Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra two-part lesson on scientific notation. Find out what scientific notation actually is, and see how to work with it.

See how to express very large and very small numbers using scientific notation with this free video math lesson from Internet pedagogical superstar Simon Khan. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

A sonicator is a scientific device used to liquefy cells in order to study their proteins. The same tool can also be used to liquefy other things, including Gummy Bears! This video will show you how to use a sonicator to destroy a Gummy Bear completely in a very scientific way.

Confused about scientific notation? In this informative video, Doug Simms from free math tutoring helps you work with large numbers more efficiently by converting them into scientific notation. Let this expert walk you through easy to understand marker board examples covering all of the basics of scientific notation, including exponents, decimals, and how to convert numbers back and forth between different notation forms. Don't let confusing science problems get you down when Doug Simms is ar...

Need to know how to convert between scientific and decimal notation? Learn how with this free video math lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just study for that next big test).

New to Excel? Looking for a tip? How about a tip so mind-blowingly advanced as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 477th installment in their series of digital spreadsheet magic tricks, you'll learn how to prevent Excel from displaying a 13-digit number ID in scientific notation using the number formatting tool.

This video walks you through on how to apply scientific notation. This excellent video shows you a clean blackboard, with the instructors voice showing exactly what to do. Don't fret, any question you may have, will be answered. Watching this video will make you feel like your back in the classroom but rather comfortably from your home.

The scientific method is one of the great constructs of modern academic thought. If followed rigorously it makes science as accurate as any general procedure can make it. Watch this video to learn the steps of the method and how to use it to conduct your own experiments.

Interested in converting numbers both into and out of scientific notation? This free video lesson will teach you everything you'll need to know. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

The best part of science class for many was the awesome demonstrations and experiments teachers use to demonstrate scientific principles. This video will teach you how to capture some of that magic by performing ten awesome science party / magic tricks, like relighting a match with smoke and rolling a can around on it's rim.

The transistor has changed the world since 1947, and the old point contact transistor isn't the scientific darling it's always been. It's still vital to the modern world though, and in this video you'll learn how to make your own point contact transistor with germanium and phosphor bronze contacts.

Are you an active or aspiring scientist? In this free educational video from National High Magnetic Field Laboratory, learn how to make a model of a comet, and why models are important to scientists. Get started on a scientific road to discovery with help from this excellent video on how to make a model of a space comet.

Here are some simple and fun tricks you can do at home with candles to astound and impress your friends and family. Create an extinguisher using baking soda and vinegar, use smoke to relight a candle and create a vacuum using a candle.

In this video, learn how to make your own homemade electroscope. An electroscope is an early scientific instrument that is used to detect the presence and magnitude of electric charge on a body and for static electricity experiments. They are easy to make. This electroscope is made from a binder clip and two sheets of plastic (or overhead transparency film), and scissors.

This video describes Resistor Color Codes and how to read them. It relates Resistor Color Codes to scientific numbers and engineering notation.

A (harmless) explosion a day keeps the police away. Indulge your rambunctious little boy in some scientific fun by helping him build an overhead water rocket launcher, which shoots recycled plastic bottles.

This is a short video about collecting old or antique binoculars. This binocular video is helpful if you are interested in buying, selling, collecting or just learning about these old scientific instruments. This can help with all kinds of binoculars like Ross, Barr and Stroud, prismatic, or Galilean types.

Learn about the history and technology of batteries in this informative video, and learn how to make your own voltaic cells at home, along with other scientific experiments. Jeri Ellsworth demonstrates how and provides several informative facts about the history and technology about the battery.

Magically get a hardboiled egg into (and out of) a bottle, make a star using toothpicks and challenge someone in a brain teaser using wooden matches. Mr. G demonstrates how in this video tutorial and, for all the eager students whose brains are brimming with curiosity, explains the science behind it all.

Not only can you jailbreak your PS3, you can do it just by using a TI-84 silver edition scientific calculator! You'll need to download a simple app first, and this will certainly void your PS3 warranty, but if that's okay with you, here's how to do it!

Crafting is someting you can do in Star Trek Online after you complete the Scientific Mandate mission at level 4. Once you do, you'll gain the ability to craft items. This tutorial shows you what to do once you acquire this ability.

Learn how to measure cooking ingredients. Some home cooks approach cooking as an art form, a splash of this, a dash of that, and soon each culinary creation is deliciously unique. Bakers are more likely to appreciate the scientific side of cooking, relying on the careful measuring of ingredients to ensure consistent results every time they prepare a recipe. To measure cooking ingredients, you'll need a glass measuring cup for liquids, and a dry measure for powders.

Try out this science experiment... watch this video tutorial to learn how to illustrate the scientific concept of conservation of mass. This is purely educational, and not as exciting as some other demonstrations, but this does clearly illustrate the concept of conservation of mass.

Soap is an incredible thing and this how-to shows some of its incredible qualities. You'll need a plate, some whole mile, some food coloring, some Q-tips and some dish detergent. It's an explosion of color! Some very unusual things happen when you mix a little milk, food coloring, and a drop of liquid soap. Use the experiment to amaze your friends and uncover the scientific secrets of soap.

Join NASA (National Aeronautics and Space Administration) as they give the basics on the concepts of weight and balance as applied to aerospace. There's no better place to learn about aviation theory than NASA, the United States government's most infamous agency--the powerhouse of space exploration.

C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.

Ever watch a cheesy movie and say "That monster is so FAKE!" but not really understand why? Well monstrous monsters are governed by a little biological rule called the Square-Cube Law, a scientific term combining math, anatomy and physics into one educational tool to recognize theatrical baloney when you see it. Just watch this video to see the explanation of the Cube-Square Rule, how it works and its ramifications for our favorite B-Movie pet monsters.

Dovid Krafchow, the author of Kabbalistic Tarot, explains the meaning behind the Mayan calendar according to Jewish knowledge and scientific investigation. Check out this video to learn how to understand the Mayan calendar.

This is an amazing, scientific, rise effect with just a candle, a cup, and a Coke. Anybody can do it, so why not?

The Calculator app on your iPhone may seem boring and basic, but there are a few interesting tricks worth knowing. You can ask Siri to perform calculations for you, long-press on results to copy them, long-press the field to paste numbers in, and swipe left or right above the keypad to delete digits one by one. The app can also be used as a scientific calculator with just a simple maneuver.

Want to win the prize? Knowing a little math is the key to winning this popular contest. In this video, learn how to estimate correctly.

The factorial of a number n can be defined as the product of all positive integers that are greater than 0 but less than or equal to n.

Every gal has her trouble areas, but it seems that most girls cite their belly and butt as the hardest areas to tone. After all, scientific studies have shown that these areas are the first place to gain weight and the last place that gets smaller when you're exercising to lose weight. Sad but true facts.

In this fascinating "how to" video, you will see how a simple process creates the illusion of ice that is burning. Only a few items are needed to enact this scientific experiment. As the narrator describes, "Calcium carbide reacts with water to form acetylene gas." To illustrate, the video shows a bowl of ice cubes, to which the special ingredient is added. As the ice melts into water, it reacts with the calcium carbide, forming the high flammable acetylene gas, which is often used in welding...

This video describes how to perform a three balloon science experiment which is a good way for children to learn scientific principles and could make a good science project for school. In this video one will learn key elements of each project and the logic behind the fun. For example in the first experiment one learns about air pressure and how changes from hot to cold cause amazing effects. Overall this video is simple and useful for anyone who would like to teach, entertain or help children...

In this human anatomy video tutorial, you learn how to dissect a human cadaver to get a better look at the nasal cavity and sinuses. You'll see the paranasal, which is alongside or near the nose, and the paranasal sinuses are the mucosa-lined air cavities in the bones of the skull, communicating with the nasal cavity.

On this episode of Scientific Tuesdays, Dylan shows you how to create a non-Newtonian fluid using corn starch and a little water. A non-Newtonian fluid is any fluid that does not follow the laws of physics.

To make this origami SST paper airplane, begin with a square. The origami SST (supersonic transport) was designed by Dr. James Sakota. The plane was first featured in the 1960's book The Great International Paper Airplane Book, a documentation of the Scientific American first International Paper Airplane Competition. It won first place for origami/nonprofessional. This plane flies excellently in a fast, long distance glide! Learn how to make the origami SST paper airplane by watching this ins...

When a number is expressed in the form of x multiplied by 10^y such that, x < 10 and y is an integer, the number is said to be in standard form. Standard form of expressing numbers finds its use in scientific and statistical fields. This video demostrates how to express, as well as perform basic mathematical operations namely, addition/subtraction, multiplication and division of numbers in the standard form using four examples/mathematical problems. The first two examples demostrate multiplic...

Probability computation is a complex process and even using a calculator can be difficult. But normal probability calculations can be performed quickly with the help of calculator once you know how to use it. So when you have to calculate a probability from a normal distribution you can use the functions on your scientific calculator. You can use the normal CDF function from you calculator to compute the area under a normal curve. The function requires lower band and upper band values, the me...