|What's the chemical difference between soaps and detergents? How
are they manufactured? How do they work? Your students will answer
these and other questions as they explore commonly used cleansers.
They'll investigate how surfactants reduce surface tension and
evaluate the efficiency of soaps and detergents in emulsifying
fats. The class will also evaluate commercially available soaps
and detergents for their effectiveness and efficiency in cleaning.
Includes enough materials for a class size of 40 students.
Recommended for students in grades 7 through 10. Manufactured by