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Purpose:
To separate a heterogeneous mixture based on physical properties and determine the mass of each component.
Summary:
Students will work as a team to design an experiment to separate the components of a heterogeneous mixture, determine the masses of each component, and calculate the percent error of the masses.
Objectives Links:
3: D. Composition of Matter
Process Skills Checklist
Materials (per group):
- mixture of sand, salt, and Fe filings
- 2 evaporating dishes
- filtrating and decanting equipment
- 2 watch glasses
- magnet
- burner apparatus
- kleenex or paper towel
- deionized water
- weighing boats
- rubber policeman
- calculator
- sharpie marker
Safety Concerns:
Wear goggles & aprons, practice standard flame precautions and glassware safety.
Revision Date:
August 2006
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