--- title: Online SAT / ACT Prep Blog by PrepScholar (59) description: PrepScholar helps you prep for the SAT / ACT by answering the most important questions online! (59) --- **[![PrepScholar](https://www.prepscholar.com/wp-content/uploads/2023/03/PrepScholar-Logo-Colored.png)](https://www.prepscholar.com/)** CALL NOW: [+1 (866) 811-5546](tel:18668115546) [![Start Free Trial](https://no-cache.hubspot.com/cta/default/360031/interactive-171805697634.png)](https://cta-service-cms2.hubspot.com/web-interactives/public/v1/track/redirect?encryptedPayload=AVxigLKJluK2NyG3jpAJh%2F2lClc1fhnVHyMZoQonqRxtJngB8FMX6lc78F84JqOaVAL0d36TA5%2FYuH%2FLCJw8AG3ewREi%2F7a3XDouZgjxWfYCBUge6z76KnSykOxONl3avMK0gUjJGpJdyJE2BDTx8g3bsgHwMtx4Kr9Jfh6Jr7WA2XEIgtLw1OoVvAMo4Kw%3D&webInteractiveContentId=171805697634&portalId=360031) ## Choose Your Test SAT Prep ACT Prep [PrepScholar Advice Blog](https://blog.prepscholar.com/) ☰ - Search Blogs By Category - [SAT](https://blog.prepscholar.com/topic/sat) - [ACT](https://blog.prepscholar.com/topic/act) - [College Admissions](https://blog.prepscholar.com/topic/college-admissions) - [AP and IB Exams](https://blog.prepscholar.com/topic/advanced-placement-ap) - [PSAT](https://blog.prepscholar.com/topic/psat-info-and-strategies) - [TOEFL](https://blog.prepscholar.com/topic/toefl) - [GPA and Coursework](https://blog.prepscholar.com/topic/coursework-gpa) ## [What Is Electrical Energy? Examples and Explanation](https://blog.prepscholar.com/electrical-energy-definition-examples) ![author image](https://cdn2.hubspot.net/hubfs/360031/author_ashley.png) Posted by [Ashley Robinson](https://blog.prepscholar.com/author/ashley-robinson) | February 28, 2021 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://f.hubspotusercontent30.net/hubfs/360031/feature-lightbulb-electricity-cc0.jpg)](https://blog.prepscholar.com/electrical-energy-definition-examples) **Electrical energy is an important concept that helps run the world as we know it.** In the U.S. alone, the average family uses [10,649 kilowatthours (kWh) per year](https://www.eia.gov/tools/faqs/faq.php?id=97&t=3), which is enough electrical energy to brew over 120,000 pots of coffee! But understanding what electrical energy is and how it works can be tricky. That’s why we’ve put together this article to help enlighten you! (Pardon our dad joke.) **Keep reading to learn all about electrical energy,** including: - The definition of electrical energy - How electrical energy works - If electrical energy is potential or kinetic - Electrical energy examples  By the time you’re finished with this article, you’ll know the essentials of electrical energy and be able to see its influence all around you. We’ve got a lot to cover, so let’s dive in! [Read More](https://blog.prepscholar.com/electrical-energy-definition-examples) ---   ## [How to Transfer Colleges Successfully: Complete Guide](https://blog.prepscholar.com/how-to-transfer-colleges-successfully) ![author image](http://cdn2.hubspot.net/hubfs/360031/author_lauren.png) Posted by [Dora Seigel](https://blog.prepscholar.com/author/dora-seigel) | February 27, 2021 [College Admissions](https://blog.prepscholar.com/topic/college-admissions) [![summary image](http://cdn2.hubspot.net/hubfs/360031/body_transferintro.jpeg)](https://blog.prepscholar.com/how-to-transfer-colleges-successfully) Transferring colleges can be a very difficult decision to make, but you need to find the college that is the right fit for you even if it means transferring. Whether you're trying to transfer from a 2-year school to a 4-year school or from one 4-year university to another, this article is to help you on your journey to transfer! [Read More](https://blog.prepscholar.com/how-to-transfer-colleges-successfully) ---   ## [What Are AP Classes? Why Should You Take Them?](https://blog.prepscholar.com/what-are-ap-classes-and-why-should-you-take-them) ![author image](http://cdn2.hubspot.net/hub/360031/file-2392391327-png/author_halle.png) Posted by [Halle Edwards](https://blog.prepscholar.com/author/halle-edwards) | February 25, 2021 [Advanced Placement (AP)](https://blog.prepscholar.com/topic/advanced-placement-ap) [![summary image](http://cdn2.hubspot.net/hub/360031/file-2577794137-jpg/main_getahead.jpg)](https://blog.prepscholar.com/what-are-ap-classes-and-why-should-you-take-them)   If you have started high school recently or are due to start soon, you might be wondering, "What are AP classes?" You might have heard that they are extra-advanced or that you can earn college credit by passing AP exams. **But how do these classes work exactly?** Read on for our guide to AP courses and learn how these special classes can get you ahead. [Read More](https://blog.prepscholar.com/what-are-ap-classes-and-why-should-you-take-them) ---   ## [How to Find the Best AP Practice Tests](https://blog.prepscholar.com/best-ap-practice-tests) ![author image](https://cdn2.hubspot.net/hubfs/360031/ellen.jpg) Posted by [Ellen McCammon](https://blog.prepscholar.com/author/ellen-mccammon) | February 25, 2021 [Advanced Placement (AP)](https://blog.prepscholar.com/topic/advanced-placement-ap) [![summary image](http://cdn2.hubspot.net/hubfs/360031/tool-1028850_640.jpg)](https://blog.prepscholar.com/best-ap-practice-tests) As you begin to prepare for your AP exams, you’ll need to consider which kinds of study tools will help you make the most of your prep time and help you meet your target score. **One of the most important study tools in your arsenal is the AP practice test.** This is true no matter which AP exam you’re taking. In this article, I’ll go over why you should use AP practice tests, **what roles they can serve in your studying process, and how to find the best AP practice exams for any AP.** [Read More](https://blog.prepscholar.com/best-ap-practice-tests) ---   ## [Yin and Yang: What Does the Symbol Mean?](https://blog.prepscholar.com/yin-yang-symbol) ![author image](https://cdn2.hubspot.net/hubfs/360031/christine.jpg) Posted by [Christine Sarikas](https://blog.prepscholar.com/author/christine-sarikas) | February 24, 2021 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://f.hubspotusercontent30.net/hubfs/360031/Feature_yinyang-cc0.png)](https://blog.prepscholar.com/yin-yang-symbol) You've seen the symbol, but what does yin yang mean? Not to mention, which is yin and which is yang? Yin and yang principles have a long and fascinating history behind them, and we've compiled all the most interesting and important bits in this article. Read on to learn: - The different meanings of yin and yang - What the yin yang symbol means and why it looks the way it does - A brief history of yin and yang (this symbol has been around much longer than you think!) - How yin yang principles have been used by everybody from politicians to interior decorators to martial artists [Read More](https://blog.prepscholar.com/yin-yang-symbol) ---   ## [What Is Maslow's Hierarchy of Needs? The 5 Levels Explained](https://blog.prepscholar.com/maslows-hierarchy-of-needs) ![author image](https://cdn2.hubspot.net/hubfs/360031/christine.jpg) Posted by [Christine Sarikas](https://blog.prepscholar.com/author/christine-sarikas) | February 22, 2021 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://f.hubspotusercontent30.net/hubfs/360031/feature_maslow-cc0.jpg)](https://blog.prepscholar.com/maslows-hierarchy-of-needs) You've probably heard of Maslow's hierarchy of needs, but what does it actually mean? Maslow's hierarchy is frequently mentioned, but what are its main points, why has it become so popular, and is it even accurate? In this article, we dive into Maslow's hierarchy of needs and answer the following questions: - What is Maslows hierarchy of needs? - What are the five levels of Maslow's hierarchy (and why do some sources mention eight levels?) - What are some Maslow's hierarchy of needs examples? - How is Maslow's hierarchy used in the real world? [Read More](https://blog.prepscholar.com/maslows-hierarchy-of-needs) ---   ## [The 5 Easiest AP Exams to Self-Study](https://blog.prepscholar.com/easiest-aps-to-self-study) ![author image](https://cdn2.hubspot.net/hubfs/360031/ellen.jpg) Posted by [Ellen McCammon](https://blog.prepscholar.com/author/ellen-mccammon) | February 21, 2021 [Advanced Placement (AP)](https://blog.prepscholar.com/topic/advanced-placement-ap) [![summary image](http://cdn2.hubspot.net/hubfs/360031/light-bulbs-1125016_640.jpg)](https://blog.prepscholar.com/easiest-aps-to-self-study) Once you've decided to self-study for an AP, you'll need to choose an exam that's right for you. With dozens of potential choices, it might seem overwhelming. I can demystify the choice for you. First, I'll give you four important factors to consider when you make your choice. Then, I'll list the **five easiest APs to self-study for**. After that, I'll touch on some other solid self-study choices before wrapping up with **a few AP exams you should *not* try to study for on your own**. [Read More](https://blog.prepscholar.com/easiest-aps-to-self-study) ---   ## [Can You Retake AP Exams? Expert Guide](https://blog.prepscholar.com/can-you-retake-ap-exams) ![author image](http://cdn2.hubspot.net/hubfs/360031/author_sam.png) Posted by [Samantha Lindsay](https://blog.prepscholar.com/author/samantha-lindsay) | February 21, 2021 [Advanced Placement (AP)](https://blog.prepscholar.com/topic/advanced-placement-ap) [![summary image](http://cdn2.hubspot.net/hubfs/360031/feature_canyouretakeaptests.png)](https://blog.prepscholar.com/can-you-retake-ap-exams) Most AP tests are very challenging, and scores don't always turn out the way you imagined they would. **If you're concerned that you've forfeited any chance of getting college credit, can you retake an AP exam?** In this article, I'll show you how you can bounce back from a low AP score to end up with college credits *and* AP Scholar Awards. [Read More](https://blog.prepscholar.com/can-you-retake-ap-exams) ---   ## [When Should You Start Studying for Your AP Exams?](https://blog.prepscholar.com/when-should-you-start-studying-for-your-ap-exams) ![author image](https://cdn2.hubspot.net/hubfs/360031/ellen.jpg) Posted by [Ellen McCammon](https://blog.prepscholar.com/author/ellen-mccammon) | February 21, 2021 [Advanced Placement (AP)](https://blog.prepscholar.com/topic/advanced-placement-ap) [![summary image](http://cdn2.hubspot.net/hubfs/360031/stamp-895385_640.png)](https://blog.prepscholar.com/when-should-you-start-studying-for-your-ap-exams)   So you’re taking a couple AP classes, they’re going well, and you feel pretty good about most of the material. The exam in May seems a long way off. **Do you need to start studying?** The answer is, that depends! Every student and every exam is different. However, my general advice is to **start studying no later than the midpoint of the school year.** (That would be after winter break for most of you.) Why the midpoint of the year? Keep reading to find out! I’ll also discuss **how many hours you should plan to prep based on how the course is going and what score you are aiming for.** Then I’ll present some strategies for determining how you should balance general conceptual review of the material and dedicated exam prep like taking practice exams. Finally, I’ll make suggestions as to when and how you should study based on overall course subject (math, science, foreign language, and so on.) Note that in this article I’m going to generally assume that you are taking the class for which you are going to take the AP exam. For self-study, see my article on [studying for AP exams without taking the class](https://blog.prepscholar.com/how-to-self-study-for-ap-exams). [Read More](https://blog.prepscholar.com/when-should-you-start-studying-for-your-ap-exams) ---   ## [The Best AP US History Review Guide](https://blog.prepscholar.com/ap-us-history-review) ![author image](http://cdn2.hubspot.net/hubfs/360031/author_sam.png) Posted by [Samantha Lindsay](https://blog.prepscholar.com/author/samantha-lindsay) | February 21, 2021 [Advanced Placement (AP)](https://blog.prepscholar.com/topic/advanced-placement-ap) [![summary image](http://cdn2.hubspot.net/hubfs/360031/feature_apushistoryreview.jpg)](https://blog.prepscholar.com/ap-us-history-review) It's hard to know where to start with your AP US History review. It's one of the tougher APs based on the thinking skills it requires and the amount of content it covers. You can't just read over your notes and expect to get a high score on the final exam in May. In this guide, **we give you a basic outline of what's on the AP US History exam, provide study tips, and lay out a step-by-step prep plan that you can customize to your needs**. [Read More](https://blog.prepscholar.com/ap-us-history-review) ---   ## [The Best AP US Government Review: 5-Step Guide](https://blog.prepscholar.com/ap-government-review) ![author image](http://cdn2.hubspot.net/hubfs/360031/author_sam.png) Posted by [Samantha Lindsay](https://blog.prepscholar.com/author/samantha-lindsay) | February 21, 2021 [Advanced Placement (AP)](https://blog.prepscholar.com/topic/advanced-placement-ap) [![summary image](http://cdn2.hubspot.net/hubfs/360031/feature_usgovernmentreview.jpg)](https://blog.prepscholar.com/ap-government-review) AP US Government can be a fascinating class for students who are interested in how the American political system works and what factors led to its formation. While the exam is less difficult than many other AP exams, **it's still important that you understand the types of questions and the most efficient ways to study for AP Government**. In this extensive AP Gov review guide, we'll go through sample test questions, list a step-by-step AP Government review process, and give you tips for making the most of your prep. [Read More](https://blog.prepscholar.com/ap-government-review) ---   ## [(Updated Guide) Weighted GPA Calculator](https://blog.prepscholar.com/weighted-gpa-calculator) ![author image](https://cdn2.hubspot.net/hubfs/360031/anna.jpg) Posted by [Dr. Anna Wulick](https://blog.prepscholar.com/author/dr-anna-wulick) | February 17, 2021 [Coursework/GPA](https://blog.prepscholar.com/topic/coursework-gpa) [![summary image](http://cdn2.hubspot.net/hubfs/360031/feature_calculator-2.jpg)](https://blog.prepscholar.com/weighted-gpa-calculator) Most likely, during high school you've taken a mix of classes: some honors, some standard, and some APs. The weighted GPA reflects that those classes have different difficulty levels. So what's the easiest way to figure out what your weighted GPA is? We have two great methods to calculate it! [Read More](https://blog.prepscholar.com/weighted-gpa-calculator) ---   ## [How to Win a Walmart Scholarship: Strategy Guide](https://blog.prepscholar.com/how-to-win-a-walmart-scholarship) ![author image](http://cdn2.hubspot.net/hubfs/360031/author_francesca.png) Posted by [Francesca Fulciniti](https://blog.prepscholar.com/author/francesca-fulciniti) | February 15, 2021 [Financial Aid](https://blog.prepscholar.com/topic/financial-aid) [![summary image](http://cdn2.hubspot.net/hubfs/360031/feature_walmart.png)](https://blog.prepscholar.com/how-to-win-a-walmart-scholarship) Walmart offers several scholarship opportunities for dependents of their employees. **The Walmart Dependent Scholarship is meant to cover college or vocational school expenses for those with financial need.** In this guide, I'll start by talking about eligibility requirements and the application process. If you're already familiar with this information, skip to the second half of this post—this is where I'll give tips and strategies for increasing your chances of winning a Walmart scholarship. [Read More](https://blog.prepscholar.com/how-to-win-a-walmart-scholarship) ---   ## [The Complete History of Hip Hop](https://blog.prepscholar.com/hip-hop-history-timeline) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | February 13, 2021 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/concert-633110_640.jpg)](https://blog.prepscholar.com/hip-hop-history-timeline) Although widely synonymous with rap music today, hip-hop actually got its start as a full-on cultural movement in the 1970s. For the first few decades that the term was around, hip-hop wasn’t just about music: it also referred to art, style, dance, and philosophy. In this article, we cover the full history of hip hop dance and music and include a helpful hip hop history timeline for reference. [Read More](https://blog.prepscholar.com/hip-hop-history-timeline) ---   ## [What Is the Specific Heat of Water? How Is It Special?](https://blog.prepscholar.com/specific-heat-capacity-of-water) ![author image](https://cdn2.hubspot.net/hubfs/360031/melissa.jpg) Posted by [Melissa Brinks](https://blog.prepscholar.com/author/melissa-brinks) | February 13, 2021 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/beach-3369140_640.jpg)](https://blog.prepscholar.com/specific-heat-capacity-of-water) If you’ve ever walked along a beach on a sunny day and dipped your toes in the water to cool them off after the hot sand, **you’ve taken advantage of the specific heat of water.** Despite how it may sound, specific heat doesn’t refer to the exact temperature of something. It’s a larger scientific concept that has to do with the energy it takes to heat a substance up. As you might have noticed from the example, **not all substances warm up at the same rate**—hence the different temperatures of the sand and water. Water’s specific heat is one of its most interesting characteristics. **In this article, we’ll be covering what specific heat is, what equation you use to find specific heat, and why water’s specific heat is so high.** [Read More](https://blog.prepscholar.com/specific-heat-capacity-of-water) ---   [Previous Page](https://blog.prepscholar.com/page/58) | [All Posts](https://blog.prepscholar.com/all) | [Next Page](https://blog.prepscholar.com/page/60) ### Trending Now [How to Get Into Harvard and the Ivy League](https://blog.prepscholar.com/how-to-get-into-harvard-and-the-ivy-league-by-a-harvard-alum) [How to Get a Perfect 4.0 GPA](https://blog.prepscholar.com/how-to-get-a-4-0-gpa-and-get-better-grades-by-a-harvard-alum) [How to Write an Amazing College Essay](https://blog.prepscholar.com/how-to-write-a-college-essay) [Should You Take the SAT or ACT?](https://quiz.prepscholar.com/sat-vs-act) [What Exactly Are Colleges Looking For?](https://blog.prepscholar.com/what-do-colleges-look-for) [ACT vs. SAT: 10 Key Differences](https://blog.prepscholar.com/act-vs-sat) [Calculate Your College Chances](https://mycollegechances.prepscholar.com/) Get Your Free **[![PrepScholar](https://www.prepscholar.com/wp-content/uploads/2023/03/PrepScholar-Logo-Colored.png)](https://www.prepscholar.com/)** eBook [5 Tips to Raise Your SAT Score 160+ Points](https://www.prepscholar.com/rp/sat-5-tips-ebook/) [5 Tips to Raise Your ACT Score 4+ Points](https://www.prepscholar.com/rp/act-5-tips-ebook/) ### SAT Prep [Find Your Target SAT Score](https://blog.prepscholar.com/what-is-a-good-sat-score-a-bad-sat-score-an-excellent-sat-score) [Free Complete Official SAT Practice Tests](https://blog.prepscholar.com/complete-official-sat-practice-tests-free-links) ### **[How to Get a Perfect SAT Score, by an Expert Full Scorer](https://blog.prepscholar.com/how-to-get-a-perfect-sat-score-by-a-2400-sat-scorer)** [Score 800 on SAT Math](https://blog.prepscholar.com/how-to-get-800-on-sat-math-by-a-perfect-scorer) [Score 800 on SAT Reading and Writing](https://blog.prepscholar.com/how-to-get-800-on-sat-reading-and-writing) [Raise Your SAT Score by 160+ Points GUARANTEED. 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