SAT / ACT Prep Online Guides and Tips

Verbs are one of the two essential parts of a sentence, along with nouns. You need both a noun and a verb to make a complete sentence.

In this article, we’ll explain what is a verb and how a verb functions in a sentence. You’ll also get to practice determining what the verb in a sentence is and what the different types of verbs are.

If you’re studying chemistry, you’ll likely learn about electronegativity. In this guide we’ll break down everything you need to know about electronegativity: what it is, why it matters, how it’s measured, and trends for electronegativity on the periodic table.

The midpoint formula lets you find the exact center between two defined points. You might encounter this formula in your economics or geometry class or while prepping for a college entrance exam like the SAT or ACT.

In this article, we’ll answer the questions what is the midpoint formula and when do you use the midpoint formula, as well as provide example problems you can try.

If you’re studying biology, you’ll likely learn about animal cells. Cells are the basic building blocks of all life. Animal cells are types of cells that are specifically found in animals.

In this guide, we’ll explain what animal cells are, the difference between plant and animal cells, and other important information. By reading this guide, you’ll learn everything you need to know about animal cells.

Mark Twain has been a household name since the nineteenth century. Known for the bestselling adventures of Huckleberry Finn and Tom Sawyer, Twain has also gained popularity for the pithy words of wisdom he shared.

A STEM degree can encompass many different fields of study. In this article, we’ll break down what STEM means, whether a STEM program is right for you, and a complete STEM majors list.

Do you want to learn Italian or are you planning a vacation in Italy? Va bene!

In this article, I’ll teach you some basic words to start introducing yourself in Italian.

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.

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.

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.

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.

On March 29, 1869, two soldiers and a young boy pushed a small boat into the icy waters of Newport Harbor.

The soldiers needed passage to the nearby Fort Adams and the boy told them he knew how to navigate the turbulent waters of the harbor quickly and safely. The trio hadn’t been at sea for very long when a snowstorm descended upon Rhode Island.

The waves became more and more choppy and soon, the boat overturned. The boy was quickly lost, succumbing to the freezing waters. The soldiers managed to grab hold of the upside down boat and clung to it, helplessly.

From the shore, a twelve-year-old girl saw the capsized boat and knew immediately what she needed to do. Running to her own boat without pausing to put on her coat or shoes, the girl rushed into the dangerous harbor and rowed towards the dying men.

That girl was Ida Lewis.

What is a perfect square? How do you know if a number is a perfect square?

In this article, we’ll define perfect squares, provide a list of the first 25 perfect squares (and the integers that make them up), and teach you how to tell if a number is a perfect square. 

The Cartesian plane (or the x-y plane) is a two-line graph on which you plot ordered pairs. The two intersecting lines of the Cartesian plane make four distinct graph quadrants.

In this article, we’ll discuss what graph quadrants are, how to manipulate data points on graph quadrants, and walk through some sample graph quadrant problems.

All living things are made of cells and all cells have different parts that perform specific functions. One of the parts present in every cell is called the cell membrane.

In this article, we’ll discuss the cell membrane structure and function, answering the questions “what does the cell membrane do?” and “why is the cell membrane important?”