Use properties to separate the components of a mixture.
Students design an experiment using the properties of matter to determine the percentage of each component of a mixture of sand, salt, and iron filings.
1. D: Compounds
Process Skills Checklist
(Use Physical Science lab sheet)
- Mixture of sand, salt, and iron filings (different percentages)
- deionized water
- filter paper
- stirring rod
- two evaporating dishes
- ring stand and clamp
- clay triangle
- ceramic squares
Goggles and aprons; open flame is used