1. How can you separate a mixture?
Physical Change

2. Our mixture is made up of …
Sand
Salt
Iron Filings
Brass Shavings
Styrofoam

3. List the physical characteristics of each substance.
Sand
Brownish color
Fine grained size
Will not dissolve in water
Gritty

4. Sand
Not soluble in water
Not magnetic
Grains too large to fit through filter paper
Density is greater than 1 g/cm3

5. Salt
Soluble in water
Not magnetic
Grains too large to fit through filter paper unless dissolved
Density is greater than 1 g/cm3

6. Iron
Not soluble in water
Magnetic
Grains too large to fit through filter paper
Density is greater than 1 g/cm3

7. Brass shavings
Not soluble in water
Not magnetic
Grains too large to fit through screen / sifter
Density is greater than 1 g/cm3

8. Styrofoam Not soluble in water Not magnetic
Grains too large to fit through filter paper
Density is less than 1 g/cm3

9. Will any of these physical characteristics that make it different (unique) from the other four substances?