2. We all know that balloons, wheninflated with helium,
floatbecause helium is lighter thanair. But have you ever
thoughtabout blowing up a heavy balloonthat will be heavier than
air?When you fill a balloon withcarbon dioxide, you can do
justthat. INTRODUCTION 3. Vinegar and baking soda combine tomake
carbon dioxide. Vinegar is aliquid made up of acetic acid andwater.
Baking soda is a white powderysubstance and a chemical salt
alsoknown as a base. When a base (bakingsoda) and an acid (vinegar)
react, itcreates carbon dioxide.BACKGROUND 4. We think that the
balloon wefilled with carbon dioxide willbe heavier than the
balloon wefilled with air. When bothballoons are dropped from
aheight of about six feet, thecarbon dioxide balloon willdrop
faster because of itsweight.HYPOTHESIS 5. MATERIALSThis experiment
requires basicmaterials. We need a one smallfunnel, two balloons,
one empty20 ounce bottle, vinegar, andbaking soda. You can find
allthese items at your local supermarket. 6. PROCEDURESThe first
step to this experiment isto put three tsp. of baking soda in
anempty 20 oz. bottle, then using afunnel, fill a balloon with
vinegar till itis nearly full. Next stretch theopening of the
balloon over thebottles opening, then let the vinegarescape into
the bottle. When theballoon starts to expand take it offand tie it.
Blow up another balloon thesame size using your air then drop
thetwo balloons from the same height. 7. Baking soda and vinegar
react,creating a chemical reactionwhich can expand and overflow.To
be safe you should wearsafety goggles and put newspaperdown at your
work space, becausethis experiment can be messy.SAFETY 8.
OBSERVATION As we did our experiment we noticedthat when the
vinegar started to mixwith the baking soda, the sound itmade
sounded like fizz. It alsolooked liked a sprite juice. Theballoon
filled up fast, but only to asmall size. It smelt like vinegar.When
we dropped the two balloonsthe CO2 filled balloon would alwaysbe
the first one to hit the ground. Iteven felt heavy too! 9.
EXPLANATIONThe reason why this balloon is heavieris because the
baking soda and vinegarreact to form carbon dioxide gas,which will
fill the balloon. Carbondioxide weighs three times more thanair so
the CO2-filled balloon will fallmuch faster that the air-filled
balloon.The chemical equation for thisexperiment isHC2HO2+NaHCO3
NaC2H3O2+H2O+CO2vinegar baking soda sodium acetate water carbon
dioxide 10. CONCLUSIONIn conclusion, we hope youlearned something
new aboutwhat happens when baking sodaand vinegar is combined to
formcarbon dioxide. This experimentis very easy and we
encouragethat you try this too. Thank you!
