream with commercial cleansing cream, using their senses of touch, smell, and sight. Properties and Changes of Properties in Matter, Grades 5-8 Substances have different characteristic properties.