Lots of great science videos from steve spangler dubbed the science. Standing at arms length light the whoosh bottle by putting the splint about 2cm into the top of the neck. Then move on to the second level, the symbolic, for example using a. A mixture of alcohol and air in a large polycarbonate bottle is ignited. It is the decrease in pressure that causes the bottle to.
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. Stay tuned for a miniature explosion with an explanation of science. Speaking of the bottle, demonstrators typically use large polycarbonate bottles. The bottle could be placed on scales or a force sensor to measure the thrust from the ignition. Practice outside or in a room with high ceilings before attempting in a classroom. Whoosh bottle is an exciting, popular demonstration that illustrates the fire triangle. Apr 29, 2014 this is the classic whoosh bottle demonstration with an air pressure twist at the end. A clean, dry bottle is required for each demonstration. After introducing the triangle, share macroscopic examples with students first. The high volatility of methyl alcohol means that it has the potential for. Like snow flakes, these crystals need something on which to grow and they use microscopic impurities in the water or locations on the bottle to do just that. In this experiment, the alcohol acts like the dust, providing something cool for water droplets to attach to.
If the pdf does not display below, you may also download it here. 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. 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. Whoosh bottles are actually pretty easy to do, but i dont recommend doing this unless you have some training and access to a proper space. Note that waiting for the bottle to dry can take a very long time. 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. 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. As a result of the temperature decrease, the pressure inside the bottle decreases as well. 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. 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.
You can read more about this particular experiment in an article in journal of. One or more of the following alcohols, 40 cm of each one used. Imagination station, toledos handson science center, is a vital nonprofit organization that is an integral. Golf ball salt demo longrunning from previous year. There were small flames inside the bottle, and a loud popping loud was. 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. 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. Whoosh bottle cool science experiment lesson plan template and teaching resources. At this point, im just glad kurtzman and orci are off my beloved show. Youre mimicking the part of earths water cycle in which evaporated water water vapor cools and condenses, forming clouds as they connect with dust. Whoosh bottle see handouts for teacher and student. Note that various types of alcohol can be used for this demo. Stand the whoosh bottle on the ground at least 3metres away from audience.
The experiment demonstrates dramatically just how much chemical energy is released from such a small quantity of fuel. This is a simple demonstration of combustion burning a hydrocarbon with oxygen to yield carbon dioxide. The whoosh bottle activity demonstrates the combustion of an. Vapour in a large bottle is ignited resulting in a large blue flame and a whoosh sound. This demonstration from whynotchemeng involves lighting a splint to ignite propon2ol in a 25 litre drinks dispenser bottle. 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. You can view outstanding issues on the whoosh bitbucket page and get help on the whoosh mailing list. Whoosh bottle cool science experiment teaching resources. The alcoholic air ignites, leading to flames and the whoosh sound.
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. The whoosh bottle at makerspace is just a small example of the fun and exciting things we get up to. The technique was devised by dr joe winston of the university of warwick and is regularly used by the royal shakespeare company. Behold the whoosh bottle, sciences coolest fire experiment a corner of youtube dedicates itself to videos of these bottles being set ablaze. How to dramatically demonstrate a combustion reaction whoosh bottle experiment.
You put a plastic bottle of soda pop or water in the freezer for a few minutes to get it ice cold. Remote work advice from the largest allremote company. 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. It takes time to clean and dry once it has been used for a demonstration. Methanol or surgical spirits a mixture of ethanol and methanol. I used to do this with lighter fluid and a 2liter plastic coke bottle but that was not nearly as cool. Instant freeze water bottle slam experiments steve. The first reaction we have decided to film is the whoosh bottle. Requests to functioncall mapping with support for clean and dynamic urls. You can read more about this particular experiment in an article in journal of chemical education here. The document sra006 the whoosh bottle demonstration is resticted to members only. Whoosh can be done with students of all ages you just need to choose an appropriate story. 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.
This ep pssd me off, and im going to tell you exactly why. Dec 18, 2012 compare rate of combustion for different types or concentrations of alcohols. This video is part of the flinn scientific best practices for teaching chemistry video series, a collection of over. The whoosh bottle demonstration resource rsc education. There were small flames inside the bottle, and a loud popping loud was heard. Light a splint on the end of a metre ruler and remove the cup from the top of the bottle. As editor of chem news i have seen the whoosh bottle demonstration at almost. 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. My students and i intend to use a highspeed camera to film a variety of chemistry experiments in slow motion. The small amount of condensed water can then be poured out of the bottle. Burn that nail demo aidan jonah grace connor mr b 8. Another variation on the whoosh bottle theme journal of. A few water droplets on the inside of the bottle do not seem to hinder the combustion.
Professor mike canestaro demonstrates what you can do with a whoosh bottle. 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. 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. Through investigations and based on experimental evidence, i can explain the use of different types of chemicals in agriculture and their.
After recording our observations, we discussed why these were macro, reinforcing that level. For our whoosh bottle project, we chose to create a green flame. Only trained chemists familiar with the hazards associated with this demonstration should perform it. The whoosh bottle is probably the most dangerous thing you. How to dramatically demonstrate a combustion reaction.
Compare rate of combustion for different types or concentrations of alcohols. Bottle, whoosh gl069 banned chemicals and other myths 2018 fully updated and revised in 2018. 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. When the bottle is opened and you hear that whoosh of gas and foam rushing out of the bottle, the concentration of. Please consult your current flinn scientific catalogreference manual for general. Variations on the whoosh bottle alcohol explosion demonstration including safety notes. Whoosh bottle continued 3 21 li scietific c ll ihts esere a long string of paper towels pushed into the mouth. Behold the whoosh bottle, sciences coolest fire experiment. Before each demonstration, inspect the plastic whoosh bottle for grazing, frosting, cracking, or any small flaws. With methanol and ethanol there is a very quick whoosh sound and a blue flame shoots out of the bottle. After the bottle has cooled, the water vapour condenses and may be poured out. Lighting the vapour makes an impressive whoosh sound and flames shoot out of the bottle. The whoosh bottle is probably the most dangerous thing. Isopropyl alcohol is a highly flammable liquid and vapor.
The presence of water reduces the likelihood of dancing flames. 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 gas is forced out of the narrow top of the bottle, creating the whoosh sound. Whoosh bottle demo drew ethanp ethanb aje aidank slomo whoosh bottle videos taken by aj eckstein and edited together by mr. Basically, methanol is placed in a 5 gallon bottle, and a flame is introduced. Whoosh bottle cool science experiment share my lesson. Enhancements of this demonstration, including the use of. The various effects are explained in terms of vapor pressures.
Ninth grade lesson types of reactions demo day betterlesson. Back in the bottle ya may want a bottle or two if youre gonna watch this. The whoosh bottle, which we know and love here at sserc, has become. The whoosh bottle rocket car has been redesigned to be more reusable and more robust, making it even easier to use as a demonstration.
Develop deeper understanding with models feature rsc. 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. 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. A combustion will ensue producing a whoosh and a large, blue jet flame extending 1m from the bottle neck. The dependent variable is when the bottle starts collapsing inwards. With the bottle on the floor and upright ignite the vapour from a safe distance. There were things in there i liked, but there was one very big thing that i didnt. There is more to the whoosh bottle chemical education. 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.
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. The air in the bottle after the whoosh is rather hot. Whoosh bottle and safety discussion chem news magazine. The two previous days consisted day 1 and day 2 links of students participating in the explore stage of inquiry. 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. Environmental education resources to commemorate earth days 50th anniversary.
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. 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 video below shows the technique in action with young people. If you work with really pure water and cool it slowly to produce supercooled water as a liquid, theres different outcome. The whoosh bottle demonstration a mixture of alcohol and air in a large polycarbonate bottle is ignited. These videos are full of great inspiration, to help you turn ordinary science. Never, ever use a pure oxygen environment as the potential for an extremely violent and deadly explosion is possible. Enhancements of this demonstration, including the use of heat. Can anyone care to explain the scientific concepts of exothermic reaction, combustion reaction, and heat of combustion behind the whoosh experiment.
Before you jump ahead to the explanation, stop to ponder how this works. The combustion will not take place this time as discussed in the chemistry section. 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. After removing the top, excess ethanol is shaken from the jug, and placed i. 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. The demonstration is performed with a dry fivegallon 20litrewater jug. Whoosh bottle in slow motion 116th speed did you know.
It may be necessary to put out a small flame on top by covering the jug opening with a beaker. Rumble the whoosh bottle at makerspace is just a small example of the fun and exciting things we get up to edit. The butanol has the best explosion, and the flame also lasts the longest out of the four alcohols. 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. The basic concept is teaching inquiry thinking through a series of inquiry labs and question development for a research, science fair project. Explain to students that a mole is just a number, just like dozen of eggs means 12 eggs, a mole of eggs would be.
Apparently its dangerous though and the bottle can explode. Variations on the whoosh bottle alcohol explosion demonstration. 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. Air pressure can crusher experiments steve spangler science. Using a lit splint attached to a metre rule, ignite the vapours by introducing the flame to the bottle neck. Its still a liquid when you take it out to enjoy but the second you twist the cap, the liquid instantly turns to slush. Allow the bottle to cool slightly, which will allow water vapour generated in the reaction to condense.
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