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What do you actually learn in high school biology? Our expert Patrick Roisen explains it all for you.

Watch over 400 FREE videos on Brightstorm - http://bit.ly/1rgqK1e

Biology Definition - Biology Video by Brightstorm Time-saving video from Brightstorm on the definition of Biology. Introduces the definition of Biology and what is typically covered in a high school Biology course

Did you know we offer more than 400 FREE videos in 19 subjects? Check out all free videos - http://bit.ly/1rgqK1e

Finding the Slope of a Line - Time-saving Math Video by Brightstorm A video demonstration of finding the slope of a line from a graph. Finding the slope of a line from a graph is one of the simplest ways to compute slope, just count over and up.

New Pre-algebra video on how to multiply & reduce fractions.

Multiplying and Reducing Fractions - Fractions and mixed numbers - Pre-algebra 3/4 can be interpreted and written in many different forms- like 3 divided by 4, 3 out of 4, or 3 out of four sections. It could also be thought of as a deci...

Patrick Roisen makes hydrogen bonds easy to understand. Enjoy watching!

Hydrogen Bonds(HD) - Brightstorm Biology A hydrogen bond is an extremely strong bond between molecules with a Hydrogen atom bonded to a Fluorine, Oxygen or Nitrogen atom and a molecule with a Fluori...

Learn prepositions from this new English grammar video from Katie Aquino.

Prepositions - Brightstorm English Grammar Prepositions show connections between a noun or pronoun to another word in the sentence. Prepositions can describe time, location, direction, or relationship...

Watch our new precalculus video on finding the domain of a function. Available for free on our youtube channel(http://bit.ly/1kVXqu6).

Finding the domain of a function(HD) - Precalculus Certain functions, such as rational and radical elementary functions, have instances of restricted domains. When finding the domain of a function, we must al...

Taking ACT test in Dec.? Learn useful tips from our ACT expert that will make you feel comfortable and confident on Test Day.
https://www.youtube.com/watch?v=koUAMhGsB6s&index=35&list=PL9B99BD1005632B6D

ACT test-taking strategies - ACT Tips(HD) This video provides you with the tips and test-taking strategies that will make you feel comfortable and confident on your test day. Very useful tips from an...

For those who're going to take the ACT test in Dec., let us share several great videos on ACT test-taking strategies and tips by a top-rated ACT instructor. You can watch more ACT videos by downloading our free ACT mobile app.
- iOS: http://apple.co/1kPlsXJ
- Android: http://bit.ly/1SUjGz1

ACT Reading Strategies: Passages - ACT Prep(HD) Learn ACT reading section strategies from an ACT expert. Includes general strategies, reading in sweeps, macro-reading, marking up the passage, what to look ...

How to write a great essay hook to interest the readers.

Essay Hook - Parts of an Essay - English Writing(HD) Essay Hook - Parts of an Essay - English Writing(HD)

Our English teacher, Katie, explains 'Noun', the most basic, common parts of speech. You can watch more English grammar videos on our youtube channel(https://goo.gl/lcr9i6).

Nouns - Parts of Speech - English Grammar Nouns are one of the most basic, common parts of speech. There are several types of nouns such as common nouns, proper nouns, concrete nouns, abstract nouns,...

Combining like terms is just the application of the distributive law. NBD, right?

Combining Like Terms Lots of times you’re going to have to do this crazy thing called “combining like terms.” I know it might seem like some arbitrary procedure invented...

Before you even think about sitting down to fill out your college application, make sure you have these 8 important things.

8 Things You Need for College Applications Before you sit down to start your college application, make sure that you have everything you need. You’ll get less frustrated along the way and even...

The first step in solving exponential equations with different bases is to get every base with an x in the exponent on one side of the equation and everything else on the other side. Don't worry, it's easier than it sounds.

All About That Base (Exponential Equations) Solving exponential equations with different bases can be a little trickier than solving exponential equations with the same base. Let’s have a look at this equation:...

If you're going to take out loans for college, here are some basic things you should know about interest rates.

Advice For Students About Borrowing With Interest If you’re reading this, you’re probably planning on going to college, which means your probably going to take out student loans, which probably means you should...

Here are four steps to make sure your teacher or counselor writes the best letter of recommendation possible.

The Importance Behind Letters of Recommendation (Part 3) How to prep your recommenders The difference between getting a good letter of recommendation and getting a great one is how you approach it. Follow these...

Deciding who to ask for a recommendation is just as important as the letter itself.

The Importance Behind Letter of Recommendation (Part 2) Who to ask for letters of recommendation Deciding who to ask to write your letter of recommendation can be a tough decision. After investing so much...

Letters of recommendation should complement your college application not repeat what they already say.

The Importance Behind Letters of Recommendation (Part 1) Meaningful Letters of Recommendation Colleges are looking for students who not only perform well academically, but are also unique in their personalities and extracurricular activities. Your...

There's no easy way to get rich, but there sure is an easy way to maximize profit.

Can You Maximize a Profit Function? Business calculus students know this problem all too well… how much of some thingamabob should I make to make the most money? I love me some...

Would you rather write seven-hundred-seventy-seven or 777? That's what we thought!

The Best Rules for Writing Out Numbers Deciding how to express numbers in your writing can be confusing. Especially since there’s no consensus on what’s right and what’s wrong. There are some basic...

"My teacher Ms. Williams—who is now Mrs. Williams-Jones because she recently married—has a schedule of 9am–3pm." That's how you use em dashes, en dashes, and hyphens! Do you see the differences?

What are em dashes & how do they work? Unlike the en dash which is often confused for a hyphen and substituted as such, the em dash play a unique role in English writing. However,...

You may not find the word "alright" in the Oxford English Dictionary but that doesn't mean it doesn't exist.

Does the word “alright” even exist? Just like living organisms, the English language is constantly evolving. New words are added to the lexicon every year while old words are forgotten. It’s what...

FUN FACT: Another way to say standard deviation is “root mean square of deviations from average." Try saying that five times fast!

There’s an Easier Way To Calculate Standard Deviation So you just started a statistics unit, and you’ve learned about a little thing called standard deviation. And you might be thinking, “Why in the world...

Have you heard the joke about the Harvard student and ending sentences with prepositions?

Ending Sentences with Prepositions So a visitor at Harvard stops a student and asks, “Excuse me, can you please tell me where is the library at?” The Harvard students replies,...

Don't get caught tumbling down a slippery slope. This is the easiest way to find a slope, by far.

If You Have To Find a Slope, Read This. What’s slope anyway? Well, kind of intuitively, it’s just a way to measure how tilted a line is. We could say “oh, this one is kinda...

"Either Chris or John _______ vegetables." Which one is correct?
A) likes
B) like

The Key to Subject-Verb Agreement You may not recognize it by name, but subject-verb agreement is something you do in every sentence. In fact, it’s the foundation of every sentence and...

Are you a teacher? Do you love our videos? Check out our new school membership program and get Brightstorm for all your students!

School Membership - Brightstorm Give your teachers and students the best online video lessons

You might dislike the Pythagorean theorem, but you're going to LOVE Pythagorean triples!

Master Pythagorean Triples & Save Time on Homework If you haven’t discovered Pythagorean Triples yet, then prepare to have your mind blown. Basically, instead of having to use the Pythagorean Theorem to solve for...

Success may not follow a straight line, but that doesn't mean you can't have fun with the curves!

Success Does Not Follow a Straight Line Life can change in an instant – a birth, a death, an accident, a chance meeting with someone, exposure to an idea, an acceptance, a denial,...

Remember: The Pythagorean theorem only applies to right triangles.

Make the Pythagorean Theorem Your Best Friend The Pythagorean theorem is one of the most important theorems that you’ll come across in geometry. However, before we delve into it, first let’s look at...