An Introduction to the Definition of Magnetism in Chemistry

An Introduction to the Definition of Magnetism in ChemistryOne of the most popular class projects in Chemistry is asking students to find a definition of magnetism. The students are given a few samples of magnetism in nature and asked to describe the principles of the magnetic properties of the sample in order to get an idea about its properties. If you have been to a physics class, you might have found that students do not have much trouble in doing this task because they all know what magnets are. This article will explain some important things that you should know about magnets before attempting to find a definition of magnetism.A simple definition of magnetism is that it is a force that is caused by the poles of a magnet. To be more precise, magnetism occurs when the electric and magnetic fields of two opposite poles of a magnet are held together, rather than at right angles. There are also examples of forces known as the mutual attraction between a pair of magnets. These can eit her hold each other together or push them apart. In this way, there are several examples of magnetic force in nature.What exactly is the chemical definition of magnetism? It is a reaction between two magnets, which involves creating a magnetic field in the middle. This field will then attract the molecules of one magnet that have a certain amount of momentum in one direction while repelling those with less momentum in the other direction. So, this could be called as a force that is attractive, repulsive or like a flux.For a chemical definition of magnetism, you should first find out if the two magnets you are trying to study have enough space in between their poles to create a stable force. As far as I am aware, there are only two magnets with similar numbers of poles. These are the dipole (one pole pointing towards the north) and the polar (two poles pointing away from the north). A molecule must be larger than the antidote for it to become trapped in the field of magnetism. Any mo lecule that is smaller than the antidote will fall away from the field.The definition of magnetism that you should use is based on the known definition. That is, to define the science of magnetism, you would start from the world of physical particles and atoms. You would go up through the various fields of chemistry, where the idea of magnetism was applied.When you find the most basic definition of magnetism, you need to be careful. You do not need to define it in terms of 'like attracts like'. The behavior of magnets should not be described as a force of attraction or repulsion, but as a flux, which allows a molecule to move in one direction or another depending on the overall environment.It is important that your students have a good understanding of magnetism and what it means to be able to describe it to their classmates. Not all chemistry students have a good grasp of the basic concepts, especially those who are not actually working in a lab setting. A good and clear definition of magnetism is the basis for any discussions about magnets in class.

Several Tips for the Positive Start of the New Study Year

Several Tips for the Positive Start of the New Study Year The beginning of the school year is always rather stressful for students after having good time and relaxation during summer time. At the same time, the new study year provides good chance to review the attitude to the study process and the relations with classmates; and to take some actions to win recognition of your virtues both by peers and by school teachers. The status you manage to obtain during school and college years creates the basis for the further success in university and career, so do not waste this favorable time. Be active and show your worth. Do not allow others to manipulate yourself. Teach yourself to reject attempts to make you do somebody elses work. Be confident reciting the lessons and persist in your opinion. Value the results of your work. Dismiss with a joke or say strong “No!” to the annoying idlers who are asking to crib your assignment or test. Your diligence should work for your own benefit. Be brave and self-confident. Get rid of old inferiority complex. Stop hiding your right and interesting thoughts from others. Do not be afraid to hold up your hand and to give a certain answer to a tutor’s question. Take over the control of your life and your decisions. Make a list of goals for the next academic year and develop a strategy on attaining them. Select the most interesting subjects and the major subjects needed for your future speciality. Whatever it be math, chemistry, physics or computer turn particular attention to that subjects. Find a private tutor to help you to become an expert in that most important disciplines. Aim at all-round development of yourself. Experiment with hobbies and learn something new. Take music, dancing, vocal or art classes at some art school or with an individual tutor. New skills not only develop your natural abilities, they also attract the interest of other people and make them respect your advanced personality. Be independent of other peoples opinion. The sudden changes in your way of life may draw attention of some envious mates and may give food for gossip. If you notice this this is a sign of your success, you have attracted the interest. Those, who gossip of you, are dreaming to become like you but they can’t. No matter what they say, you can just smile! And, last but not least  remember that going back to school does not only mean return to hard study. It also means meeting with old friends. Each new school year promises not only new study tasks and challenges but also new amazing acquaintances and who knows, maybe even love! If you need a tutoring assistance for you of your child visit TutorZ.com. Our tutoring service is designed to  help students to find best personal tutors in any subject: math,  algebra, calculus, science,  physics, chemistry, biology,  English, Spanish, French, computer, music, dance, voice, arts  and many others.

The 2015 New Years Language Challenge is Coming! Help Spread the Word!

The 2015 New Years Language Challenge is Coming! Help Spread the Word! Help us announce the biggest language challenge ever! The italki 2015 New Years Language Challenge is coming and we want you to help spread the word! Were creating a Thunderclap, and wed like your help. Even if youre not planning on taking the New Years Language Challenge, you can still join the  Thunderclap to help spread the word to others who want to kick off 2015 and really commit to learning a new language! What is a Thunderclap? Its a new, powerful tool that allows people to Tweet or Facebook an announcement all together on the same day, at the exact same time to be heard loud and clear! Were working with Thunderclap to make this biggest, most exciting Language Challenge ever! Get ready! Help Spread the Word and Join this Thunderclap! The 2015 New Years Language Challenge is Coming! Help Spread the Word! Help us announce the biggest language challenge ever! The italki 2015 New Years Language Challenge is coming and we want you to help spread the word! Were creating a Thunderclap, and wed like your help. Even if youre not planning on taking the New Years Language Challenge, you can still join the  Thunderclap to help spread the word to others who want to kick off 2015 and really commit to learning a new language! What is a Thunderclap? Its a new, powerful tool that allows people to Tweet or Facebook an announcement all together on the same day, at the exact same time to be heard loud and clear! Were working with Thunderclap to make this biggest, most exciting Language Challenge ever! Get ready! Help Spread the Word and Join this Thunderclap!

How To Be Productive This Semester and Stay On-Task

How To Be Productive This Semester and Stay On-Task Image via unsplash.com Out with the old and in with the new A great way to kickstart the new term is to start off with an organized study space. Sort through your current study space to weed out things you do not actually need for the new term. Old textbooks? Try reselling them for some money for this terms textbooks, or shelving them for later use if you think you will need them. Used notebooks? Sort through them to see if they have any information that will help you in later classes or recycle them if you no longer have any use for them. Get rid of old papers and worksheets of past classes, broken pens, or other items you will not be needing. Decluttering your space before the new term with let you start out the term with a clean, organized space. You wont have to sort through old books and papers every time you sit down to do coursework, and a cleaner space makes way for a clearer mind. If treating yourself to new stationery and school supplies helps you feel more excited about doing your schoolwork, do not be afraid to splurge a little to have you a little more mentally prepared for the new term. Fill out your planner Once you have the syllabus for each course you are taking this term, start filling out your planner. Whether its in a planner that you carry with you everywhere or a digital calendar like Google Calendar, its important to fill out a planner of some type so that you are always aware of your time commitments and deadlines throughout the term. Find out a method that works for you. Emphasizing bigger deadlines, or choosing to include your day-to-day commitments. Color coding by class or type of assignment, or using different symbols to highlight different deadlines. What works for one students planner may not work for you, so do not be afraid to design your planner on a trial-and-error basis. Improvisation is key. Make a study plan After you have filled out your planner and look at each syllabus, try making a study plan that you can follow throughout the term. It can be as detailed as you think it needs to be. You can start out with big deadlines to avoid feeling overwhelmed from the get-go. Start listing out your quizzes, midterms, essays, and finals. Work your way down to smaller assignments like discussion posts, reading responses, and readings. You can make separate ones for classes if you would prefer, but its important to remember that the schedule for each class you are taking will continuously impact the other. While one week may look relaxed for one class, it may be packed for another class. Try designing your study plan with all of your classes in mind, one easy week or night for one class may mean that you might spend a little more time on another class that has a ton of work. Making a study plan early on in the term gives you a guide for being productive, and will help make you accountable for school work when you can see what you should be doing when you think theres nothing to do. Remember that the study plan isnt definitive, and you can always adjust it as you see fit. Get a study buddy (or two)   When classes do start, try to make at least one friend in each of your classes that you can call a study buddy. Get their contact information so that you can contact each other for questions. These questions can be as simple as clarifying assignments or sending each other links that you deem helpful for the course. If you are lucky, your study buddy will actually want to study with you outside of class. Getting a study buddy that wants to well in the class just like you do will help encourage you to be productive in the class when someone else can hold you accountable to maintain good studying habits.   Take advantage of the new term to boost productivity and maintain good studying habits until the end. Best of luck!

italki Language Challenge Week 4 Goal

italki Language Challenge Week 4 Goal Lindsaydoeslanguages is blogging about her World Cup Language Challenge and we’re reposting here to share with the entire italki Community. This blog post  originally was posted  on  Lindsaydoeslanguages.com  website. Wow! Three weeks in already! Crazy stuff. Why, hello! This week’s goal was to prepare a little something in Portuguese to practise and record on camera. So after 11 lessons here it is! Almost half way through the Language Challenge now. Exciting stuff! Oh, and by the way, italki are running a Cheer Contest to find out how different people cheer in different countries. Take a look and maybe enter! Also, be sure to check out my entry below feating a rather fluffy friend. If you follow me on Instagram, you’ll know who I’m talking about! Next week I’ll be attempting to distinguish between Spanish and Portuguese in the song Danza Kuduro and for week 6, I’ll be doing my first ever live YouTube broadcast and commentating some of the World Cup! What have I let myself in for? Eek! How are you getting on with the italki World Cup Language Challenge? Are your team still in the World Cup? italki Language Challenge Week 4 Goal Lindsaydoeslanguages is blogging about her World Cup Language Challenge and we’re reposting here to share with the entire italki Community. This blog post  originally was posted  on  Lindsaydoeslanguages.com  website. Wow! Three weeks in already! Crazy stuff. Why, hello! This week’s goal was to prepare a little something in Portuguese to practise and record on camera. So after 11 lessons here it is! Almost half way through the Language Challenge now. Exciting stuff! Oh, and by the way, italki are running a Cheer Contest to find out how different people cheer in different countries. Take a look and maybe enter! Also, be sure to check out my entry below feating a rather fluffy friend. If you follow me on Instagram, you’ll know who I’m talking about! Next week I’ll be attempting to distinguish between Spanish and Portuguese in the song Danza Kuduro and for week 6, I’ll be doing my first ever live YouTube broadcast and commentating some of the World Cup! What have I let myself in for? Eek! How are you getting on with the italki World Cup Language Challenge? Are your team still in the World Cup?

Finding Tutoring and Different Prices

Finding Tutoring and Different PricesOf course when looking for the best local Oxford tutoring Irvine rates, finding an answer can seem like a daunting task. And, why not, there are countless tutors in Irvine. Even if you only need one or two sessions with a tutor and have some transportation needs to look at, you'll find that the results you'll see with a local tutoring center will often be more satisfactory than those you'll find in other areas of the state.There are also the 'locator' pages that may be found online, which can help you find the Tutoring Centers near you and if you're willing to travel, you'll find some great locales as well. Be sure to use the Yellow Pages and the telephone book to find a local center, and the centers that offer online consultations can help save you time, energy and money, which is important.In addition to getting quality tutoring, there are other things that can be accomplished by looking into the different online tutoring facilities. And, once y ou've decided on your chosen center, make sure you have some type of payment plan available so that you don't have to pay any up front costs. If there are any pending fees to be paid, you'll want to get those taken care of before hand, to save money.Next, you need to decide what you're going to be needing assistance with, as well as what your purpose is. And, the focus of the tutoring session should be on meeting your needs and requirements. Don't sign up for just one session, but rather look at how many sessions you need, and find out if you can get them all done for free.The last thing to think about is whether you need some help from an adult who's participating in the session. You'll find that this isn't always necessary, and if it is, then you'll want to ensure that it is a written contract that outlines your expectations with the instructor, both in terms of your sessions and the amount of time you need to spend with them.Last, you'll want to find out the length of time it tak es for the session to end, as well as the payment structure you'll be able to take advantage of. These options are available to you, so take a look around for more information.Tutoring in Irvine can be a positive experience if you've already looked into local tutoring centers. Once you meet with the tutor, they'll be able to put you in touch with other parents who need to be educated about a variety of subjects.

College Algebra Help

College Algebra HelpIf you are looking for College Algebra help, the internet has probably given you a lot of choices. You could go to the local college or university, go to your local community college or trade school, or you could just check out the local library or bookstore. The choices are endless.There are a few things to keep in mind when choosing Coklege or any other type of algebra course for that matter. Your first step should be to ask yourself what kind of person do you want to be when you grow up?To a certain extent, this will be influenced by your parents. If you want to be a doctor or engineer, it is a good idea to get some instruction on mathematics and science before you leave home.But, if you want to be a teacher, it is important to get some education at an early age. Perhaps you will even want to be a librarian. For some people, math and science are not something they want to worry about when they are young.Others want to have all the knowledge they can. They want to be able to operate in the real world, but don't have the time or desire to devote to the subject. If this is you, it may be a good idea to take some algebra classes at school.Coklege is another way to go about this. You can find classes that are either online or a combination of online and in-class instruction.The idea is to find a class that is designed to help you learn algebra. If you are going to choose the traditional method, such as taking a book home with you and going to class every day, it is still important to do your homework, especially when you can look up a section on the internet.

Adding Negative Numbers

Adding Negative Numbers Negative numbers are the numbers which are less than zero and which can be represented on a number line. On a number line negative number are represented left to 0 like -1, -2, -3, -4, -5, -6 etc. Negative numbers can be extended endlessly on a number line left to 0, it follows that we can represent each and every negative number by some point on this line. For instance, starting from 0 and moving to its left, a point after 750 units, represent the integer -750. Thus each and every integer can be represented by some point on this number line. Examples of negative numbers: - -1, -5, -3.8, -8/9, -0.5 Comparing the negative numbers: - Example: - Which number is less than -5. a) -1 b) -2 c) 0 d) 10 e) -10 Solution: - On a number line, every number left to a particular number will be less than that of a number like , -10, -9, -8, -7, -6 are less than -5 because all these numbers are left to -5 whereas all the numbers right to -5 will be more than -5. -4, -3, -2, -1, 0, 1, 2, 3 are more than -5. Clearly we can observe that -1, -2, 0, 10 are right to -5. So -10 is less than -5 because -10 lie to the left of -5 on a number line. Examples of Adding negative numbers: - Add the following: - a) (-1) + (-5) + (-2) b) (-3) + (-4) Solution: - a) (-1) + (-5) + (-2)= -1-5-2 =-7 b) (-3) +(-4)= -3-4 -7

What are Inference Statistics

What are Inference Statistics Everything to Know About Data Driven Analysis ChaptersStatistics BasicsStatistical Computing for BeginnersDescriptive StatisticsInferential StatisticsResources for StatisticiansStatistics is one of those disciplines everyone knows at least a bit about. From interpreting a percentile to realizing a chi-square test, the broad discipline of statistics can be applied to every aspect of our lives: politics, romance, business and more. While the evolution of data analysis has a long history, the basics can be easy to grasp. Here’s everything you should know about statistical inference!Knowing key statistical functions can aid in learning new computer languages! AisvaryaData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors AdeyemiData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors AdenikeData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors ThanushanData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors GokhanData Analysis Teacher 5.00 ( 4) £30/h1st lesson free!Discover all our tutors OlawaleData Analysis Teacher £12/h1st lesson free!Discover all our tutors AisvaranData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors Muhammad umairData Analysis Teacher 5.00 (2) £100/h1st lesson free!Discover all our tutorsStatistics BasicsData analysis and statistical methods have been dominating headlines lately. The reason can be found in the ever-increasing use of data in all aspects of our lives - from the groceries people buy to the dating apps they use. Included in fields like biostatistics and business analytics, statistical data and statistical inference have actually been around long before the invention of computers.The statistician of the ancient world used both categorical and numerical data to record and analyse movements in agriculture, weather and commerce. While Bayesian statistics has revolutionized the work of statisticians to include more sophisticated methods of making predictions, st atistics in the modern world has kept the three main essentials that started the discipline:Collecting data with a sample sizeAnalysing the dataUsing creative ways of displaying or disseminating the conclusions from this dataStatistical Computing for BeginnersWhile the intricacies of statistical analyses might seem too complicated for the layperson to grasp, even the most seasoned statistician or data scientist needs the occasional refresher on all things probability and statistics. Understanding the entirety of statistical techniques statistical theory into a couple of paragraphs can seem impossible, especially if you’re not too confident in your abilities in mathematical statistics. However, statistical data analysis is something you utilize on the daily: from crafting your monthly budget to creating insightful data visualizations at work.To start unpacking the world of statistical analysis we’ll have to start by making the important distinction between the two main branches o f statistics: inferential and descriptive statistics. While descriptive statistics are used to describe and measure what is actually in your raw data, inferential statistics are used in order to make useful predictions about the general population using your sample data. Inferential statistics, on the other hand, tests a hypothesis and a null hypothesis on sample data in order to estimate metrics we can’t actually measure in real life, such as the true, population mean.Or, in other words, inferential statistics uses a set of data to make predictions about things outside that very data. Whether it be quantitative data or qualitative data, inferential statistics is one or the most important tools for data scientists the world over. It makes use of concepts such as probability theory and methods such as linear regression in order to make helpful predictions about the world. AisvaryaData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors AdeyemiData Analysis Teac her 5.00 (4) £25/h1st lesson free!Discover all our tutors AdenikeData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors ThanushanData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors GokhanData Analysis Teacher 5.00 (4) £30/h1st lesson free!Discover all our tutors OlawaleData Analysis Teacher £12/h1st lesson free!Discover all our tutors AisvaranData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors Muhammad umairData Analysis Teacher 5.00 (2) £100/h1st lesson free!Discover all our tutorsDescriptive StatisticsBefore getting into the exciting world of central tendency, ordinal data regression models, let’s start by looking at the most common tools used in exploratory analysis. In statistics, data can be analysed through univariate or multivariate methods, which roughly translates into analysing either one variable or multiple. Typically, univariate methods of analysis are more meaningful in initial explorat ory analysis, where looking at and comparing the measures of specific variables can serve to highlight important features about your data set.While not at all an exhaustive explanation of descriptive statistics, here are some of the basics you can implement in your study design in order to understand your dependent or independent variable.Measures of central tendency, or what the average data looks like, are the sample mean, effect size, median and mode. Measures of variability, on the other hand, seek to measure how far data are spread from the average and include: variances, covariance and standard deviation.While this may sound very elementary, many industries that utilize statistics don’t need the more complex methods involved in inferential statistics. For example, using data visualizations of descriptive statistics, such as a histogram or pie chart, can help a company identify their biggest cost problems or the characteristics of an average client. In this way, exploratory a nalysis can turn into a powerful tool for both data visualization and analysis.Statistical analysis can be extremely helpful for all types of decision makersInferential StatisticsMoving onto the concepts even the most seasoned mathematician can shudder at: inferential statistics. While more detailed explanations on some of the more complex statistical topics included under this branch of statistics, such as regression analysis with categorical data or binomial distributions, the basics are fairly easy to grasp.Underlying all inferential statistics is probability theory. From constructing a confidence interval for your estimators to attaining the statistical significance for a dependent variable â€" virtually all statistical methodology relies on probability theory. That being said, when it comes to inferential statistics, statisticians generally tend to be divided into two camps: frequentists and Bayesian(ists). While frequentists believe that probability is the measure of the frequ ency of an outcome from an actual trial, or experiment, the Bayesian statistician holds that probability is abstract and measures the belief in knowledge or proposition.If this sounds like someone just back-translated wingdings, it can be helpful to look at how a normal probability distribution is used in the most basic statistical model: linear regression analysis.In order to conduct linear regression analysis, as with many other types of analysis such as analysis of variance (ANOVA) or time series analysis, assumptions are made about the data in order to ensure the validity of the analysis. One of the most common assumptions is that the variables or the error term of the data follow a normal distribution. This ensure the validity of the model and is the basis of correct interpretation of everything from an alternative hypothesis and correlation coefficient to the estimator and confidence intervals.While most statistical software like R and SPSS will run statistical models automati cally, it’s always important to check most assumptions of your data before running linear regression and other types of analysis. To give you an idea of what some other assumptions can look like, we can look at the Gauss-Markov theorem:If your linear regression model meets the first six classical assumptions of ordinary least squares method, then the regression is BLUE or the best linear unbiased estimator.Not only is the acronym easy to remember, but it also serves to underscore the important fact that any data meeting these assumptions can produce estimators with the least variance of all the possible estimators. The only downside, however, is that these assumptions can hardly ever be met in real life. Take a look and you’ll probably see why:The model is linear in terms of both coefficients and the error termThe expected value, or mean, of the error term is zeroThe independent variables are uncorrelated with the error termThere is no correlation between different observations of the error termNo heteroscedasticity in the error term, which can also be seen as constant varianceNo perfect correlation between the independent variablesAnother one of the more common statistical models you’re likely to find within any experimental design is the General Linear Model. This model is, at its most basic, a simple linear model and - among its most complex, can be used in multivariate analysis methods such as factor analysis, cluster analysis and more. Without getting into too much detail, using the GLM method for analysing both categorical and numerical data makes use of important concepts like the t-test to aid in determining the best model for the data.The t-test, at its base, assess whether the means of two groups are statistically different from one another and can be applied to make inferences on whether one linear model is better than another.From the hardware to the programs on a computer, statistics is involved!Resources for StatisticiansFrom the randomizat ion of trials to the analysis of parametric models, creating the perfect methodology, analysis and interpretation in statistics can be tricky. Luckily, there are a number of ways you can get statistics help either online or with a professional.Whether you’re confused on the definition of a random variable, outliers, or observational data, the internet can be your best tool for finding statistics solutions. Check out Stack Exchange if you’re having trouble on a particular concept or problem.Where to Find Stats TutorsIf you’re looking for one-to-one statistics tutoring, make sure to browse through Superprof’s community of almost 150,000 maths tutors in the UK! Giving advice on everything related to mathematical statistics, you'll be able to receive advice and guidance on some of statistic's most troubling concepts and functions for the average price of 10 pounds an hour!