Chemistry Matter and Change - Answer Key

Chemistry Matter and Change - Answer KeyThe chemistry matter and change are an important resource to aid you in preparing for your high school career exams. The book is filled with helpful hints, advice and sample tests. With its clear easy to understand format and concise text the book is suitable for all students no matter what their grade point average or type of examination they are looking forward to taking.It was written by two science teachers who have themselves taken an advanced exam. This book is both informative and entertaining. It provides real time examples of different situations you may find yourself in when taking an exam. It also discusses what you can do to prepare yourself.The book includes about three hundred different exams that you can use. Students of all levels will find this useful because you will be able to see what is on the test and how to approach it.The book is divided into several chapters, each chapter dealing with a different topic, each chapter wil l give you a good time to study for the exam. Some topics will be broken down into subtopics, so it will be easier to learn them and you can study each subtopic independently.The first chapter gives you information on what to expect on the test. Topics include question types, set-up questions, multiple choice and essay questions. This chapter also has examples and hints about what to look for when studying.The second chapter gives you sample exam questions. There are many different topics covered in this chapter. It covers medical, physical, social, financial, arts, social studies, math, biology, and science topics. These topics cover a wide range of topics that are all included in most examinations.The third chapter focuses on how to study for your exam. It talks about the types of learning materials available to help you. Also discussed are audio programs, mp3s, and coloring books.The last chapter is a review chapter. The last chapter gives a summary of the material covered in the book.

Shenzhen METEN International Education

Shenzhen METEN International Education Shenzhen METEN International Education Meten International Education Group, also known as Meten English or METEN, is a global-leading experiential language training institute founded in 2006. Metens headquarters are in Shenzhen, New York and Beijing. Over 10 years Meten has grown to over 100 learning centers across China and now staffs a team of over 3,000 professionals in ESL teaching, educational research and development, marketing and tutoring services. Meten provides various programs catered to different learning demands: Meten General English, Meten Test Prep, Meten Overseas Services, Meten Preparatory Academy (G7-12), and likeshuo.com (Meten Online VIP). By the end of 2014, Meten learners have reached almost 200,000. Meten has become the fastest institution to have reached impressive development milestones in the English language training industry. Aiming at building and leading the experiential English training brand globally, Meten has invested in the expansion of its business in the form of mergers and acquisitions integrating 8 other specialized English training institutions. To better serve the markets demand for English learning in China, Meten Service USA Corp was established in March 2016 as a U.S. corporation focusing on providing the best service to Chinese students who come to the United States to study in high schools as well as in universities. Meten has always maintained a high degree of social responsibility awareness. We not only have cultivated a number of international talents for the society, but also have made great contributions to public charities. Now, Meteners charity footprints are all over Chongqing, Sichuan, Guangxi, Yunnan, Tibet, Jiangxi, Guizhou and Hunan, helping thousands of poor students. Metens focused attitude and enthusiasm in charity pave the way for more children to have equal opportunities and access to education. Meten continues to promote the development of English training in China with high quality instruction and world-class learning environment.

What Does Music Chemistry Have To Do With Indie Music?

What Does Music Chemistry Have To Do With Indie Music?Music chemistry is a term that has been bandied about by people in the music industry for a very long time. It has many meanings and different connotations depending on who you talk to, but the basics of it are all in line with a fact that what motivates, attracts and keeps people enthralled in making music, whether it is indie rock, pop or whatever, is love. For all artists out there, the main factor that turns them on is music.Everybody loves music from the children who start singing songs as soon as they learn how to, to the adults who have started playing music and ended up studying music at school. You will find plenty of different types of music played and listened to everywhere. So, whatever you play, do it with passion alone.People love to listen to music that is made by experts or at least by individuals who are comfortable with what they do. In fact, the reason why a lot of people join the music industry is because they want to become an expert of their music and then be rewarded for it. A person who can only sing or who has to perform every song with an effortless 'whatever' attitude will not get respect in the industry.When people get to know your work, they start to know you and becoming comfortable with you. With music chemistry in the industry, you start getting to know the people who make your music. You realize that they are also human beings who want to enjoy doing something, but they feel overwhelmed because of the circumstances surrounding them. Music people come across your songs and start listening to them, which in turn inspires you to continue to make the same music that you used to sing and play as a child.In this phase, you start feeling like you are the center of attraction. People want to know more about you, not only so that they can appreciate your work, but so that they can encourage you to continue and make a name for yourself in the industry. People who are successful in the music industry are the ones who are able to attract and keep people close to them, whether it is through music social interaction or friendship.Music chemistry is an emotional bond between you and other people, which could be emotional like love or it could be professional like admiration, interest and awe, like a respect for what you do and your artistic capability. You need to remember that just like how you feel when you watch an actor, a singer or a musician perform, so it is that when you hear someone play a song or make a recording.You may be the best singer or musician in the world, but if your fans find you unattractive or boring, the only thing that will pull them back is your appearance and personality. The mere fact that your artistry holds a special place in their hearts means a lot to you. It becomes easier when you know how to use the right amount of sound and presence in your work, to make people love it.

How to Become a Private Tutor

How to Become a Private TutorIf you've never had the opportunity to do this before, you're going to find this how to become a private tutor to be an extremely helpful guide. It's actually a very simple process, and if you follow the step by step instructions, you will be on your way to becoming a tutor and earning good money from it. There are some things that you will want to keep in mind when you start.The first thing that you need to do is find a tutor. In order to make money through tutoring, you will have to look at whether you will be taking a class online or at a school down the street. The latter is more likely to be more profitable than the former, but you'll want to check the local environment first before you get started. You can check online for some feedback and ratings about local schools. Try to find the one that is closest to your home as well, in case you live close enough that it's convenient for you to travel.Once you've settled on the school, you will want to set up a profile about yourself so that potential students can find you. You can do this yourself, or you can hire a service that has everything listed for you. Either way, you should provide information about what kind of classes you teach, what kind of students you cater to, and how much you charge per lesson. You'll want to be honest here. A dishonest person will usually get called out by the students in your class, and this will result in them not wanting to return again.When you've finished setting up your profile, you will then need to find a prospective student for a particular course you're going to teach. You will be able to do this yourself, or you can get a service that has the student database ready for you. You should list the name of the student, their age, and other information about them. They will also need to fill out a form that asks for information such as school experience, grade point average, and what type of lessons they prefer. Most teachers actually like to hir e students that have taken similar courses as they teach, and they will encourage them to go for your services. Ask the student if they would prefer online lessons, or if they prefer classes at the school.After you've arranged to get a student, you will now need to arrange to tutor them. This will vary depending on the course that you're offering, but there are general steps that you can follow. You should begin by scheduling a time and place for the student to see you. They should always be shown that you are available and on their schedule.Once the student has met with you, they should ask you questions to gauge how ready they are to learn. This should be done without getting too close to them. For example, you may notice that they are rambling about how they would like to learn 'one on one.' Tell them that you have a list of people who will help them, and they will be taught over the course of the week. Ask them how long they are willing to learn from you, and you should be able to narrow down your search quite a bit. Ask to visit their home, or maybe your own, so that you can have the opportunity to show your progress.Tutoring isn't that hard once you have the right tools, and you don't have to worry about how much it will cost you. Many teachers are offering these services for free, and it is simply a matter of signing up for a free trial. If you really enjoy what you're doing, you can always pay to become a full time tutor.

Disadavntages of the Computer As a Tutor

Disadavntages of the Computer As a TutorIn this article I'm going to talk about the disadvantages of the Computer as a Tutor, and some ways you can overcome them. You can use this article as a guide to help you keep your own personal advice.The first thing that you should know is that this is not a prerequisite for becoming a tutor in the first place. The fact is that any type of teaching job will open many doors to you, especially if you have a degree. Teaching in high school, college, or even grad school could be one of the best career opportunities you could ever have.The second thing to realize is that you can only use your own time effectively. If you set yourself up to be the instructor, people won't go anywhere with you. You will not see many students because of this, which means that you will not make much money from it either. You will get very little paid, but this is actually a major disadvantage.Third, you don't get to see your students' success either. Many teachers have been told that they get paid well, and therefore it makes sense to have a lot of students, but in reality this just does not happen because you are not in the room.In fact, the worst thing about being a computer as a tutor is that you really don't get a lot of leverage. Instead of getting great feedback, you get terrible feedback because you are not the teacher anymore.There are also two schools of thought on how you should go about teaching. You can either teach based on different systems that allow for student feedback. This can work, but in my opinion it's a very limited system because you are really teaching yourself.Instead, you can use an approach that utilizes software that uses your results and teaches you a wide variety of things about the student's progress. These software packages are so much more effective, because you are able to see everything you are teaching. This is definitely the way to go, because you will gain a more detailed understanding of what you are doing.

Can online tutoring improve students grades

Can online tutoring improve student’s grades 0SHARESShare Online tutoring programs are offered by several tutoring companies. These programs focus to make every subject interesting for students. Professional tutors offer sessions and use modern teaching methods to make certain that the students understand the concepts well and are able to use them in real life. The online tutors are highly experienced and professionally trained. They are well aware of the state curriculum. At times it is not feasible for a classroom teacher to give that one-on-one attention to every student. Online tutoring sessions facilitate students to convey their concerns freely. The tutors can identify their weaknesses and apply the teaching style accordingly. The use of advanced technology, 24 hour availability makes sessions successful. Tutor Pace is an online tutoring website that offers tuitions for all classes and all topics, including algebra, math, geometry, English and many more. Students can get instant homework help for any subject and guidance for test preparation. In this extremely fast paced era, guardians can hardly be blamed for not being able to give the required academic guidance to their kids or to pick and drop their children to tutoring classes. These programs are a great help for students and help them in improving their grades appreciably. It is a well established fact that systematic focus on improving learning skills plays a fundamental role in the overall progress of a child. [starbox id=admin]

What is the Best Equipment for Wildlife Photography

What is the Best Equipment for Wildlife Photography Wildlife Photography: Essential Kit and then Some ChaptersEssential Camera EquipmentSupporting Your CameraExtras You Should Have in Your KitLet us suppose that you’ve moved beyond snapping pics of your garden, of the snails and the birds and even of your cat â€" that rapacious hunter!Let’s say that, for the first time, you’re planning a holiday around your passion for wildlife photography; you’re ready for a whole new set of challenges â€" in terrain, in subject matter and weather conditions.You’ve got your lenses and camera bodies, meters and your various supports... you just can’t wait to go!Wait! Those things we mentioned a moment ago â€" the weather and terrain, matter greatly â€" not just to you but to your kit.For instance, to photograph animals in the beautiful, unpredictable arctic wilderness, you would have to bring protective gear for your equipment as well as extra batteries because the cold will sap their energy much faster than you might be used to.Conversely, if you’re photographing in the Serengeti or th e Kalahari, your biggest worry, as far as your kit is concerned, is getting dust or sand in it.In fact, there are so many variables to consider when planning such an excursion, not the least of which is what equipment and photography accessories you should take with you.That is why your Superprof has compiled this list of essential, nice-to-have and optional kit that every wildlife photographer should have, no matter where the excursion takes place.Go get your camera bag; we’ll wait. It is a good idea to compare notes; we might have something on our list that you had not considered putting on yours.  And if you have something on your list we don’t have on ours, won’t you let us know?If you are brand new to wildlife photography, maybe wondering where and how to get started, this article is for you.  We aim to provide you with a bit of information about the gear you need before you head out on your first shoot.Do you have your list ready? Here we go! AllanPhotography Teacher 5. 00 (2) £20/h1st lesson free!Discover all our tutors NatashaPhotography Teacher 5.00 (7) £55/h1st lesson free!Discover all our tutors TimothyPhotography Teacher 5.00 (5) £30/h1st lesson free!Discover all our tutors Anosh nadeemPhotography Teacher 5.00 (2) £20/h1st lesson free!Discover all our tutors ZangmoPhotography Teacher 5.00 (6) £25/h1st lesson free!Discover all our tutors RosiePhotography Teacher £12/h1st lesson free!Discover all our tutors MattPhotography Teacher £20/h1st lesson free!Discover all our tutors AndyPhotography Teacher £25/h1st lesson free!Discover all our tutorsEssential Camera Equipment You don't need a lot of kit to photograph wildlife but there are a few must-have items. Image by Jan VaÅ¡ek from PixabayYou may have seen pictures of wildlife photographers on assignment, standing or squatting behind a tripod-mounted camera outfitted with a telephoto lens.Of the three pieces of kit mentioned in that sentence, only one is absolutely vital: the camera.Of course, a camera body would be worthless without a lens but it is understood that even a point and shoot camera comes with some sort of lens... we’ll talk more about lenses in a moment.Equally important are the components that permit your DSLR cameras to record and preserve images: batteries and memory cards. Running out of either is the sure end to your photography session.Making sure you have these two vital components in ample supply is the best way to not kick yourself for missing that perfect shot for want of them.LensesDepending on what your subject matter is, you may or may not need a long lens.For instance, i f macro photography is your speciality, a telephoto lens may hinder rather than help you achieve your best shot.On the other hand, if you’re out to get the temperamental hippo on film, the further you are away from their environment, the safer you will be.More than any other, this piece of kit underscores why it is a good idea to plan your shoots; that is the best way to not carry kit that you won’t need.Nevertheless, you will need some sort of lens and, depending on the environment you’re working in, some sort of protection or camouflage for it. In all cases, it is advisable to have a rain cover for your lenses and camera.If indeed you are after that hot-tempered hippo or maybe you’ve decided to head to Canada to snap off some shots of grizzly bears, having a teleconverter is an excellent idea.Also called lens extenders, these devices fit between your camera body and your lens to give you a more focused, tight-in image that appears as though you had gotten close enough to y our subject to touch it.Teleconverters magnify the centre portion of your frame but do not affect your lens’s minimum focus distance.There are arguments for and against using such extenders. Achieving tighter framing is definitely on the plus side, while the fact that they decrease the overall focus of your lens is certainly a drawback.In shopping for a lens extender, be sure that the model you select is compatible with your kit!Last word on lenses: you should have a bag that will accommodate all of your lenses including the longest ones.Tell us, please: how did you get started photographing wild animals? Tripods are an essential piece of wildlife photography kit Image by Günther Schneider from PixabaySupporting Your CameraNeedless to say, the idea of standing still for hours on end, in all weather conditions, while holding several pounds of gear to your eye and your finger on the shutter button is enough to deter even the hardiest of photographers.To say nothing of the shots they would have to discard because of camera shake.In spite of the romance accorded to wildlife photography, it really boils down to a bit of setting up and a whole lot of waiting around.Even after all of your studying â€" of your subjects’ habits and habitat, and your planning (what kit to bring and when best to go), it is quite unfortunate that animals won’t perform on cue... and you shouldn’t try to make them.That means that you end up setting up your shot and waiting for your target to make an appearance and/or do something picture-worthy.To make setting up easier, there is a range of stabilising and p ropping equipment you should have with you.As its name implies, a tripod has three height-adjustable legs that can securely support your camera.Tripods are great if you intend to take panoramic shots â€" maybe of a herd in the distance or one of the bigger animals, perhaps an elephant or a giraffe.As wildlife photography does involve a lot of waiting, you may choose to frame your shot, retreat (and sit down), and activate your camera remotely once your quarry appears in your field of focus.If you are not after big game â€" if photographing birds punches your ticket, then you’ll surely want to be more mobile. In that case, a monopod is more suitable.Just like the tripod implies three legs, monopods only have one. Their function is to keep your camera steady while you shoot with a standard-sized lens - it would be hard to balance with a telephoto lens.The advantage of a monopod is speed; if you need to reposition yourself, it is much easier to do so using a monopod.Both of these cam era supports are well suited for photographing subjects that have a bit of height and will generally follow a slow and predictable trajectory. Adding a gimbal tripod head can be a game-changer.A gimbal permits you to effortlessly move your camera both vertically and horizontally, as needed.Thus, with a gimbal on your tripod, you could point your camera to the ground and photograph smaller animals, like a weasel or an iguana.On the other hand, if you anticipate ground-level work, why not get a ground pod? You got it: these pods hold the camera steady at just above ground level.The ultimate solution to camera support and photographer’s comfort is a bean bag.Let’s say that you are of the intrepid sort; you don’t mind climbing a tree to get that perfect shot.In those types of situations, tripods are decidedly inconvenient but a bean bag can straddle a branch and cradle your camera with ease, keeping it perfectly still while you squeeze off frame after frame.Now, let’s imagine yo u at ground level, waiting for the squirrels or other urban wildlife to come out and play. You could use a ground pod but a bean bag will give you so much more flexibility in aiming your shots.Finally, let us take the car door example. It is almost a shame that wildlife has grown accustomed to the smell and sound of cars but humans are still scented as predators.Many wildlife photographers have clued into that reality and have taken some amazing shots while sitting in their car.That is a nifty trick for capturing the best wildlife photos; there are a few more to add to your repertoire. Consider adding such a headlamp to your kit; it really helps! Image by WikimediaImages from PixabayExtras You Should Have in Your KitTaking photographs of animals requires patience, good equipment and a willingness to meet them in their environment.Doing so poses certain risks, especially the bigger the animal and the time or season you set out â€" say, just after birthing.Images of animals with their young are particularly evocative and highly sought after.  They are also particularly dangerous to capture; that is why many such nature photographers install a camera trap near their quarry’s den.A camera trap is a device that is activated by motion sensors or by an infrared sensor. When the subject moves, the camera is activated; it takes the shot while you remain at a safe distance.Camera traps come with a variety of features and a correspondingly wide range of prices; if your goal is making money from wildlife photos, investing in such a device would be a good idea.Other good acce ssories to have in your kit are:binocularsheadlightglovesfiltersextra batteries and memory cardsa camera cleaning kita maintenance kitBy no means are these few items all there is to have; camera shops are full of equipment made specifically for outdoor photography.But, with these essential items in your kit, you’re at least ready to get started taking pictures. In time you will add to your kit those items you find helpful.Perhaps one of them might be a guide to the most amazing places for wildlife photography...

Geometry Definitions Tutors

Geometry Definitions Tutors Geometry is a section in Mathematics which deals with different lines, angles and predominantly is the study of various shapes and their measurements. When two or more lines are connected, various kinds of shapes are formed and those shapes are called by different names like squares, rectangles, triangles etc. These geometric shapes have different side lengths, angles areas, volumes etc. and the study of all these measurements is Geometry. Geometry constitutes one of the most important sections in math and its concepts are used most of the time in our daily life. Example 1: Calculate the area of a triangle which has base side of length 5m and height of 4m? Soultion: Triangle is a geometric shape which has 3 sides and 3 angles. The area of the triangle is = 1/2 *(base)* (height) Given: Base length of the triangle, b = 5m Height of the triangle, h = 4m This gives, Area of the triangle, A = 1/2 * 5m * 4m = 10m2. Therefore, area of the given triangle is 10m2 Example 2: Calculate the area of a circle if the radius of the circle is 3m. Solution: In the given question, radius of the circle, r = 3m Area of the circle is given by the formula, Area = * (radius)2 In the above formula, (known as pi) is a constant == Value of = 3.14 Therefore we get, Area of the circle, A = * (3m)2 == Area, A = 9 = 28.3m2 Hence area of the given circle, A = 28.3m2

How Much Do Portuguese Lessons Cost

How Much Do Portuguese Lessons Cost Finding Portuguese Classes For The Best Price ChaptersHow Much Do Portuguese Lessons Cost On Superprof?Is There A Way To Reduce The Cost Of Portuguese Courses?Other Factors To Consider When Looking For Portuguese LessonsIf you would like to learn a new foreign language, there are often two barriers that frequently arise:Do you have the necessary time to study the language and improve your skills; andDo you have the money to afford to pay for a foreign language tutor?When it comes to the amount of time you have available to learn a second, third, or even fourth language, the good news is that you can usually make solid progress, even if you’re time-poor, just by committing to learning on a daily basis, even if it’s just for 10 minutes. Ideally, if you can spend longer on your language studies, then that’s even better.When it comes to the cost of a language tutor, there are a lot of different variables to take into account, such as your budget and what you’d like to get out of any tuition courses.Below we provide a brief o verview of what you could expect to pay for Portuguese lessons, along with some tips and tricks to get the costs of tuition down.Knowing how much you can afford to spend on Portuguese lessons is very important. (Image Source: CC0 1.0, JamesQube, Pixabay)The tutor has many years of experience in tuition and/or has a graduate or postgraduate qualification in Portuguese.Generally speaking, you can expect to pay between £15 and £25 per hour for a Portuguese tutor, based on a variety of factors, including those discussed above.Superprof has a wide network of language tutors, including Portuguese tutors, which means that you should be able to find a tutor willing to provide online or in-person Portuguese lessons at a price that suits both you and your budget.Having online-only Portuguese classes can be a way to save money. (Image Source: CC0 1.0, Clker-Free-Vector-Images, Pixabay)Is There A Way To Reduce The Cost Of Portuguese Courses?If the average rates listed above make you shudder, then there are of course ways that you can try to reduce the average hourly cost of Portuguese lessons.For instance, you could try one or more of the following things:Have online-only classes;Consider taking group lessons if you want classes in-person; orLimit how long your lessons last.Let’s look at each approach in a little more detail below.Online-Only ClassesAs mentioned above, online classes tend to be cheaper overall than classes that involve you meeting someone in person. This can be down to a variety of factors, including reduced travel time or lower overheads in terms of hiring a space for lessons.If you live in a particularly expensive area, such as London, then it can really save you some cash to take up online language classes. In the capital, language courses can often be found at a premium, and one way to avoid the hefty price tag is to turn to online courses that are held via Skype or webcam. This way, you can still see and interact with your tutor, and you can also practice your Portuguese speaking and listening skills.Consider Group LessonsIf you really don’t want to have online-only Portuguese lessons, then there are other ways to cut down how much money you spend on language tuition.For instance, one way to cut down the cost of in-person courses is to simply attend a group class or workshop, rather than have one to one tuition. There are a few benefits to having group lessons as well. For example, you could get a group of friends to have the lessons with you if you are all interested in learning Portuguese, or equally, you’ll have a great chance to make new friends with the people that attend your Portuguese class!Additionally, group classes can be a great forum to ask each other questions about your language learning journeys and it can also be very helpful listening and speaking with a variety of different people in Portuguese.If you do decide to opt for group lessons, try to ensure that group sizes aren’t too large â€" you don’t really want to be sitting in a room with 30 other people vying for the teacher’s attention! Ideally, smaller class sizes are better, as that way the teacher has more time to spend with each student, and you’ll likely have more opportunity to ask the tutor any questions as you progress through the class.Superprof tutors are able to cater for both individual and group tuition, so it’s just a case of finding your ideal Portuguese tutor in Superprof’s database and setting up your first class!Limit How Long Your Lessons LastAnother way to reduce the cost of Portuguese lessons is to simply reduce how long you spend with your tutor. If your budget is particularly tight, then it may be worthwhile only having 45-minute sessions each week rather than the usual hour-long class.This way, you’ll be able to save some money, but will still have enough time to practice and develop core skills, such as reading, writing, listening, and speaking in Portuguese.Reducing how long your Portugue se classes are can be another way to save money. (Image Source: CC0 1.0, nattanan23, Pixabay)Other Factors To Consider When Looking For Portuguese LessonsWhile cost is extremely important when it comes to finding a new Portuguese tutor, there are some other factors that you need to bring into consideration to make sure you get the best return on your investment.A good tutor can teach you the basics and beyond of Portuguese much quicker and in a much more enjoyable way than a tutor who you don’t particularly engage well with, or who has a teaching style that is not compatible with your preferences.When it comes to pricing though, the main thing is to be realistic. If you’re set on having one to one tuition in a large city such as London, then you’ll have to accept that you’ll likely pay a premium for your Portuguese lessons compared to someone who lives in London but is prepared to attend group classes or have Skype lessons with their tutor.You should also think about your wi der goals when it comes to learning Portuguese, and whether you think your prospective tutor is best-placed to help you achieve them.For instance, have you considered whether you would rather learn Portuguese from a native speaker from Portugal, or would you rather learn Brazilian Portuguese from someone who lived in Brazil?Tutors, such as those on Superprof, often clarify whether they are experienced in teaching Brazilian Portuguese or European Portuguese, so it’s easy enough to find out which teachers would be the best fit for the type of Portuguese that you would like to learn.Whether you’d like to learn Portuguese to help you when you’re next travelling around Portugal or want to learn Brazilian Portuguese for work purposes, a great tutor can help you get there. Just make sure that, whichever tutor you select, you’re comfortable with their hourly rate and you have an idea of how long you’ll likely have lessons with them for.It’s not worth stretching your budget too t ight when learning a new language, especially when there are different approaches available that can help to keep the cost of lessons down.A good tutor should be able to teach you what you want to know without costing the earth. So whether you're a new learner and would like to expand your knowledge of Portuguese phrases, expressions or verbs, or you just want someone to communicate in Portuguese with and revise key aspects of grammar, a good Portuguese tutor should be able to improve your overall learning experience.