CHEMISTRY LAB 5 NAME___________________________ DATE______________
MISS SARA CARBALLO
Separating Mixtures
Problem:
Can we make a mixture?
Hypothesis: IF____________________________________________________________
Then we have made a mixture.
Materials:
Filter paper
Funnel
Sand
Salt
iron filings
wood shavings
magnet
beakers
spoons
tray plates
Procedure:
Fold filter paper in fourths. Put filter paper into funnel (cone shape). Add a little water to make
the filter paper stick to the sides of the funnel. Put funnel into 250 mL beaker. Dry 100 mL beaker
and spoon.
Add 1 scant teaspoon sand to 100 mL water beaker.
Add 1 scant teaspoon salt to 100 mL water beaker.
Add 1 teaspoon wood shavings (sawdust) to 100 mL water beaker.
Add ½ teaspoon iron filings to 100 mL water beaker.
One lab partner should stir. The other lab partner should measure 20 mL water using the
graduated cylinder. Leave the magnet in the plastic bag.
Use the magnet and stir for one minute. Tap the magnet gently on the side of the beaker to
dislodge the wood shavings. Complete the Magnetic column in the data sheet. Put a few iron
filings back into the 100 mL beaker.
One lab partner should take the magnet to the back table and put the iron filings into the blue
tray.
The other lab partner should add the 20 mL water to the 100 mL beaker and stir for one minute.
Measure 20 mL water, using the graduated cylinder. Add 20 mL water to the 100 mL beaker and
stir for one minute (40 mL total water in beaker). Make observations. Fill out Dissolve Column and
Floats Column on Data Sheet.
Use the spoon and scoop out most of the sawdust and place on the paper towel. Leave a few
pieces.
One lab partner should put the sawdust in the blue tray on the back table. Stir the contents of the
100 mL beaker and then pour into the filter paper in the funnel. Measure 20 mL water and pour
into 100 mL beaker. Swirl the beaker and pour into funnel.
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LAB 5
CHEMISTRY LAB 5 NAME___________________________ DATE______________
MISS SARA CARBALLO
One lab partner should rinse out the 100 mL beaker in the sink. Make observations of the filtration
system. Complete the Filtered column on the data table. Put the filter paper and contents in the
blue tray on the back table. Clean up everything at your lab table.
MAKE OBSERVATIONS.
Substance
Dissolves in
water
Floats in Water
Magnetic
Filtered
Salt
Iron
Sand
Sawdust
Analysis and Conclusion Questions
1. Describe how each substance was able to keep its own physical properties when it was mixed
with another substance.
2. How do you know that each combination was NOT a chemical combination?
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LAB 5
CHEMISTRY LAB 5 NAME___________________________ DATE______________
MISS SARA CARBALLO
3. If small pieces of plastic yogurt cup, aquarium gravel, sugar, and finishing nails were mixed
together in one container, how would you separate the mixture? List the steps in the order you
would do them.
Step
Substance
Separated from Mixture
How would you separate it?
1.
2.
3.
4.
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LAB 5