Chemical and Physical Changes
Grade Level: Middle School
DCI: Matter and Its Interactions
Students investigate chemical and physical changes while looking for common evidence for both.
The Biodiesel Lab
Grade Level: High School
DCI: Matter and Its Interactions
Students explore pH and pH indicators with at-home materials. In this activity, students learn how titration is used in the production of biodiesel fuel and are challenged to conduct their own titration to determine the concentration of acetic acid in vinegar.