SAT / ACT Prep Online Guides and Tips

Christine Sarikas

Christine graduated from Michigan State University with degrees in Environmental Biology and Geography and received her Master's from Duke University. In high school she scored in the 99th percentile on the SAT and was named a National Merit Finalist. She has taught English and biology in several countries.

Recent Posts

7 Steps to a Successful Georgetown Application

Posted by Christine Sarikas | Aug 25, 2019 12:00:00 PM

College Admissions

Georgetown University is one of the most selective universities in the country—less than 12% of students who applied during the 2018/2019 school year got accepted. However, understanding the application and what Georgetown admissions officers are looking for when they review your application can give you a serious leg up over the rest of the competition.

In this guide, we go over everything you need to know about the Georgetown University application, including what you need to submit, every Georgetown application deadline, what admissions officers are looking for when they review applications, and how you can make each key part of your application stand out from the pack.

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The 5 UC Application Tips You Need to Get Into University of California

Posted by Christine Sarikas | Aug 25, 2019 11:00:00 AM

College Admissions, College Info

If you’re applying to one or more of the UC schools, you want to make sure you get the application right. This step-by-step guide will walk you through everything you need to know about the UC application, from the time you decide to apply to a UC school to when you submit the final piece of the application.

Keep reading to learn when the most important UC application deadline is, which documents you need to submit to complete your application, if you need a separate application for each UC school, and how you can make sure every part of your application sets you apart from the crowd.

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10 Key Differences Between Mitosis and Meiosis

Posted by Christine Sarikas | Aug 19, 2019 2:00:00 PM

General Education

Getting mitosis and meiosis confused on a biology exam can cost you a lot of points, so it's important to keep these two cellular processes straight. In this guide, we break down mitosis vs meiosis, explain each of the processes, and lay out their similarities and differences so that you’ll be able to easily explain what each process does and how the two differ.

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17 Great Teaching Tools for Organization, Assessment and More

Posted by Christine Sarikas | Aug 19, 2019 12:00:00 PM

General Education

If you’re a teacher, you’re already doing a lot, but luckily there are many tools available to make your job a little bit easier. Teaching tools can help with everything from creating quizzes to promoting good behavior, and many educators find them incredibly useful.

Practically anything can be a teaching tool; a handful of Post-It notes can be a tool if they help you with tasks like figuring out seating arrangements or keeping track of your calendar. However, for the purposes of this guide, we define teaching tools as an online resource that helps teachers with any aspect of their job. Read on to learn what tools for teachers can do and to read descriptions of 17 of the best teaching aids out there.

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The Expert's Guide to the AP Calculus AB Exam

Posted by Christine Sarikas | Aug 18, 2019 10:00:00 AM

Advanced Placement (AP)

Are you taking the AP Calculus AB exam this spring and want to be well prepared on test day? The AP Calculus AB exam in 2020 will be held on Tuesday, May 5, at 8 am.

Before you sit down to take the exam, though, it’s critical that you know how the Calculus AB test is formatted, what topics it covers, and how you’ll be scored on it. This guide will go over all of that information while also showing you official sample problems and giving you tips on the best way to prepare for AP Calculus AB. 

The exam was updated in May 2017, so this guide will explain what changes have been made and how they might affect your review. The AP Calculus AB exam can sometimes seem overwhelming, but we're here to break it down into clear and manageable information for you. You can also check out CollegeBoard's new AP Classroom tool for AP Calculus AB, which has additional resources and information. Let’s get started!

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11 Fun Toddler Learning Games for Your Preschooler

Posted by Christine Sarikas | Aug 11, 2019 5:00:00 PM

General Education

Looking for games that your toddler will both enjoy and gain important skills from? We’ve got you covered! In this guide, we go over 11 of the best toddler learning games. These educational games for toddlers can be played with few materials, one or more children, and toddlers of varying age ranges. For each game, we explain what skills it will teach toddlers and give instructions on how to set up and play the game.

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How Many Zeros in a Googol? A Googolplex?

Posted by Christine Sarikas | Aug 5, 2019 3:00:00 PM

General Education

What’s a googol, and does it have any relation to that similarly-named website? And what about a googolplex, how many zeros does it have? In this guide, we’ll give you googolplex and googol definitions, show how you can write them out, explain how they’re useful, and give examples on how you can start to understand huge numbers like these.

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The 22 Key Alchemy Symbols and Their Meanings

Posted by Christine Sarikas | Aug 1, 2019 1:00:00 PM

General Education

Have you seen images of alchemy symbols and want to know more about what they mean? Alchemy element symbols have been around for centuries, and people are often interested in them because they contain some of the mystique the field of alchemy does.

But what do those symbols mean? And how were the elements they represent used by alchemists? In this guide we’ll give a background on alchemy and alchemy symbols, then we’ll cover every major alchemy symbol, including what it stood for, the properties it was associated with, and any interesting facts that go along with the alchemy symbols and meanings.

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What Is Commensalism? Definition and Examples

Posted by Christine Sarikas | Jul 30, 2019 2:00:00 PM

General Education


Are you studying commensalism in biology class and looking for a good commensalism definition? Commensalism is one of the trickier types of symbiosis to understand, but we'll break it down for you. Read this article to discover what commensalism is, the different types of commensalism, commensalism examples in nature, and the other types of symbiosis and how they differ from commensalism.

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What Is a Vacuole? Understanding the 4 Main Functions

Posted by Christine Sarikas | Jul 29, 2019 1:00:00 PM

General Education

What is a vacuole and what does it do? A vacuole is a structure found in animal, plant, bacteria, protist, and fungi cells. It’s one of the largest organelles found in cells, and it’s shaped like a large sac. Vacuoles have a simple structure: they are surrounded by a thin membrane and filled with fluid and any molecules they take in. They look similar to vesicles, another organelle, because both are membrane-bound sacs, but vacuoles are significantly larger than vesicles and are formed when multiple vesicles fuse together.

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What Is Transcendentalism? Understanding the Movement

Posted by Christine Sarikas | Jul 23, 2019 12:00:00 PM

General Education

Confused about transcendentalism? You’re not alone! Transcendentalism is a movement that many people developed over a long period of time, and as a result, its complexity can make it hard to understand.

That’s where we come in. Read this article to learn a simple but complete transcendentalism definition, key transcendentalist beliefs, an overview of the movement's history, key players, and examples of transcendentalist works. By the end, you’ll have all the information you need to write about or discuss the transcendentalist movement.

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113 Perfect Persuasive Essay Topics for Any Assignment

Posted by Christine Sarikas | Jun 19, 2019 12:00:00 PM

General Education

Do you need to write a persuasive essay but aren’t sure what topic to focus on? Were you thrilled when your teacher said you could write about whatever you wanted but are now overwhelmed by the possibilities? We’re here to help!

Read on for a list of 113 top-notch persuasive essay topics, organized into ten categories. To help get you started, we also discuss what a persuasive essay is, how to choose a great topic, and what tips to keep in mind as you write your persuasive essay.

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5 Steps to Write a Great Analytical Essay

Posted by Christine Sarikas | Jun 18, 2019 12:00:00 PM

General Education

Do you need to write an analytical essay for school? What sets this kind of essay apart from other types, and what must you include when you write your own analytical essay? In this guide, we break down the process of writing an analytical essay by explaining the key factors your essay needs to have, providing you with an outline to help you structure your essay, and analyzing a complete analytical essay example so you can see what a finished essay looks like.

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3 Strong Argumentative Essay Examples, Analyzed

Posted by Christine Sarikas | Jun 13, 2019 6:00:00 PM

General Education

Need to defend your opinion on an issue? Argumentative essays are one of the most popular types of essays you’ll write in school. They combine persuasive arguments with fact-based research, and, when done well, can be powerful tools for making someone agree with your point of view. If you’re struggling to write an argumentative essay or just want to learn more about them, seeing examples can be a big help.

After giving an overview of this type of essay, we provide three argumentative essay examples. After each essay, we explain in-depth how the essay was structured, what worked, and where the essay could be improved. We end with tips for making your own argumentative essay as strong as possible.

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Out Now: The PrepScholar Guide to ACT Science Book!

Posted by Christine Sarikas | Jun 9, 2019 12:00:00 PM

ACT Science

Do you struggle with ACT Science? You’re not alone! Science is often the ACT section students feel least comfortable with because it’s so different from the science exams you take in school. Despite this, there are very few books specifically dedicated to ACT Science. At PrepScholar, we decided to use our expert ACT knowledge to fix that.

The PrepScholar Guide to ACT Science is the book for students wanting to understand and ace ACT Science. It gives an in-depth analysis of the Science section and explains why students find it so tricky. It also analyzes every single type of passage and question you’ll see on ACT Science so that nothing will be a surprise on test day. By the end of the book, you’ll know all the tricks exam makers use to try to make students select the wrong answer, and you’ll be able to see through every one of them.

This book will also walk you through the fastest and most effective way to study for the Science section. Instead of trying to cram all the science information you learned in school, we give you a short list of every science fact you could be tested on in ACT Science. They contain the only science facts you need to know, so you can put your textbooks down and focus on studying smarter, not harder. We also explain multiple ways to read and attack Science passages so you can choose the strategy that gets you your highest score. Finally, all of these insights include high-quality sample problems and explanations throughout the book so you can understand how to use these skills on real ACT Science questions.

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