Funded by the soybean checkoff.
Funded by the soybean checkoff.
www.ilsoy.org
www.ilsoy.org
Scientific
Discovery
Scientific
Discovery
GRADES
GRADES
Discoveries from U.S. soybean
Discoveries from U.S.
soybean
farmers
and their checkoff.
farmers and their checkoff.
Dissolve
or Not Dissolve
It’s Your
Density
Experiments using various substances to explore solubility, surface
Explore the relationship between mass and volume. In this
tension and diffusion.
experiment, you determine the weight of various materials
s the Word?
occupyingWhat’
the same
space.
solvent, diffusion, organic, lecithin, surface tension
What’s the What’
Word?s the Mystery?
density, mass, volume
A solvent is a liquid that dissolves another substance, forming what is known as a solution. Water is
What’s the sometimes
Mystery?called the “universal” solvent because almost everything dissolves in it. But water cannot
all substances,
as oils and
Density is thedissolve
relationship
between such
the amount
of fats. Manufactured solvents, such as turpentine, are used to
oil-based
out space
of brushes.
material in anwash
object
(mass)paints
and the
thatDry-cleaning fluid is manufactured organic solvent used to dissolve
oily spots
from clothing.
many organic solvents can be harmful to those who misuse them.
the object occupies
(volume).
In thisUnfortunately,
experiment, you
have
some
solvents that are safer and more effective. One such solvent is made
will determineChemists
the weight
ofdiscovered
the various
materials
theamount
oil of soybeans.
occupying thefrom
same
of space. You should be
able to make predictions about the density of the
What You Need
materials you test.
Kool-Aid, Campbell’s chicken soup mix, powdered baking cocoa,
Nesquik, denser?
soy flour, sugar, soybean oil, water, clear plastic
Activity 1:Nestlé
Is thicker
cups, stir sticks
What You Need
What to Do
Soybean oil (found in grocery stores as vegetable oil)
Soy sauce 1. Review the nutrition facts and ingredient labels of the
products
you will be testing. List which contents are from
10-ounce clear plastic
cups
soybeans?
Measuring spoons
2. When a material dissolves in water, it mixes with the water,
Scale
becoming difficult to identify or separate from the water. First, predict which of the materials will
Marker or crayons
dissolve when mixed with cold tap water. Write “yes” or “no” in the blank spaces under the column
What to Do
labeled “Predictions.”
1. Measure 2 tablespoons of soybean oil and pour it into a clear plastic cup. Measure
2 tablespoons of soy sauce and pour it into another clear plastic cup.
Dissolvability Predictions
Test Results
2. Weigh each cup of liquid and record the weight.
Yes
No
2 tbs of soybean oil and cup = ________________grams
a. Campbell’s chicken soup mix ____________________________
2 tbs of soy sauce and cup = ______________grams
b. powdered baking cocoa ________________________________
Based on what you discovered about the weight of the two materials, do you think that the
Nestlé [Hint:
Nesquik_______________________________________
soybean oil is less dense or denser than the soyc.sauce?
the volumes are equal, only the
d.
soy
flour
___________________________________________
weight is different.] Will the denser liquid float or sink?
e. sugar ______________________________________________
3. Take the soy sauce and pour it into the cup containing
the soybean oil. Describe what you
observe. What does this experiment show about
the
density
of the two liquids?
f. Kool-Aid ____________________________________________
4. Use a marker to draw a picture illustrating the
oil and soy
sauce in the glass. Label both parts
g. soybean
oil__________________________________________
and describe the reaction taking place.
Adapted from materials developed by the United Soybean Board
Funded by the soybean checkoff.
www.ilsoy.org
Funded by the soybean checkoff.
www.ilsoy.org
Discoveries from U.S. soybean
farmers and their checkoff.
3. Fill each glass half full with cold tap water.
4. Place a small amount of the first solute (soup mix) into the solvent (water).
Discoveries from U.S. soybean
farmers and their checkoff.
5. Try stirring and mashing the solute into the solution. After a minute, record your results.
6. Repeat this process for each solute, recording your results asDiscoveries
you go. from U.S. soybean
farmers and their checkoff.
GRADES
7. Which solute(s) took some stirring before dissolving? Which solute(s) seemed impossible to mix even
3. Fillwith
each
glass and
half mashing?
full with cold
tapcombination
water.
stirring
Which
best demonstrated the term diffusion, the mixing of
two
substances
without
the
use
of
stirring?
4. Place a small amount of the first solute (soup mix) into the solvent (water).
5.What’
Try stirring
and On?
mashing the solute into the solution. After a minute, record your results.
s Going
6.Certain
Repeatchemicals
this process
each solute,
recording to
your
results
as you
go. in water. This is demonstrated
can for
be added
to a substance
make
it more
soluble
the comparison
of Nestlé
to the dissolving?
powdered baking
Nestlé
Nesquik
contains
7.byWhich
solute(s) took
some Nesquik
stirring before
Which cocoa.
solute(s)
seemed
impossible
to the
mix soy
even
ingredient,
lecithin.
Soy
lecithin
reduces
the
surface
tension
between
the
water
molecules
and
the
with stirring and mashing? Which combination best demonstrated the term diffusion, the mixing cocoa,
of
allowing
them to mix
easily.the
Theuse
product
without the lecithin (cocoa) prefers to remain in its powdery form.
two substances
without
of stirring?
Scientific Discovery
It’s Your Density
Adapted
Beans
About Water, The between
Ohio State University
1996, FS 4-H
602 G.P.
Explore
the
relationship
massExtension,
and volume.
In this
What’
s from
Going
On?
Compliments of the Ohio Soybean Council
experiment,
you
weight of
various
materials
Certain
chemicals
candetermine
be added tothe
a substance
to make
it more
soluble in water. This is demonstrated
occupying
the
same
space.
by the comparison of Nestlé Nesquik to the powdered baking cocoa. Nestlé Nesquik contains the soy
ingredient, lecithin. Soy lecithin reduces the surface tension between the water molecules and the cocoa,
What’s the Word?
allowing
them to mix easily. The product without the lecithin (cocoa) prefers to remain in its powdery form.
density, mass, volume
Adapted
Beans
About Water, The Ohio State University Extension, 1996, FS 4-H 602 G.P.
What’from
s the
Mystery?
Compliments of the Ohio Soybean Council
Density is the relationship between the amount of
material in an object (mass) and the space that
the object occupies (volume). In this experiment, you
will determine the weight of the various materials
occupying the same amount of space. You should be
able to make predictions about the density of the
materials you test.
Activity 1: Is thicker denser?
What You Need
Soybean oil (found in grocery stores as vegetable oil)
Soy sauce
10-ounce clear plastic cups
Measuring spoons
Scale
Marker or crayons
What to Do
1. Measure 2 tablespoons of soybean oil and pour it into a clear plastic cup. Measure
2 tablespoons of soy sauce and pour it into another clear plastic cup.
2. Weigh each cup of liquid and record the weight.
2 tbs of soybean oil and cup = ________________grams
2 tbs of soy sauce and cup = ______________grams
Based on what you discovered about the weight of the two materials, do you think that the
soybean oil is less dense or denser than the soy sauce? [Hint: the volumes are equal, only the
weight is different.] Will the denser liquid float or sink?
3. Take the soy sauce and pour it into the cup containing the soybean oil. Describe what you
observe. What does this experiment show about the density of the two liquids?
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4. Use a marker to draw a picture illustrating the oil and soy sauce in the glass. Label both parts
and describe the reaction taking place.
Adapted from materials developed by the United Soybean Board