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POLL: VOLCANO EXPERIMENT?

You can create your own volcano by following the steps below: (PLEASE read all the infobelowThere's a question at the end.)WHAT YOU WILL NEED:Baking sodaVinegarFood coloring (optional)Dish soapEmpty bottled waterWHAT TO DO:(1) First you need to go outside in order to do this volcano experiment.(2) You can make a volcano by digging a hole in the groundMake sure that there's sandPlace the bottled water inside the ground(center) (3) Add 3 spof baking soda.(4) Add 2 spof dish soap.(5) Finally, add 1 small cup of vinegar.WE KNOW THAT IT WILL ERUPT BECAUSE YOU ADD VINEGARBUT HERE IS THE QUESTION: (below)HOW CAN YOU MAKE THE VOLCANO ERUPTION, ERUPT HIGHER? IT ERUPTS, BUT NOT HIGH ENOUGHIF YOU KNOW, THEN PLEASE ANSWER THE QUESTION.

Answer:

Confine the eruption for a whileBack fill the sand against the bottle before adding the vinegarInstead of just letting the volcano fizzle and release its pressure as soon as the mixing starts put a cork into the top of the water bottlePressure will accumulate until it is strong enough to blow the top outTHe more tightly you cork it the more dramatic the eruptionYou can get a much better explosion using shredded, tightly balled aluminum foil with muriatic (weak hydrochloric acid)The aluminum foil must be clean- unusedTear it in small strips and squeeze it tight, than drop them into a watter bottlePut in the acid and screw or cork the topThen back offCompacting the aluminum slows down the reaction giving you time to get awayIf you use a cork it will blow off satisfactorilyIf you screw a cap back on the whole bottle will blow up, even more funIt will make your back yard volcano a veritable KrakatoaGreat funDangerous but great fun.
That would work in principle - however the energy needed to freeze a sufficiently large mass of ice would be somewhat prohibitive if the object were as large as a shipIt may be easier to tow a large ice berg into position and use it as a base to pull the object up.

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