Independent and dependent variables are important for both math and science. If you don't understand what these two variables are and how they differ, you'll struggle to analyze an experiment or plot equations. Fortunately, we make learning these concepts easy!

In this guide, we break down what independent and dependent variables are, give examples of the variables in actual experiments, explain how to properly graph them, provide a quiz to test your skills, and discuss the one other important variable you need to know.

Not sure what number comes after trillion? Interested in the names of other very large numbers? What is a Googol exactly? Read on to learn what comes after trillion, the name of every important number that's larger than trillion, and some ways to help you conceptualize extremely large values.

Are you thinking about high school electives and wondering what your options are? Unlike required courses, electives are classes you choose based on your interests. Most high schools offer electives that cover a wide variety of topics, so you're sure to find some that interest you!

This list was created by compiling the elective options from numerous high schools across the country. A variety of schools were used including public, private, large and small schools in order to create a complete list of high school electives.

How important are recommendation letters in a college application? According to William Fitzsimmons, dean of admissions and financial aid at Harvard, they are "extremely important."

If you're a student, examples of great letters of recommendation can help you understand how to get strong letters yourself from your teachers. If you're a teacher, the examples in this guide will inspire you to support your students strongly as they apply to college. Keep reading for four excellent letters from teachers that will get anyone into college, along with expert analysis on why they're so strong.

One of the hardest parts of writing a research paper can be just finding a good topic to write about. Fortunately we've done the hard work for you and have compiled a list of 113 interesting research paper topics. They've been organized into ten categories and cover a wide range of subjects so you can easily find the best topic for you.

In addition to the list of good research topics, we've included advice on what makes a good research paper topic and how you can use your topic to start writing a great paper.

Need to analyze The Scarlet Letter or To Kill a Mockingbird for English class, but fumbling for the right vocabulary and concepts for literary devices? You've come to the right place. To successfully interpret and analyze literary texts, you'll first need to have a solid foundation in literary terms and their definitions.

In this article, we'll help you get familiar with most commonly used literary devices in prose and poetry. We'll give you a clear definition of each of the terms we discuss along with examples of literary elements and the context in which they most often appear (comedic writing, drama, or other).

Before we get to the list of literary devices, however, we have a quick refresher on what literary devices are and how understanding them will help you analyze works of literature.

Are you struggling to find good persuasive speech topics? It can be hard to find a topic that interests both you and your audience, but in this guide we've done the hard work and created a list of 105 great persuasive speech ideas. They're organized into ten categories and cover a variety of topics, so you're sure to find one that interests you.

In addition to our list, we also go over which factors make good persuasive speech topics and three tips you should follow when researching and writing your persuasive speech.

Are you a high school student who's thinking about graduating early? Maybe you have an exciting internship offer, want to start college early, or are interested in jumping right into the workforce.

The good news is that graduating high school early is often not as challenging as many people might think it is. This guide will give you all the tips and information you need to know about how to graduate from high school early in an easy and hassle-free way. It will also help you decide whether graduating early is ultimately the right decision for you.

Are you starting to ask yourself, When should I take the ACT for the first time? The answer to this is a little more complex than the question. There are several factors to consider here, so let's review them so you can make an informed decision.

First, when do most students take the ACT for the first time?

Doing well on the ACT Reading section requires a fair amount of practice, especially if you're not used to the format and timing of the test. In order to get the most out of your study time, you need to be using the highest quality practice materials available to you.

In this article, I'll go through some of the best resources for ACT Reading practice tests and tell you why you should use them!

Are you a high school student with dreams of studying pre-med in college and becoming a doctor? Maybe you've heard how difficult it can be to get into med school and are trying to plan ahead in order to raise your chances of acceptance? Well, you've come to the right place!

This guide will go over everything you can do in high school to make yourself more prepared to begin a pre-med program in college. I'll go over the classes you should be taking, the extracurriculars you should be participating in, and what you need to be thinking about as a high school student.

Are you wondering which classes to take in high school? Do you want to find out what courses may be offered for each subject?

We've compiled a complete list of high school classes for you to see all the possible course options high school students may have. We'll cover everything from science and math to electives and the humanities.

Acute, obtuse, isosceles, equilateral…When it comes to triangles, there are many different varieties, but only a choice few that are "special." These special triangles have sides and angles which are consistent and predictable and can be used to shortcut your way through your geometry or trigonometry problems. And a 30-60-90 triangle—pronounced "thirty sixty ninety"—happens to be a very special type of triangle indeed.

In this guide, we'll walk you through what a 30-60-90 triangle is, why it works, and when (and how) to use your knowledge of it. So let's get to it!

Princeton University is often hailed as one of the best universities in the country. But what else do you know about this prestigious institution? Is Princeton University Ivy League? And what kinds of activities does it offer students?

In this guide, we'll introduce to you all the essential facts to know about Princeton, including where it’s based, what the Princeton acceptance rate is, what the student outlook and life are like, and what kind of financial aid you can expect to get.

Are you transferring high schools or will be transferring soon? Are you wondering how this will affect your high school transcripts, when you'll graduate, and how schools view your college applications? Then this guide is for you!

Read on to learn how to transfer high schools, what it means for your future, and the steps you can take in order to make this process as smooth and easy as possible.