SAT / ACT Prep Online Guides and Tips

Since the AP Physics 2 exam is notoriously difficult, it should be comforting to know that your exam booklet will include a reference sheet that lists many of the conversion factors, formulas, and equations you’ll need to use during the exam. There’s a lot of information on the three page equations sheet provided on the AP Physics C exams, though, so it’s important to be familiar with the info included on the sheet and how to use it to your advantage during the AP test. 

That’s why we’ve developed the PrepScholar AP Physics 2 equation sheet. Our sheet contains all the formulas and information you’ll see on the official College Board Physics 2 equation sheet, plus explanations of the equations so you’ll know when to use them. This sheet is designed to be a study tool for you as you prepare for your AP Physics C exam.

In this article, we’ll help you gain a full understanding of what the AP Physics 2 equation sheet is, what formulas it includes, and how to use them on the AP exam. We’ll also give you 3 practical tips for using the AP Physics 2 formula sheet as a study guide, and a list of tips for using the equations sheet effectively on exam day.

Let’s dive in!

Out of all the rainbow of colors gemstones can come in, blue gemstones are the most popular. There are a huge variety of blue gems, from delicate pale aqua to richly saturated dark blue. Some stones are pure blue, while others include shades of violet, green, white, or gold.

This guide explores 11 of the most popular and beautiful gemstones. Each of these blue gemstones includes a chart with important characteristics, as well as average prices for each gemstone, how it is used in jewelry, and how it's unique from other blue gemstones.

If you are interested in purchasing a blue gemstone or jewelry that includes a blue gemstone but aren't sure which type of stone to buy, our guide will help you easily compare different blue stones. At the end of this guide, there is also a section on how to choose the best blue gemstone for you.

Looking into Enneagrams and want to know more about Enneagram Type 9? We're here to help! Read on to learn all about what Type 9s are known for, what they care about (and fear most), how to tell if you're a Type 9, the best Enneagram Type 9 careers, and how this type acts with friends, family, and when they're in love.

Many students opt to take a math AP exam, and Calculus AB is a popular choice since it's slightly easier than Calculus BC. But to get a high score on it, you'll need to do very well on the free-response section, which requires you to write out your answers to multi-step problems.

In this complete guide, we go over the AP Calculus AB Free Response section structure, provide examples to show you how it's graded and what a correct answer looks like, and give you some tips for acing this tricky section of the exam.

In your science class, you may have heard of chemical and physical changes. But do you know how to tell the difference between the two? The answer lies in whether or not a change to a substance results in its molecules being rearranged.

In this article, we will define chemical and physical and changes. Then we'll take a look at specific chemical change examples and physical change examples to better understand their differences and similarities.

So let's get started!

A chemical equation tells you what happens during a chemical reaction. A balanced chemical equation has the correct number of reactants and products to satisfy the Law of Conservation of Mass.

In this article, we’ll talk about what a chemical equation is, how to balance chemical equations, and give you some examples to aid in your balancing chemical equations practice.

Are you loyal, trustworthy, and responsible...kind of like a modern-day Frodo Baggins from Lord of the Rings? Would your closest friends describe you somebody that everyone can count on to get the job done?

If you’re thinking, “Yep, I’d totally be the one to get the Ring to Mordor,” then there’s a chance you might be an Enneagram Type 6! Like Frodo, Sixes are loyal to their convictions and their people, which is why they’re known as “the Loyalist.”

There’s a lot more to being a Six than just loyalty, though. We’ve written this article to help you gain a deeper understanding of the Enneagram 6 personality type. We’ll cover:

• How to tell if you’re an Enneagram 6 (five question quiz included!) 
• The top five things you should know about being an Enneagram 6
• What Enneagram Type 6 romantic relationships are like  
• The best Enneagram Type 6 careers 
• The Enneagram Type 6 wings (Enneagram Type 6 wing 5 and Enneagram Type 6 wing 7)

Are you ready to learn all about The Loyalists? Then keep reading! 

In order to heal an injury, your body needs to replace damaged cells with healthy new ones...and mitosis plays a crucial role in this process! Mitosis is a process of cell division that helps you stay alive and healthy. In other words, in the world of cell biology, mitosis is kind of a big deal! 

But like with anything science-related, mitosis can be sort of confusing when you first try to understand it. The key idea is that the process of mitosis involves four phases, or steps, that you need to understand if you want to understand how mitosis works.

In this article, we’re going to do the following things to break down the four steps of mitosis for you and help you get acquainted with the mitosis phases:

• Briefly define mitosis and eukaryotic cells
• Break down the four phases of mitosis, in order
• Provide mitosis diagrams for the stages of mitosis
• Give you five resources for learning more about the phases of mitosis
  
  

Now, let’s dive in!

Enneagrams have exploded in popularity in recent years, and many people are eager to learn their Enneagram type and what it means. Once you've answered the question, "What Enneagram am I?" use this guide to learn about the 9 Enneagram types. In our Enneagram type descriptions, we go over major characteristics, as well as the top positive and negative personality traits. We also explain Enneagram wings and arrows, and how knowing your Enneagram can help you.

You'll no doubt have to write a number of argumentative essays in both high school and college, but what, exactly, is an argumentative essay and how do you write the best one possible? Let's take a look.

A great argumentative essay always combines the same basic elements: approaching an argument from a rational perspective, researching sources, supporting your claims using facts rather than opinion, and articulating your reasoning into the most cogent and reasoned points. Argumentative essays are great building blocks for all sorts of research and rhetoric, so your teachers will expect you to master the technique before long.

But if this sounds daunting, never fear! We'll show how an argumentative essay differs from other kinds of papers, how to research and write them, how to pick an argumentative essay topic, and where to find example essays. So let's get started.

If you’re studying biology, you’ll likely learn about the cell theory. The cell theory is one of the most important tenets of biology, and practically everything else you learn in science class relates back to it. But what is the cell theory? In this guide, we’ll give you a clear cell theory definition, explain key dates in the history of this theory, and explain why it’s so important to understand. After reading this guide, you’ll know everything you need to know about the cell theory!

We’ve all had a song that gets stuck in your head. But what is that part that you can’t shake and can’t help but sing along to? That's the melody! What is melody in music? The melody is usually the most important and identifiable part of a song, and most of us can pick out a melody without much trouble. But what is melody, and why is it special? We’ll go into a brief overview of the melody definition, how it’s different from a harmony, and how to identify it.

Wondering how to become a CPA or an accountant? It can be a long process, but once you know the steps to take, you can focus on completing them quickly and expertly so you can start your dream job as quickly as possible. This guide will answer the following questions:

• What do accountants and CPAs do?
• How to become a CPA/How to become an accountant
• How to become a CPA without a degree in accounting
• How long does it take to become an accountant?
• What are the accountant education requirements?

No high school diploma? Then you might be thinking about taking the GED test. Can you take the GED online? What about online GED courses?

In this guide, we'll discuss what the overall GED process entails and why you can't actually take the GED online (even though it would definitely be more convenient!). We'll also give you our top picks for the best online GED classes.

On January 19th, 2021, the CollegeBoard announced that it would stop offering the optional SAT Essay after June 2021. 

This is a big change, and students are curious about how this may impact the college admissions process. In this article, we’ll cover these new changes to the SAT Essay testing process and help you understand what they mean for you. 

Here’s what you need to know.