Directions for a Burning Bubbles Science Project

Bubbles are fun no matter what, but bubbles you can burn just has that added extra appeal. Heres an easy science project you can do that proves propellants in common products are flammable and allows you to burn some bubbles. Materials for the Burning Bubbles Project Soapy water or bubble solutionSpray can containing a pressurized flammable propellantLighter or match (preferably long-handled)Cup or bowl A lot of the products you use that come in spray cans use a flammable propellant to disperse their product. Examples include hairspray, canned air, spray paint, antiperspirant, and bug spray. Common flammable propellants include various alcohols, propane, n-butane, methyl ethyl ether and dimethyl ether. You know you have a can containing a flammable product by reading the label. It will include a hazard statement warning you that the contents are under pressure and to keep the can away from heat and flame and that the contents are flammable. Some cans use non-flammable carbon dioxide or nitrous oxide as a propellant (whipped cream and cooking sprays), which wont work for this project. Once you have identified a flammable propellant, one fire-related project is to spray the product and ignite the aerosol, creating a sort of flamethrower. This is not particularly safe. Blowing flammable bubbles and igniting them illustrates the same point without the risk of blowing up a pressurized ca n. Blow Bubbles and Burn Them Pour soapy water or bubble solution into a container.Immerse the nozzle of the can in the liquid.Spray the can, forming bubbles.Remove the can from the liquid and set it a safe distance from the container.Ignite the bubbles, preferably using a long-handled lighter. Do you see why it would be a bad plan to smoke while using hairspray? The effect you get depends on the flammable propellant. The flames dont last long enough (at least in my experience) to set off a smoke alarm or melt a plastic container. Safety Warning This is one of those projects which should only be attempted under adult supervision. Do not get carried away and blow a big mass of bubbles. Igniting flammable materials is associated with risk. Use of proper eye and skin protection is advised. Disclaimer: Please be advised that the content provided by our website is for EDUCATIONAL PURPOSES ONLY. Fireworks and the chemicals contained within them are dangerous and should always be handled with care and used with common sense. By using this website you acknowledge that ThoughtCo., its parent About, Inc. (a/k/a Dotdash), and IAC/InterActive Corp. shall have no liability for any damages, injuries, or other legal matters caused by your use of fireworks or the knowledge or application of the information on this website. The providers of this content specifically do not condone using fireworks for disruptive, unsafe, illegal, or destructive purposes. You are responsible for following all applicable laws before using or applying the information provided on this website.

Essay about Sexual Harassment among Canadian Women, Black...

Project: Rape and Rape Culture 1) What are the main ideas and/or issues of the article as it relates to the chosen topic? Welsh et al. (2006) used data from the research focus groups of Canadian women to discuss the issue of sexual harassment among Canadian women and how the white Canadian women, who are mostly heterosexual, define sexual harassment and rape (objective) versus how the women of color define their experience of rape and sexual harassment in workplace (subjective). According to Welsh et al. (2006), he discussed how race, gender and citizenship are important factors in how Women of color with and without citizenship right define sexual harassment and rape. Sometimes as race and sometimes sees it as an experience they will†¦show more content†¦Textual harassment through the social networking media such as Facebook and e-mail, contribute to abuse in relationships. From one of the cases narrated in the text, a father of a sexual harassment victim, Cuccia, says that the freedom and private nature of texting causes more harm than good. This is so important to study because in this new t echnology age, teenagers are able to secretly keep their pains, feelings and emotions away from people who could advice them about their relationship issues. Most victims of textual harassment were never sensitive enough to see or report the warning signs because of their relationship with the person. For this reason, more awareness needs to be created especially among teenage girls and college students, of the warning signs of textual harassment. It has become the job for everyone of us to protect ourselves by watching out for those warning signs, by monitoring e-mails or messages exchange and should never contemplate reporting to the appropriate authorities. 3) In what ways are the ideas and/or issues presented in the article related to the textbook reading? In what ways are they similar? In what ways are they different? Welsh et al. (2006) discusses the white privilege of white women over black women in cases of rape and sexual harassment. The article argues that race, gender and citizenship play an important role in how women of color define sexual harassment. The white women are notShow MoreRelatedThe Role Of Police Officers And Deviant Behaviors Within Police Environment1768 Words   |  8 Pagesefficient is the whole criminal justice system. The Criminal code and various provincial statutes are the mandates that provide Canadian police officers the authority to exercise their discretion. The criminal code provides the authority to arrest (section 495), to use force (section 25), to search (with a warrant, section 487), and to obtain DNA samples (section 487.05).among others (Curt T. Griffiths, 2012).The use of force including lethal force is governed by both law and policy. 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Alliteration and Symmetry in Sir Gawain and the Green Knight Free Essays

Note on poetic meter: Gawain is typical of Middle English alliterative poems in that it is written in alliterative long lines, following the basic metrical principles of Old English verse. Each long line consists of two half-lines, each half with two stressed syllables and a varying number of unstressed syllables. Most importantly, the two half lines are connected by alliteration ? that is, repetition of the same consonant sound on at least two, often three, of the stressed syllables. We will write a custom essay sample on Alliteration and Symmetry in Sir Gawain and the Green Knight or any similar topic only for you Order Now For example, the poem begins: â€Å"Sithen the sege and the assaut was sesed at Troye† (line 1), with the â€Å"s† sound recurring five times within the single long line. The long lines do not rhyme with each other. However, they are organized in stanzas of fifteen to twenty-five lines, and each stanza concludes with a construction known as a â€Å"bob and wheel. † This term refers to a group of five short lines, which do rhyme, to the pattern of ababa. If you are not reading Gawain in the original Middle English, the poetic structure may not be maintained in the translation. Some modern English translations keep the rhyme and meter strictly; others are only prose translations. SYMMETRY Sir Gawain and the Green Knight has a symmetrical structure. Everywhere in the poem is balance, contrast and antithesis. The poet highlights number symbolism to add symmetry and meaning to the poem. For example, three kisses are exchanged between Gawain and Bertilak’s wife; Gawain is tempted by her on three separate days; Bertilak goes hunting three times, and the Green Knight swings at Gawain three times with his axe. The number two also appears repeatedly, as in the two beheading scenes, two confession scenes, and two castles. [55] The five points of the pentangle, the poet adds, represent Gawain’s virtues, for he is â€Å"faithful five ways and five times each†. [56] The poet goes on to list the ways in which Gawain is virtuous: all five of his senses are without fault; his five fingers never fail him, and he always remembers the five wounds of Christ, as well as the five joys of the Virgin Mary. The fifth five is Gawain himself, who embodies the five moral virtues of the code of chivalry: â€Å"friendship, generosity, chastity, ourtesy, and piety†. [57] All of these virtues reside, as the poet says, in the â€Å"Endless Knot† of the pentangle, which forever interlinks and is never broken. This intimate relationship between symbol and faith allows for rigorous allegorical interpretation, especially in the physical role that the shield plays in Gawain’s quest. [ 59] Thus, the poet makes Gawain the epitome of perfection in knighthood through number symbolism. The number five is also found in the structure of the poem itself. Sir Gawain is 101 stanzas long, traditionally organised into four ‘Fitts’ of 21, 24, 34, and 22 stanzas. These divisions, however, have since been disputed; scholars have begun to believe that they are the work of the copyist and not of the poet. The original manuscript features a series of capital letters added after the fact by another scribe, and some scholars argue that these additions were an attempt to restore the original divisions. These letters divide the manuscript into nine parts. The first and last parts are 22 stanzas long. The second and second-to-last parts are only one stanza long, and the middle five parts are eleven stanzas long. The number eleven is associated with transgression in other medieval literature (being one more than ten, a number associated with the Ten Commandments). Thus, this set of five elevens (55 stanzas) creates the perfect mix of transgression and incorruption, suggesting that Gawain is faultless in his faults. The format of â€Å"Sir Gawain and the Green Knight† works on the principles of repetition and multiplication. Think about the number of departures for adventure, the almost eerie property of â€Å"threes,† the characters who play multiple roles, the five points of the pentangle and so on. How to cite Alliteration and Symmetry in Sir Gawain and the Green Knight, Papers