Acids, Bases, Liquids and Launching a Rocket
By
Morgan Ilgen
Contents
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Review..........................................................................
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Chapter 1: Introduction
Problems Statement
ading towards earth at a fast rate. We have recently discovered a chemical reaction that makes a g
e, the name of this gas unknown. We must design and build a rocket that is capable of harnessing
troy the asteroid. There is one problem to this mission. We do not remember the two chemicals w
o figure out the two chemicals used to make the gas, and to have enough time to build the rocket
Experimental Hypothesis
soda, then the reaction will create the most amount of gas.
with baking soda, then there will be a moderate reaction.
ing soda, then there will be a sizzle, and then nothing.
aking soda, then there might be a small reaction.
g soda, then there will be nothing.
ing soda, then there will be nothing.
da, then there will be no reaction.
king soda, then there will be absolutely no reaction.
Chapter 2: Literature Review
Chapter 3: Methodology
Material
Type of Variable
Material
Type of Variable
Baking Soda
Control
Water
Independent
Lemon Juice
Independent
Balloon to capture Extraneous
gas
Plastic soda bottle
to mix baking
soda and liquid
Control/Extraneous Vinegar
Independent
Measuring spoons
Control
Mouthwash
Independent
String to measure
circumference
Control
Maple syrup
Independent
Ruler to measure
string
Control
Stain remover
Independent
Hydrogen
peroxide
Independent
Gatorade
Independent
hat is changed by the scientist. To insure a fair test, a good experiment has only one independent variable. As the scientist chang
vations on the dependent variable to see how it responds to the change made to the independent variable. The new value of the d
dent variable.
e variables that influence the relationship between the variables that an experimenter is examining.
d variables. Controlled variables are quantities that a scientist wants to remain constant, and he must observe them as carefully as
Procedure
rce to extract your dye from. Good candidates are: blueberries, cranberries, beets, yellow oni
etc.
is large, you will need to finely chop it into little pieces. If the color is concentrated in
to peel the skin off and use only the skin.
al to your saucepan and add water just enough to cover.
simmer covered on the stove for approximately 10–15 minutes. The pigment from the plant materi
ucepan.
water is too faint, you may want to concentrate the color by removing the lid of the saucepan
ving behind a darker liquid.
e water is rich in color, remove the saucepan from the heat and allow the dye to cool.
ur homemade dye, you will want to compare it to a dye from a similar color of water-soluble ma
filter (or of filter paper from a scientific supply company) into 1 inch wide and 10 inch lon
op of the filter strip, and push a straw through the hole.
g your filter strip into a glass jar, so that just the bottom part of the filter strip touches
y.
er strip, and place about 1 inch of water into the bottom of the jar.
r filter strip, place a spot of your dye 2 inches from the bottom of the strip.
y. If after drying the spot is too faint, you will need to repeat steps 12 and 13 to make your
r strip with a spot of your water-soluble marker 2 inches from the bottom.
ry, hang the strips in your chromatography chamber, the level of the water should be below the
be 2 inches above the bottom of the jar.
er moves up the filter strip, what happens?
es the top of your strip, and you can see that the colors have separated, remove your strips f
by side to compare the color components. Make a drawing of each strip, what do you notice? Ma
make your dye into a marker. First, you will need to get a 1/2 inch diameter cotton cording a
ng that is 1/2 inch longer than your straw.
ording into a cup and add your dye, soak the cord in the dye.
iece of cording through your drinking straw. Watch out, this will be messy!
straw and plug with a small piece of clay.
ng hang out of the other end of the straw, this will be the end you will use to write with.
write a message or draw a picture with your new homemade marker!
Chapter 4: Results
c, Autumn, and Shane
Date: 3/31
Tested Liquid
Circumference in
inches
Circumference in
inches
Test 1
Test 2
Notes or
Comments/Observations
Water
--
--
Pre-Tested
Lemon Juice
9 in.
8in
VERY BAD SMELL!
Vinegar
9.5 in
N/A
OMG!! SMELLED
HORRIBLY!
Mouthwash
5 in
N/A
Small reaction
Maple syrup
No Reaction
No Reaction
yummy smelling, but
very very sticky!
Stain remover
No Reaction
No Reaction
SMELLED!!!
Gatorade
4.5 in
N/A
No smell! YAY! Small
reaction.
Hydrogen peroxide
No Reaction
No Reaction
bad smelll
th the vinegar and lemon juice. I predicted that the lemon juice, vinegar, and mouthwash were go
yrup and the water were going to make no reaction. The Maple syrup, stain remover, hydrogen p
egar, Gatorade, and mouthwash are the only acidic ones. The rest didn’t react to the baking soda
Chapter 5: Discussion
moon juice and gummyberry juice were the
hat both moon juice and gummyberry juice
ng to also create a reaction, however it
actant. I found that only two of the one
most reactant liquids with baking soda.
would be the most reactant. However, I
did not. Overall, I had predicted that
that I predicted were actually reactant
extraneous variables that may have had an impact on the outcome of the experime
be repeated, I would make the following changes......
his experiment, the researchers would suggest that gummyberry juice and moon jui
en juice and dragon's blood are.....this is because gummyberry juice and moon ju
soda to create........, while the other juices are......and they cause no react
References
est.org/J001539/
om/files/react_acidbase.html
om/map.html
sciencebuddies.org/science-fair-projects/project_experiment_fair_test.shtml