Chemistry is an important subject that you’ll definitely need to know if you’re planning to pursue a chemistry or other science major in college. One thing you should be familiar with is the law of conservation of mass. What is it? And how is it used in chemistry?

Keep reading to learn what the law of conservation of mass is and how it came to be. We will also give you some law of conservation of mass examples to help you understand the concept better.

It’s estimated that there are anywhere from 3,000 to 5,000 different language dialects currently spoken around the world.

If you’re a world traveler or just interested in other cultures, you might be interested in learning to say hello in different languages. While we won’t cover all 5,000 here, we will teach you how to greet people in 60 different ways.

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.

When you’re learning a new language, politeness is key. You’re almost guaranteed to make mistakes when speaking, but a lot of the confusion and awkwardness can be smoothed over with a few simple courtesy phrases. In this guide, we explain the most common way to say thank you in German, then give nearly a dozen other ways of expressing thanks so you always have the right phrase to use for every situation. We end with other polite phrases in German that you should know.

The AP Literature exam is designed to test your ability to analyze literature. That means you'll have to know how to use analytical tools, like literary elements, to uncover the meaning of a text.

Because literary elements are present in every piece of literature (really!), they're a good place to start when it comes to developing your analytical toolbox. In this article, we'll give you the literary element definition, explain how a literary element is different from a literary device, and look at the top nine literary elements you need to know before taking the AP Literature exam.

So let's get started!

Who’s and whose both come from the pronoun who. While both words sound the same, they have very different meanings. These homophones can be tricky for even the most seasoned writers.

In this article, we’ll discuss whose vs who’s, explain when to use whose or who’s, and give you tricks for remembering proper usage.

Whereas fall means college application season, spring means admission notifications time. All high school seniors want to get a college acceptance letter to their top-choice school. But what exactly does an admittance letter look like? And what does it say?

In this article, we go over what information a typical college acceptance letter includes and show you real college acceptance letter samples so you can get an idea of what they look like. We also give you our top four tips for what to do after you get an admittance letter.

In 1898, the US was fighting the Spanish-American War and occupying Cuba as part of its involvement in maintaining the island’s newfound independence. Once the war was over, the US still wanted to maintain influence in Cuba. In order to achieve this, the Platt Amendment was passed. Read this guide to learn what the Platt Amendment includes, why it was created, what important dates are associated with it, and how its impacts live on today, including how it led to the creation of Guantanamo Bay.

Understanding how the United States government works is critical to succeeding on the AP United States Government and Politics exam. That includes having a solid understanding about how each piece of the federal government works together.

One of the key components of this is the checks and balances system, which is where each branch of government checks--or limits--the power of the others. And unfortunately, understanding how those checks work can be a little confusing.

That’s where this article comes in. Today, we’re going to investigate how the executive branch of the U.S. government checks the judicial branch. To do this, we’ll:

• Define the three branches of government
• Examine how the judicial and executive branches operate
• Answer the question, “How does the executive branch check the judicial branch?”

So let’s get started!

If you have a goal of becoming a K-12 teacher, there are a number of ways to become licensed. Depending on where and what you want to teach, you can pursue a degree from an approved teacher education program or a means of alternative certification.

In this article, we’ll cover how and where you can get a teaching degree, as well as which type of certification is best for your situation.

One of the best ways to practice a language is to read it. It’s even better when you read idiomatic phrases that don’t always translate directly into English. That helps you learn more than just vocabulary--it teaches you to unlock the meaning behind the words, too. It’s definitely a skill you’ll definitely need to ace your AP Spanish Language exam or your AP Spanish Literature exam!

Today, we’re going to introduce you to 9 of the best inspirational Spanish quotes about life. Reading through these will help you practice your advanced reading and comprehension skills...and it might just give you some food for thought, too. For each quote, we’re going to give you:

• The Spanish quote
• The English translation of the quote
• A short discussion of why the quote is inspirational

¿Listos? ¡Bien, empecemos!

On the evening of October 4, 1997, one man loaded $17.3 million in cash from the vaults of Loomis, Fargo & Co. into the back of a van. When he was done, the man drove off to a nearby printing press, where the money was distributed into private vehicles amongst a handful of people.

Pocketing $50,000 for himself, that man, named David Ghantt, hopped into a car of his own and headed towards Mexico.

If you’re thinking of applying to college, it’s vital that you know what the SAT is and how it will affect your application process.

So what is the SAT? It’s one of two standardized college admissions tests in the US. (The other is the ACT.) It's run by the College Board, a non-profit that also administers the PSAT and the AP (Advanced Placement) program.

One of the types of questions you’ll see on both the SAT exam and the ACT exam are word problems. You know, situations where you’re given real-world scenarios, and you have to figure out the answer to a particular question based on the data you’re given.

It’s common to see conversions in word problems. Conversions ask you to change a value from one form of measurement into another. In today’s article, we’re going to cover one specific type of measurement conversion: imperial volume conversion.

Specifically, we’re going to show you how to figure out how many cups are in 4 quarts. (Spoiler alert: 16 cups are in 4 quarts!)

We’ll teach you:

• The math formula for converting cups to quarts
• How to figure out how many cups is 4 quarts by figuring out the cups to quarts conversion
• How to read a chart that explains different imperial volume conversions

Ready? Let’s dive in!

Knowing how to ask where the bathroom is located is crucial if you’re traveling somewhere new or learning a new language. Read this guide to learn about all the different ways to say “bathroom” in Spanish, including which terms you should use in different situations. You’ll also learn how to ask to use the bathroom in Spanish, as well as additional bathroom-related words and phrases.