There is more to the whoosh bottle chemical education. Basically, methanol is placed in a 5 gallon bottle, and a flame is introduced. In order to do this we found that we would need boric acid, sulfuric acid, and the two other ingredients necessary to make the whoosh bottle, methanol and oxygen. Another variation on the whoosh bottle theme journal of. Light a splint on the end of a metre ruler and remove the cup from the top of the bottle. Bottle, whoosh gl069 banned chemicals and other myths 2018 fully updated and revised in 2018. One or more of the following alcohols, 40 cm of each one used.
Can anyone care to explain the scientific concepts of exothermic reaction, combustion reaction, and heat of combustion behind the whoosh experiment. Whoosh bottle cool science experiment teaching resources. Then move on to the second level, the symbolic, for example using a. The presence of water reduces the likelihood of dancing flames. Stay tuned for a miniature explosion with an explanation of science. Apparently its dangerous though and the bottle can explode. If you work with really pure water and cool it slowly to produce supercooled water as a liquid, theres different outcome. There were things in there i liked, but there was one very big thing that i didnt. The air in the bottle after the whoosh is rather hot. Note that various types of alcohol can be used for this demo.
The whoosh bottle demonstration a mixture of alcohol and air in a large polycarbonate bottle is ignited. The explosion or burning of methanol, ethanol, npropanol, and isopropanol in large smallnecked bottles when ignited with a match has been studied with respect to the nature of the alcohol, temperature, concentration dilutions with water, oxygen concentration, plastic versus glass bottles, and salts added for color. Speaking of the bottle, demonstrators typically use large polycarbonate bottles. When the bottle is opened and you hear that whoosh of gas and foam rushing out of the bottle, the concentration of. Standing at arms length light the whoosh bottle by putting the splint about 2cm into the top of the neck. As editor of chem news i have seen the whoosh bottle demonstration at almost. Turn on looping for your embedded video so it will play over and over and over and over and over and you get the idea.
This is a simple demonstration of combustion burning a hydrocarbon with oxygen to yield carbon dioxide. My students and i intend to use a highspeed camera to film a variety of chemistry experiments in slow motion. The whoosh bottle activity demonstrates the combustion of an. The first reaction we have decided to film is the whoosh bottle.
Variations on the whoosh bottle alcohol explosion demonstration including safety notes. Burn that nail demo aidan jonah grace connor mr b 8. Imagination station, toledos handson science center, is a vital nonprofit organization that is an integral. Whoosh bottle demo drew ethanp ethanb aje aidank slomo whoosh bottle videos taken by aj eckstein and edited together by mr. The two previous days consisted day 1 and day 2 links of students participating in the explore stage of inquiry. With propan1ol and propan2ol, the sound is similar but the reaction is slightly slower, easier to observe, and blue and yellow flames may be observed dancing in the bottle.
The whoosh bottle at makerspace is just a small example of the fun and exciting things we get up to. Whoosh bottle cool science experiment lesson plan template and teaching resources. The technique was devised by dr joe winston of the university of warwick and is regularly used by the royal shakespeare company. Compare rate of combustion for different types or concentrations of alcohols. The various effects are explained in terms of vapor pressures. Using a lit splint attached to a metre rule, ignite the vapours by introducing the flame to the bottle neck. This provides authoritative guidance on the use of more than 50 chemicals, resources or activities commonly found in school science and which have, in the past, bee. Good laboratory practices, data analysis, technical reports and full lab reports. Lessonunit title inquiry thinking through the curriculum this project does not fit nicely into a lesson plan format given that it is a concept that is woven into the yearlong curriculum. The whoosh bottle demonstration resource rsc education. This ep pssd me off, and im going to tell you exactly why.
The whoosh bottle is probably the most dangerous thing. The high volatility of methyl alcohol means that it has the potential for. In this shot, my chemistry teacher partially visible on the right has just used a flaming splint to ignite the whoosh bottle, igniting the ethyl alcohol vapors inside the bottle. Whoosh can be done with students of all ages you just need to choose an appropriate story. I used to do this with lighter fluid and a 2liter plastic coke bottle but that was not nearly as cool. Environmental education resources to commemorate earth days 50th anniversary. The independent variables are all the things that you do in the experiment, which is put ethanol in the bottle, put a lite match in the bottle, and covering the opening with your hand.
Before you jump ahead to the explanation, stop to ponder how this works. As a result of the temperature decrease, the pressure inside the bottle decreases as well. This video is part of the flinn scientific best practices for teaching chemistry video series, a collection of over. Please consult your current flinn scientific catalogreference manual for general. The set of directions from rsc above suggests you have a dry bottle, so that you would need several bottles if you want to do the demonstration during several class periods. These videos are full of great inspiration, to help you turn ordinary science. Apr 29, 2014 this is the classic whoosh bottle demonstration with an air pressure twist at the end. The combustion will not take place this time as discussed in the chemistry section. Isopropyl alcohol is a highly flammable liquid and vapor. In this experiment, the alcohol acts like the dust, providing something cool for water droplets to attach to.
A few water droplets on the inside of the bottle do not seem to hinder the combustion. Requests to functioncall mapping with support for clean and dynamic urls. Showing 11 of 1 responses answer by labsupport on question whoosh bottle submitted by sat on 29 july 2019 the whoosh bottle activity demonstrates the combustion of an alcoholair mixture. The whoosh bottle is probably the most dangerous thing you. Feb 02, 2017 to kick start the reaction, the demonstrator removes the cap and uses a long lighter to introduce a flame at the top of the open bottle.
After removing the top, excess ethanol is shaken from the jug, and placed i. How to dramatically demonstrate a combustion reaction. Only trained chemists familiar with the hazards associated with this demonstration should perform it. Apr 28, 2016 behold the whoosh bottle, sciences coolest fire experiment a corner of youtube dedicates itself to videos of these bottles being set ablaze. During this process they were building a personal understanding of reaction types that might not necessarily be 100% accurate, but can be used as a scaffold to create a deeper understanding through formal explanation lecture. Back in the bottle ya may want a bottle or two if youre gonna watch this.
Although, when we attempted to used butanol in our experiment, only the top would burn, not creating the whoosh effect, of burning throughout the bottle. A clean, dry bottle is required for each demonstration. Whoosh bottle continued 2 21 li scietific c ll ihts esere never, ever use a pure oxygen environment as the potential for an extremely violent and deadly explosion is possible. Youre mimicking the part of earths water cycle in which evaporated water water vapor cools and condenses, forming clouds as they connect with dust. Students will love to see the blue alcohol flame shoot out the mouth of the bottle and watch the dancing flames pulsate in the jug as more air is drawn in. Whoosh bottle continued 3 21 li scietific c ll ihts esere a long string of paper towels pushed into the mouth. Remote work advice from the largest allremote company. Rumble the whoosh bottle at makerspace is just a small example of the fun and exciting things we get up to edit.
With methanol and ethanol there is a very quick whoosh sound and a blue flame shoots out of the bottle. You put a plastic bottle of soda pop or water in the freezer for a few minutes to get it ice cold. The whoosh bottle, which we know and love here at sserc, has become. After recording our observations, we discussed why these were macro, reinforcing that level.
Enhancements of this demonstration, including the use of heat. There were small flames inside the bottle, and a loud popping loud was heard. In this classic chemistry demonstration, a small volume of alcohol usually methanol, ethanol or isopropanol is placed into a plastic container such as a gallon milk jug or 2l soda bottle. You can read more about this particular experiment in an article in journal of chemical education here. A combustion will ensue producing a whoosh and a large, blue jet flame extending 1m from the bottle neck. Apr 29, 2016 people have been doing questionable sht in the comfort of their own homes for years now, but this man lighting up a whoosh bottle might be up there with the very dumbest of them. If the bench is too high, put the bottle on a stool but make sure you do not lean over the mouth of the bottle. Sample teachers manual download pdf explore sample pages from the teachers manual for this product. Explain to students that a mole is just a number, just like dozen of eggs means 12 eggs, a mole of eggs would be.
People have been doing questionable sht in the comfort of their own homes for years now, but this man lighting up a whoosh bottle might be up there with the very dumbest of them. Behold the whoosh bottle, sciences coolest fire experiment a corner of youtube dedicates itself to videos of these bottles being set ablaze. The gas is forced out of the narrow top of the bottle, creating the whoosh sound. Professor mike canestaro demonstrates what you can do with a whoosh bottle. The dependent variable is when the bottle starts collapsing inwards.
So i decided to step it up a bit this year with a demo that was easily repeatable, cheap, and displayed atmospheric pressure with a bit more drama. Methanol or surgical spirits a mixture of ethanol and methanol. Whoosh bottle and safety discussion chem news magazine. Through investigations and based on experimental evidence, i can explain the use of different types of chemicals in agriculture and their. Lighting the vapour makes an impressive whoosh sound and flames shoot out of the bottle. Air pressure can crusher experiments steve spangler science. Dec 18, 2012 compare rate of combustion for different types or concentrations of alcohols. Its still a liquid when you take it out to enjoy but the second you twist the cap, the liquid instantly turns to slush. Never, ever use a pure oxygen environment as the potential for an extremely violent and deadly explosion is possible. How to dramatically demonstrate a combustion reaction whoosh bottle experiment. Whoosh bottle, plastic jug, 5gallon match or wood splint taped to meter stick fire blanket highly recommended safety shield highly recommended funnel, small safety precautions please read all safety precautions before proceeding with this demonstration.
Behold the whoosh bottle, sciences coolest fire experiment. Whoosh bottle see handouts for teacher and student. The video below shows the technique in action with young people. The document sra006 the whoosh bottle demonstration is resticted to members only. Develop deeper understanding with models feature rsc. The basic concept is teaching inquiry thinking through a series of inquiry labs and question development for a research, science fair project. Whoosh bottle cool science experiment share my lesson. Variations on the whoosh bottle alcohol explosion demonstration. The demonstration is performed with a dry fivegallon 20litrewater jug. Golf ball salt demo longrunning from previous year. The experiment demonstrates dramatically just how much chemical energy is released from such a small quantity of fuel. Enhancements of this demonstration, including the use of.
The whoosh bottle rocket car has been redesigned to be more reusable and more robust, making it even easier to use as a demonstration. Apr 29, 2016 rumble the whoosh bottle at makerspace is just a small example of the fun and exciting things we get up to edit. It is the decrease in pressure that causes the bottle to. It takes time to clean and dry once it has been used for a demonstration. The explosion or burning of methanol, ethanol, npropanol, and isopropanol in large smallnecked bottles when ignited with a match has been studied with respect to the nature of the alcohol, temperature, concentration dilutions with water, oxygen.
It may be necessary to put out a small flame on top by covering the jug opening with a beaker. Vapour in a large bottle is ignited resulting in a large blue flame and a whoosh sound. Practice outside or in a room with high ceilings before attempting in a classroom. Before each demonstration, inspect the plastic whoosh bottle for grazing, frosting, cracking, or any small flaws. The resulting rapid combustion reaction, often accompanied by a dramatic whoosh sound and flames, demonstrates the large amount of energy released in the combustion of alcohols. For our whoosh bottle project, we chose to create a green flame. Stand the whoosh bottle on the ground at least 3metres away from audience. The whoosh bottle, named such because of the noise it makes, is a fun little demonstration of, amongst other things, the combustion of vapors and expansion of gases.
The small amount of condensed water can then be poured out of the bottle. After introducing the triangle, share macroscopic examples with students first. Whoosh bottle continued 2 21 l et ll hts esee should be wiped off in order to avoid its igniting and softening the plastic jug. At this point, im just glad kurtzman and orci are off my beloved show.
Many of you may already know this as the whoosh bottle demo due to the immense whoosh like sound it makes when you light the alcohol inside a 5gallon water bottle. You can read more about this particular experiment in an article in journal of. Lots of great science videos from steve spangler dubbed the science. After the bottle has cooled, the water vapour condenses and may be poured out. You can view outstanding issues on the whoosh bitbucket page and get help on the whoosh mailing list. Whoosh bottle in slow motion 116th speed did you know.
In order to reduce the amount of water in the bottle and speed up the drying, try a double rinse of the bottle with a small amount of isopropyl. This demonstration from whynotchemeng involves lighting a splint to ignite propon2ol in a 25 litre drinks dispenser bottle. A mixture of alcohol and air in a large polycarbonate bottle is ignited. The alcoholic air ignites, leading to flames and the whoosh sound. With the bottle on the floor and upright ignite the vapour from a safe distance. Allow the bottle to cool slightly, which will allow water vapour generated in the reaction to condense. Ninth grade lesson types of reactions demo day betterlesson. Lots of great science videos from steve spangler dubbed the science teacher you always wanted. Is using isopropanol as a fuel safer than using ethanol or methanol.
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