Chemistry Combustion Basics - Important Points You Need To Know

Chemistry Combustion Basics - Important Points You Need To KnowChemistry combustion is a very complex topic and has to be approached very carefully. It can be very dangerous if you don't know the right procedures, know what you are doing, and of course you have to be able to produce it. Here are some key points you must be aware of to give your system the best chance for success.First, a fire will always start when there is heat, which will also cause a great deal of friction in the fuel. If there is friction, there is something hot, like the burning fuel, that can melt the object it's on. This is why steel is good as a starting material for these processes. It allows the molten metal to jump from one spot to another without melting. All you have to do is heat it up and the metal jumps to another place where the fire can start.Second, when starting a chemistry combustion process, there are many reactants and the product is the byproduct. This is the same as the first point. The bypro duct is the chemical that has been put into the process. The reactants include the gas in the flames, oxygen and the fuel. The byproduct is called the finished product.Third, when starting a fire in a chemistry process, you need to first do a temperature drop to get the fire going. The flame itself needs to be hot enough to get the oxygen flowing. The bottom line is that the more oxygen the flame has, the easier it is to start the fire.Fourth, when you are ready to start the fire, the flame should be just starting to get going. Do not try to force the fire or the flame will get blocked. Once the fire starts, it's going to be very hot and quite a mess. After it's started, you need to keep it going until the product gets absorbed by the next step of the process.Fifth, there are many different types of flames to use, and they all have different types of temperatures they can get and a heat source they can use. When using the oxygen, you will want it to be at about one hundred thirty de grees Fahrenheit. That's the temperature of water, which means it can hold moisture, but it can't get too much or the flame can go out.Sixth, flame blackening is an easy way to begin a chemistry combustion. The heat source used in this method is a bit more than you might normally use. For the flames to be effective, they have to be hot. This is why they start off being a bit more intense than the usual. The best thing about this is the flames get darker faster.The final thing to remember is that the fire can go out, and even the best fire can burn down. This is why you have to be careful. You need to be prepared for any situation, and fire is one of the most common problems in chemistry combustion processes.

Tips For Tuting ESL Students

Tips For Tuting ESL StudentsIf you want to be the best tutee, or teacher in your school or at home, you must have some tips for tutoring ESL students. Without proper teaching, there is no way you can become the best. You can teach someone something, but it is the person that you are teaching that will learn how to do it.If you know you can teach English as a second language because of your background and learning experience, you need to keep in mind the teaching style that is most suited to your personality. In the beginning, when ESL classes are very new to you, it can be difficult to develop the correct teaching style. However, it is important to get your feet wet as a teacher. Get comfortable with your approach and your teaching style.This means that you should continue to read and reread the lesson plans, classroom manuals, and ESL-to-English audio material until you become comfortable with how the students learn English. You must also understand that most ESL teachers, whether t hey are working with ESL students, native English speakers, or children, have similar personalities and learning styles. There is no right or wrong way to teach, but it is crucial that you are comfortable with teaching.It can be difficult to teach all at once. You need to find the sweet spot where you can teach while still maintaining your flow of communication and being clear and efficient in your lessons. A common mistake is not setting the tone of the class. It is important to set the tone of the lessons to suit the students.For example, if you work with only three native speakers for ESL-to-English classes, they may not be interested in learning how to write and speak in English. However, if you teach them a lesson plan that encourages speaking and writing in English, they will likely become more enthusiastic about it. When they are more interested in the English language, they will learn the meaning of what you say.Some tips for tutoring ESL students include having regular chat s with them. You should be able to visit the home or office of each student. For example, if you know that a student is a home schooling parent, you should discuss the expectations and goals of that student and see how you can help them.If you know that the student has a hearing problem, you may want to make sure you mention that. You can also help them by talking with the teacher about what they need to do to prepare for the test. Remember that you can be the best teacher in the world, but you cannot become the best by just becoming comfortable with the ways you teach.

Valedictorian Title Losing Its Prestige

Valedictorian Title Losing Its Prestige For years, the valedictorian title has been for a schools best academic performer. There was only one student who received this top honor. However, many high schools are beginning to honor multiple valedictorians, according to an article in The New York Times. The prestige and honor that has always come with the valedictorian title is fading quickly as more schools pick up on this trend. Teachers and administrators are now giving the title to every straight-A student, instead of picking the best individual out of the class. Principals and administrators are offering multiple valedictorian titles in efforts to reduce competition and pressure among students. They believe that its not fair to better honor the top student over the 5th best student, especially when the differences in their GPAs are miniscule. Parents love to see their kids honored as the top performers in their high schools. However, some believe that it has gone too far, stating that this is another ploy by high schools to inflate and over exaggerate their students abilities. Critics of this trend state that, although it honors more students, it takes focus away from the single best student of that high school class. This then lessens that schools actual valedictorians chances of getting accepted into elite colleges. Those who favor this trend and the critics both agree that it is a blatant effort to increase a high schools notoriety. Its honor inflation, said Chris Healy, an associate professor at Furman University. He also said that honoring too many students as valedictorians could leave them ill prepared for the competition in college and the work field. I think its a bad idea if youre No. 26 and youre valedictorian. In the real world, you do get ranked. Some high schools are honoring up to 94 students as valedictorians. Other schools are honoring as high as 6.5% of the graduating class as valedictorians. This increases students chances of being honored, and most students like this trend. Some schools are recognizing every student who receives straight-As throughout high school, regardless of the level of their classes, as valedictorians. Other schools weight grades, showing favoritism to students who take harder, upper-level courses. Recently, many high schools have tried to increase their notoriety by adding more Advanced Placement classes and allowing more students to take them. High schools have altered their GPA scales; so students can receive a 5.0 instead of a 4.0 in certain advanced classes. This can drastically increase a students overall GPA. High schools are trying to make their students look better than other, competing schools, in attempts to place more students in the nations elite colleges. However, most high schools continue to claim that they are not lowering the bar by making classes easier. So, students are not learning less in an effort to look better. Most education administrators and officials place credence in this claim. It is expected that these trends of inflating students abilities will continue. High schools are beginning to understand that they need to do so in order to compete and place students at top colleges.

How Well Do You Know Spanish 15 Ways to Test Yourself

How Well Do You Know Spanish 15 Ways to Test Yourself Suzy S. How much do you really know from your Spanish lessons or classes? While there are a few Spanish proficiency tests available online, theres an easier way to test yourself: simply ask yourself 15 practical questions. Read on as Fairfax, CA tutor  Jason N.  explains Learning Spanish can enhance your life in innumerable ways, such as having more competitive job opportunities, understanding Spanish films and poetry, and most importantly being able to form deep connections with people who only speak Spanish. Contrary to what many believe, you do not have to be young to learn a new language (although it helps). That said, learning a new language can be one of the most demanding goals you can conquer. The depth of practice necessary to root Spanish into the brain so that it sticks for the long-haul can discourage many Spanish learners, and they give up before they are able to see the fruits of their efforts. This article is about preventing that, by keeping the bigger picture in mind when faced with seemingly insurmountable roadblocks. You can think of the following questions as indicators of where you are, and that can point you in the right direction to get you “back on track” and not throw in the towel too soon. Each question follows a chronological order, and reflects a progressively more advanced command of Spanish. Effective language learning rewards persistence and repetition over a long time span. If you are reading this blog, you already learned one language, proving you can definitely learn another! 1) Can you sing the alphabet in Spanish?  This is key to understanding, spelling, and pronouncing basic Spanish. Most Spanish classes start here. I start here with my students who are new to the language. 2) Can you conjugate a verb, especially hablar or comer?  Without knowing how to conjugate verbs, we would not be able to form coherent sentences. Just like English, conjugating verbs is essential to learning Spanish. 3) Can you count to 100 in Spanish?  Numbers are key to a basic knowledge of a  language. 4) Can you differentiate between masculine and feminine nouns? Between ser and estar? Between por and para?  Unlike English, every noun in Spanish has a gender! Learning their genders is just as important as learning the noun. The same applies to the differences between ser and estar,  and por and para. 5) Can you routinely pluralize the articles and adjectives of any given noun?  Plurality tends to follow nouns around in Spanish, unlike in English. For example, in English, we say the red beautiful cars,” whereas in Spanish, we would say  Los carros bellos y rojos. 6) Do you struggle with Spanish without giving up or feeling lousy?  Struggling is where a lot of the learning happens, so be patient! Unfortunately, this is where many people give up. If you are being too hard on yourself when you haven’t learned a certain concept or word, pause and remember how difficult learning a new language is, by nature. 7) Is your vocabulary strong enough to order a meal or choose the correct bus or subway line without faltering? 8) Can you read an article in Spanish and get the general idea? 9) Can you formulate a complete sentence in Spanish? 10) Do you ever think in Spanish, or are you constantly translating words and phrases from English to Spanish in your head?  On your road to truly becoming proficient in Spanish, you should gradually start to think in that language. This can be as simple as “How are you?” ( ¿Cómo estás? in Spanish) to as intricate as “I wonder why the person sitting in front of me at the coffee shop drank three coffees, but still fell asleep?” ( ¿Por qué la persona en frente de mí quedó dormida después de tomar tres tazas de café?) If you’ve been practicing for years, but are still mentally translating, see this link to practice Spanish on mobile applications, or even better, work with a tutor regularly! 11) Can you listen, read, write, or speak for more than 20 minutes without feeling like your brain is on a frying pan?  Believe it or not, if you are a native English speaker, you once struggled to learn English as an infant and child. You were not always verbal. You have years, possibly decades, of English practice under your belt now. If you feel overwhelmed after practicing Spanish for 20 minutes, stop and take a breather. This is simply an indicator that you need more practice. 12) Can you watch a movie in Spanish without subtitles and not feel totally confused? 13) Do you dream in Spanish?  A language really begins finding its way into the core of your neutrons when it influences your unconscious mind and habits. When studying Spanish in Costa Rica in 2010, I had recurring dreams of my Costa Rican friends and classmates correcting my Spanish grammar and pronunciation as I spoke to them. This isn’t exactly the kind of dream I am referring to, but I still associate this with when I truly started to become fluent. This was the first time in my life where I was writing, reading, speaking, and listening to more Spanish than English on a daily basis. Ask anyone who has successfully learned Spanish as a second language, and he or she will have a similar story. 14) Do certain words or phrase come more readily available to your mind in Spanish, before English?  If you are listening, reading, speaking, or writing  in  Spanish frequently, you will know you’re doing well when you can think of the Spanish word or phrase before the English one every now and then. 15) Do you feel understood when you are in a context where only Spanish is used?   With language, you either use it or lose it. These questions are meant to motivate you! Six years ago, I knew fewer than 40 words in Spanish, and now I work primarily with Spanish-speakers in one job and teach Spanish in my other job. It’s a long-term process, and your efforts (although not always tangible immediately) will reap incredible benefits if you stick with it! Looking for a more interactive Spanish proficiency test? Here are some of our favorites: Spanish Proficiency Test via Transparent Language Spanish Test Online via don Quixote Placement Test Spanish via Lengalia Jason N. tutors in English and Spanish in Fairfax, CA.  He majored in Spanish at UC Davis, lived in Mexico for 3 years where he completed a Masters degree in Counseling, and studied Spanish Literature and Psychology at the University of Costa Rica. Learn more about Jason here!   Interested in Private Lessons? Search thousands of teachers for local and live, online lessons. Sign up for convenient, affordable private lessons today! Search for Your Teacher Photo by  Reeve Jolliffe

French Verbs and Grammar Le Passé Antérieur

French Verbs and Grammar Le Passé Antérieur Sign up successful In English, this tense corresponds pretty closely to the past perfect, which in other words describes the past of the past. In English, it looks like this: 1) When I reached the end of the path, the sun had already set. 2) When the child began kindergarten, she had already studied cello for a year. The formation of this verb tense  bears some similarities to both the futur antérieur and the passé composé. As with both these tenses, the verb form will use an auxiliary verb (avoir or être) and a past participle. Select the auxiliary verb in the same way you would for the futur antérieur or passé composé. Conjugate this verb using the imparfait. As a review, here are their conjugations: Avoir Être J avais J étais Tu avais Tu étais Il / elle / on avait Il / elle / on était Nous avions Nous étions Vous aviez Vous étiez Ils / elles avaient Ils / elles étaient Now form the past participle of the main verb in the same way you would for the passé composé. So the full passé antérieur for one -er reflexive verb, one -ir verb, and one -re verb might look like this: se coucher â€" to go to bed or, for the sun, to set Je métais couché(e) Tu tétais couché(e) Il / elle / on sétait couché(e) Nous nous étions couché(e)(s) Vous vous étiez couché(e)(s) Ils / elles sétaient déja couché(e)s finir â€" to finish Javais fini Tu avais fini Il / elle / on avait fini Nous avions fini Vous aviez fini Ils / elles avaient fini rendre â€" to return Javais rendu Tu avais rendu Il / elle / on avait rendu Nous avions rendu Vous aviez rendu Ils / elles avaient rendu So how would the previous examples in English look in French? 1) Quand je suis arrivé(e) à la fin de la rue, la soleil sétait déjà couchée. (The extra “e” in arrivé(e) would depend on whether the speaker is male or female.) 2) Quand lenfant a commencé la maternelle, elle avait déjà étudié le violoncelle depuis un an. Try conjugating the verbs in the examples below in the passé antérieur. 1) Quand je suis venu à la fête, mon frère ______________________ (partir). 2) Quand elle sest couchée, la fille ______________________ (finir) ses devoirs. 3) Quand la bibliothèquaire a appellé, j ______________________ (rendre) le livre. 4) Quand tu es rentré, nous ______________________ (se coucher). Now check your answers below: 1) était parti 2) avait fini 3) avais rendu 4) nous sommes couché(e)s (Add the extra “e” only if all the people included by “nous” are female.) How did you do? Either way, keep practicing and checking yourself! Keep an eye out also for uses by other people, and for opportunities to use it in conversation. Correct repetitions, practice, and listening to others use it correctly will help you learn to use this conjugation naturally. Of course, having the right teacher will propel your success in French even farther! Post Author:  Carol Beth L. Carol Beth teaches  French lessons in San Francisco, CA. She has her Masters in French language education from the Sorbonne University in Paris and has been teaching since 2009.  Learn more about Carol Beth here! Photo by Dennis Jarvis Interested in Private Lessons? Search thousands of teachers for local and live, online lessons. Sign up for convenient, affordable private lessons today! Search for Your Teacher

5 Delightful Jazz Guitar Licks - Tabs and Audio

5 Delightful Jazz Guitar Licks - Tabs and Audio Madalyn Danielson Having a few guitar licks up your sleeve is super helpful when youre improvising. Guitar teacher  Samuel B.  shares a few of his favorite jazz guitar licks Before we begin playing these jazz guitar licks, its a good idea to get familiar with the pentatonic scale. The pentatonic scale is a more versatile and useful scale than you might think. While being an easily-recognized basis for blues, rock, and country solos, it can be (and frequently is) a scale used  for jazz solos, too. Adding a few accidentals (notes other than the baseline ones indicated below) can make for some memorable moments in jazz guitar licks. Ive heard jazz called  â€œthe American classical music,” and heres why I agree: its chord structures are more complex than those in blues, rock, and country. Sixth, ninth, eleventh, augmented, and diminished chords are all common to it. Solo jazz guitar licks  feature a level of intricacy comparable to that of their chord counterparts. Here are a few tricks guaranteed to spice up any pentatonic-based jazz solo. Lick One The first of these jazz guitar licks  covers the segment between the fifth through eighth frets. Notes 2, 5, and 12 are the only ones foreign to the scale itself: document.createElement('audio'); /blog/wp-content/uploads/2015/06/Lick-One.mp3 Lick Two The next one is grounded in the second-through-fifth-fret territory. It features three open-string notes and only one otherwise “outsider” (the note thats both ninth and twelfth): /blog/wp-content/uploads/2015/06/Lick-Two.mp3 Lick Three Lick three is a different animal entirely. Its plucked with an open hand (not a pick) and is based on notes comprising a moving triad. As indicated, the first, fourth, seventh, and tenth notes are pairs (not single notes) and are played simultaneously with the thumb and index finger. The remaining ones can be played with an index-and-middle-finger alternation: /blog/wp-content/uploads/2015/06/Lick-Three.mp3 Lick Four Like the first two, the fourth and fifth jazz guitar licks are based once again on pentatonic segments (the highest and the lowest ones respectively). /blog/wp-content/uploads/2015/06/Lick-Four.mp3 Lick Five While the fourth lick  involves four accidentals (the second, fifth, ninth, and eleventh notes to be exact), this fifth lick is comprised entirely of notes that are pentatonic: /blog/wp-content/uploads/2015/06/Lick-Five.mp3 As seen above, these five jazz guitar licks are intricate and unique creations that can make any jazz guitar solo an instant hit. Learning the pentatonic scale on the guitar is essential for jazz guitar licks, and once you do, you can apply it to other genres, as well. Be creative, have fun, and if youre looking for further practice with your jazz guitar, ask your guitar teacher to help you out with  some new moves and grooves! Post Author:  Samuel B. Samuel B. teaches beginner  guitar lessons in Austin, TX. He teaches lessons face-to-face without sheet music, which is his adaptation of Japanese instruction (involving a call-and-response method). Learn more about Samuel here! Photo by  Larry Johnson Interested in Private Lessons? Search thousands of teachers for local and live, online lessons. Sign up for convenient, affordable private lessons today! Search for Your Teacher

What Is Baroque Art And How Can I Recognise It

What Is Baroque Art And How Can I Recognise It Art History: The Art Movement Lead By The Catholic Church Chapters10 Characteristics And Ideas Of The Baroque StyleThe Most Well Known Baroque ArtistsA Well Known Piece Of Baroque ArtLet's take a step back in time to the period of 1530 when religious tensions were in the air. The very fabric of society was changing and being reshaped by religious leaders from the protestant and the Catholic faiths. The protestants had openly challenged the  Catholic church with religious reforms which threatened Catholic power.   As protestant religion grew in popularity, the Catholic church wanted to define and reestablish its dominance, which lead to a counter reform being created.A part of this counter-reform included the commissioning of art and from this Baroque was born. The Art of the Baroque era was built upon the renaissance style and was a direct movement away from the simple tastes of the protestants. The Catholic church inspired and commissioned in large part this new art movement. Which started in Rome and spread like wildfire across Europe, w ith churches and religious leaders being it primary patrons. The art of the Baroque period was fuelled with richness, grandeur, vibrancy, flamboyance and extravagance.The art was to follow guidelines that depicted religious objects and scenes from the bible. But only scenes that were exclusive to the Catholic church such as the immaculate conception, the assumption of the virgin etc. While artists had some creative authority, they also had to follow a strict set of guidelines as approved by the counter-reform council. These guidelines had to adhere to the Catholic vision for this creative propaganda.According to Wikipedia, the name ‘Baroque’ was inspired by the Portuguese term Barroco, which means a flawed pearl. However, some scholars argue that it more likely comes from the Italian word ‘Barocco’ meaning an obstacle to logic. Where ever the name stemmed from in both cases the word had negative connotations. But eventually, it lost its meaning and came to be known only as o f the name of an art movement.Popular from the late 1500s to early 1700s, Baroque art can be described as both beautiful and imperfect. It can be seen expressed in Baroque painting, Baroque architecture, Baroque music, Baroque Opera, Baroque literature, Baroque dance and Baroque sculpture.Let's take a step back in time to the period of 1530. Photo Source: UnsplashBaroque created a new style of sculpture which focused on intense emotion, movement and richness. Figures can be seen from all angles as they rose out of the centre of the pieces and reaching into the empty space. Further blurring the lines between art and reality.Baroque pieces are emotional and dramatic, meant to dazzle and surprise viewers. Its realism in paintings gives the impression of looking in on a scene that is happening.Compositions are made thoughtfully to give the maximum dramatic effect and aim to blur the lines between reality, art and spirituality.Learn more from an art tutor on Superprof.The style that join ed all works is that of implied flowing movement. Photo Source: UnsplashThe Most Well Known Baroque ArtistsCaravaggioMichelangelo Merisi was born in Caravaggio, a town in Northern Italy. He moved to Rome to follow his passion for painting and after selling his art on the streets for a few years. His talent was finally rewarded when he gained his first patrons. After which he gained fame quickly and painted for highly esteemed patrons.Well known for using the chiaroscuro (light and dark) technique to add drama to his images. Caravaggio's work was as dramatic as his life story, which is one of fame, riches, fighting, jail, murder, knighthood, and evading the law. He died aged 38 from fever.Top Artworks: Bacchus, Supper at Emmaus (Caravaggio), London, The Calling of St Matthew, Medusa,Birthplace: Milan, ItalyLifeline: 1571 - 1610Art Style: BaroqueArt Forms: PaintingRembrandtRembrandt Harmenszoon van Rijn was born in the Netherlands and came from humble beginnings but with a wise father who sent him to a very good school. After finding a passion for the arts, Rembrandt quit school and became an apprentice for a few local artists. After which he opened his own studio painting and studying Italian art. He found his style shortly after with a Caravaggio like focus on light and dark.Rembrandt is known as a master of art mastering painting drawing and print in equal measure.Top Artworks: The night watch, the Jewish bride, the return of the prodigal sonBirthplace: NetherlandsLifeline: 1606 - 1669Art Style: BaroqueArt Forms: Painting and printmakerVermeerJohannes Vermeer was largely self-taught and little is know about how he decided to become an artist and a painter or about his path to doing so. But the masters of the period would have inspired his works. The expressiveness of Caravaggio, the intensity of Rembrandt the style of the Utrecht school, can all be seen in Vermeer large scale paintings.Vermeer is well known for his works depicting the daily life in Delft wher e he lived. He also excelled and defined luminous interiors scenes with women sitting by windows. The painter's work was full of colour, vibrancy and like many baroque paintings feels like you are voyeuristically looking in on a private scene.Top Artworks: Girl with a pearl earring, the art of painting, the milkmaid, Diana and her nymphsBirthplace: NetherlandsLifeline: 1632 - 1675Art Style: BaroqueArt Forms: PaintingBaroque art serves to bring images of Catholic worship back into the public environment. Photo Source: UnsplashA Well Known Piece Of Baroque ArtSupper at EmmausThe Supper at Emmaus was painted in 1601, it is true to life painting, meaning the figures are life-sized. Immediately you are invited into the image with incredibly clever composition. The space at the edge of the table is where you stand as you have been invited to dine.The story is that Christ has been crucified and his disciples are walking along the road they are joined by another man. They all sit down to ea t when the man who had joined them, breaks the bread and is revealed to be Christ resurrected. The painting shows this point of surprise and drama, the entire painting draws you in with the hands of Christ and the disciple reaching out to us, the fruit bowl hangs on the corner of the table bursting into out reality. Also, the light highlights our face and guide us where our eyes need to focus.Artist: CaravaggioDate Painted: 1601Size: 55 x 77 inchesMedium: Oil on canvasOther Well-Known PiecesThe palace of Versailles, FranceSaint Peters Basilica, Vatican CityA fantastic cave with Odysseus and calypso by Jan Brueghel the elderThe garden of love by RubensThe girl at a window by RembrandtBacchus by CaravaggioFountain of the four rivers, ItalyThe calling of St Matthew by CaravaggioDavid Victorious over Goliath by CaravaggioMary Magdalen with the smoking flame by Georges de La TourThe Baroque art movement doesn't just present us with pieces of art; it also tells a story about the history o f the era, religious dominance, cultural dogma and religious tensions. Whether you like Baroque art or not, it is hard to deny its beauty and twisted perfection. Albeit that the purpose of the movement was fundamentally Catholic propaganda to establish power over the protestants.Looking at some of the pieces discussed above, you can see their power to tell a story. To evoke emotion, communicate a message and draw you into a different way of seeing things. Ostentatious or beautiful? That is in the eye of the beholder.Do you know that Impressionism has light brushstrokes and Expressionism also has similar brush strokes?