--- title: Online SAT / ACT Prep Blog by PrepScholar | Hayley Milliman (4) description: Hayley Milliman is a former teacher turned writer who blogs about education, history, and technology. When she was a teacher, Hayley's students regularly scored in the 99th percentile thanks to her passion for making topics digestible and accessible. In addition to her work for PrepScholar, Hayley is the author of Museum Hack's Guide to History's Fiercest Females. (4) --- **[![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) ## Hayley Milliman Hayley Milliman is a former teacher turned writer who blogs about education, history, and technology. When she was a teacher, Hayley's students regularly scored in the 99th percentile thanks to her passion for making topics digestible and accessible. In addition to her work for PrepScholar, Hayley is the author of Museum Hack's Guide to History's Fiercest Females. ### Recent Posts ## [The Best Chemistry Regents Review Guide 2020](https://blog.prepscholar.com/chemistry-regents-review) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | December 16, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/lab-217041_640-1.jpg)](https://blog.prepscholar.com/chemistry-regents-review) Confused about how to begin studying for the chemistry regents? This review guide will help you learn what’s on the test and how to prepare for it. In the guide, I’ll cover the format of the chemistry regents, list the concepts you can expect to see on the test, and provide sample questions for your chemistry regents review.   [Read More](https://blog.prepscholar.com/chemistry-regents-review) ---   ## [The IELTS Exam: Everything You Need to Know](https://blog.prepscholar.com/ielts-exam) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | December 16, 2019 [General Education](https://blog.prepscholar.com/topic/general-education), [TOEFL](https://blog.prepscholar.com/topic/toefl) [![summary image](https://cdn2.hubspot.net/hubfs/360031/student-849825_640.jpg)](https://blog.prepscholar.com/ielts-exam) Do you have to take the IELTS to prove your English proficiency to qualify for school or work? Then you'll want to know what the exam is and how to succeed at it. **In this guide, we cover everything there is to know about the IELTS exam:** who needs to take it, what the IELTS text format it, what IELTS score you'll need, and how the IELTS compares to other tests. [Read More](https://blog.prepscholar.com/ielts-exam) ---   ## [TEAS Study Guide: Everything You Need to Know About the Test](https://blog.prepscholar.com/teas-exam) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | December 11, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/nurse-2141808_640.jpg)](https://blog.prepscholar.com/teas-exam) Do you want to be a nurse? Then you’ll need to take the TEAS test. In this article, we’ll cover what the TEAS exam is, who takes the TEAS test, and give you a mini TEAS study guide so you’re ready to pass your test. [Read More](https://blog.prepscholar.com/teas-exam) ---   ## [What Is edTPA?](https://blog.prepscholar.com/edtpa) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | December 2, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/neonbrand-zFSo6bnZJTw-unsplash.jpg)](https://blog.prepscholar.com/edtpa) Are you pursuing a career as a classroom teacher? Then you might be wondering about the edTPA: what it is, whether you have to complete it, and how to pass. In this article, we’ll explain what the edTPA is and how to pass it. [Read More](https://blog.prepscholar.com/edtpa) ---   ## [How Many Sides Does a Pentagon Have?](https://blog.prepscholar.com/how-many-sides-does-a-pentagon-have) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | December 1, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/star-3615972_640.png)](https://blog.prepscholar.com/how-many-sides-does-a-pentagon-have) Wondering, “How many sides does a pentagon have?” Look no further! **This article will tell you everything you need to know about pentagons.** [Read More](https://blog.prepscholar.com/how-many-sides-does-a-pentagon-have) ---   ## [How Long Are Elephants Pregnant?](https://blog.prepscholar.com/how-long-are-elephants-pregnant) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | December 1, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/elephant-1822636_640.jpg)](https://blog.prepscholar.com/how-long-are-elephants-pregnant) Elephants are the largest land mammals in the world. There are two species of elephant: the African elephant (*Loxodonta africana*) and the Asian elephant (*Elephas maximus*). While the two species live in different places, they have many characteristics in common, including the duration of their pregnancies. **But how long are elephants pregnant for?** Read this guide to find out! [Read More](https://blog.prepscholar.com/how-long-are-elephants-pregnant) ---   ## [What Is a Major in College? 4 Steps to Pick the Right One](https://blog.prepscholar.com/what-is-a-major) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | November 11, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/classroom-1699745_640.jpg)](https://blog.prepscholar.com/what-is-a-major) While at college, you’ll need to pick a major, an area of study that you’ll specialize in. The vast majority of colleges and universities require students to pick a major. **Even if your school doesn’t make you pick a major, you’ll likely still follow a specific course of study to gain knowledge and experience in your field of choice.** In this article, we’ll answer the question “what is a major,” give the best college major definition, and talk you through how to decide which major to pick.   [Read More](https://blog.prepscholar.com/what-is-a-major) ---   ## [How to Become a Librarian: 3 Simple Steps](https://blog.prepscholar.com/librarian-career-salary) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | November 8, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/public-library-1388382_640.jpg)](https://blog.prepscholar.com/librarian-career-salary) **Do you love learning, organizing knowledge, and helping other people get access to the information they need?** Then a career as a librarian might be for you! While we traditionally think of librarians as working in libraries full of books, **there are a number of different career options for librarians.** In this article, we’ll outline what career paths are open to librarians and how to become a librarian.   [Read More](https://blog.prepscholar.com/librarian-career-salary) ---   ## [The 3 Steps to Become a Fashion Designer](https://blog.prepscholar.com/how-to-become-a-fashion-designer) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | November 5, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/catwalk-1840941_640.jpg)](https://blog.prepscholar.com/how-to-become-a-fashion-designer) Do you dream of creating clothes, accessories, or shoes? **Then you might want to consider a career in fashion design!** There’s no formal path to becoming a fashion designer: some designers become well-known and successful without any formal education or training. Others, however, take a more traditional route into the industry. In this article, we’ll explain how to become a fashion designer, the average fashion designer salary, and the skills you’ll need to be successful. [Read More](https://blog.prepscholar.com/how-to-become-a-fashion-designer) ---   ## [The Ultimate Decimal to Binary Convertor Tool](https://blog.prepscholar.com/binary-to-decimal-convertor) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | November 1, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/calculator-2374442_640.png)](https://blog.prepscholar.com/binary-to-decimal-convertor) The vast majority of us are familiar with decimals and the base-10 number system. **We use the base-10 number system in our everyday counting.** Fewer people are familiar with the binary system. **Binary is a number system that plays an important role in storing information for computers.** In this article, we’ll talk about what decimals are, what binaries are, and how to convert between the two.   [Read More](https://blog.prepscholar.com/binary-to-decimal-convertor) ---   ## [Is a Sports Management Degree Right for You?](https://blog.prepscholar.com/what-is-sports-management-degree) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | November 1, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/dumbbells-2465478_640.jpg)](https://blog.prepscholar.com/what-is-sports-management-degree) Are you considering a career in sports management? Whether you want to be a sports agent, a facilities manager, or something else entirely, a sports management degree can help you obtain the job of your dreams. In this article, **we’ll talk about the sports management definition, what a sports management salary looks like and who should (and shouldn’t) pursue a career in sports management.**   [Read More](https://blog.prepscholar.com/what-is-sports-management-degree) ---   ## [The Ultimate College Majors List: 295 Degrees to Consider](https://blog.prepscholar.com/college-majors-list) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | October 21, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/library-2507902_640.jpg)](https://blog.prepscholar.com/college-majors-list) When you get to college, you'll need to pick a major—a specific area of study that you'll specialize in. Your major can have a big impact on what you decide to do for work, as well as, obviously, how you spend your time in school. **In this article, we'll give a comprehensive college majors list so you can see what options there are.** Review this list of majors (we have hundreds!) so you're well informed on all the different routes you can take as a college student.   [Read More](https://blog.prepscholar.com/college-majors-list) ---   ## [The Truth About the Dilophosaurus: 5 Facts About the Spitting Dinosaur](https://blog.prepscholar.com/dilophosaurus-facts) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | October 7, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/australia-790784_640.jpg)](https://blog.prepscholar.com/dilophosaurus-facts) One of the most memorable scenes of the 1993 version of Jurassic Park comes when bumbling scientist Wayne Nedry encounters a rogue Dilophosaurus while trying to escape the park. Nedry is trying to free his car from some mud when he happens upon the Dilophosaurus. Initially, Nedry isn’t phased by the dinosaur, which looks too tiny to be a threat. Just when he thinks he’s safe, however, the Dilophosaurus spits poison in his face — ultimately leading to Nedry’s demise. The scene from *Jurassic Park* is entertaining, sure, but factually accurate? Not so much. **In this article, we break the truth about the Dilophosaurus:** what it was, how it lived and how it’s portrayed in pop culture. [Read More](https://blog.prepscholar.com/dilophosaurus-facts) ---   ## [What Is an Adverb? Understanding the 5 Types](https://blog.prepscholar.com/what-is-an-adverb) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | September 30, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/avel-chuklanov-DUmFLtMeAbQ-unsplash.jpg)](https://blog.prepscholar.com/what-is-an-adverb) If you’re trying to describe how, where, or when something happened in your writing, you’ll need to use an adverb. This class of words helps add specificity to what’s going on in the sentence. In this article, we’ll answer the question “What’s an adverb” by giving an adverb definition, explaining what adverbs can go, and giving examples of different types of adverbs. [Read More](https://blog.prepscholar.com/what-is-an-adverb) ---   ## [Understanding the Bohr Atomic Model](https://blog.prepscholar.com/bohr-model) ![author image](https://cdn2.hubspot.net/hubfs/360031/hayley.jpg) Posted by [Hayley Milliman](https://blog.prepscholar.com/author/hayley-milliman) | September 24, 2019 [General Education](https://blog.prepscholar.com/topic/general-education) [![summary image](https://cdn2.hubspot.net/hubfs/360031/atom-1674878_640%20%281%29.png)](https://blog.prepscholar.com/bohr-model) Atoms are the basic building blocks of chemistry. They are the smallest unit which matter can be divided into without releasing electrically charged particles. Scientists have a number of ways for describing the structure of atoms. **In this article, we’ll focus on one of those models: the Bohr model, which was first proposed by Niehls Bohr in 1913.** In this article, we’ll explain what the Bohr atomic model is, give a Bohr diagram for the first element, as well as provide information for the 20 elements on the periodic table, and explain how the Bohr model is used. 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