Education: Page 17

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn what to do with hybridized orbitals and sigma bonds in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to visualize chiral molecules in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to create and interpret Newman projections in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to use Markovnikov's rule to figure out which addition reaction is most likely in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

What's in a name? Well, your chemistry grade, for one. In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to use the the cis-trans naming system for alkanes. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

What's in a name? Well, your chemistry grade, for one. In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to .... Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

What's in a name? Well, your chemistry grade, for one. In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to name alkyl halides. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

Sometimes--no matter how much you may want to avoid any trouble--you just have to swallow it up and do it the smart way. Notarizing your documents helps you avoid fraud.

Discover the power of raspberries! Literally. In this NurdRage science video, learn how some crushed raspberries and some titanium dioxide (TiO2) can create a powered dye-sensitized solar cell. Inside a raspberry is something called anthocyanin, which is a flavonoid pigment. Commercially purchased solar cells are way more powerful than this DIY solar cell, but with a little improvement, who knows. Nurd Rage also lets you know how this works.

In this tutorial, we learn how to build your own lunar city model. You will need: toilet paper tube, bottle caps, CDs, sheets, and scissors. Now, cover your table area with the bed sheet so it's completely covered. Now, star tot arrange your lunar city model. Place the CDs on the table and stack them, placing bottle caps in between. After this, cut the toilet paper rolls in half and lay them flat on the ground. After this, place cups lid down on the table and then add CDs on top of them. Now...

This video will show you how to make a 2 dimensional object in a 3D world. A well-known example of this is a mobius strip, which can be made with a strip of paper, scissors, and some tape. After cutting out a long strip of paper, you should take the strip of paper, give it a half twist and tape it together, making a loop. This loop, or mobius strip, exists in a three dimensional world, where by following the loop, you seem to always arrive at the same point. Furthermore, the loop can by cut...

You can make saline (salt) or lye (NaOH) solutions. So first you will have to arrange these things to do it which are 2 500ml bottles, 1/2 LB table salt, measuring cup, kitchen scale (optional) and pan for heating. Now first heat the 500-700 ml water in about 100 degrees temperature. Now you have to add the salt in the water and stir it until the salt fully dissolved. Now when its done and cools to room temperature, you need to pour it into the bottle and name that bottle as master solution or...

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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to sum inches and feet, expressing your result in feet.

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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find the width of a fence when given numbers for its length and perimeter.

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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve simple percent problems in basic arithmetic.

Need how to know how to add pounds to ounces and ounces to pounds? 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to sum pound and ounce weight units.

Want to know how to express yards as miles? 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to calculate how many yards make up a mile.

In this clip, you'll learn how to convert between yards and inches by formula. 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve word problems that require you to express yards as inches or...

Could you use a hand tackling metric conversions? You're in luck. 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to convert between metric units in basic mathematics.

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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to convert between US customary and metric units in basic arithmetic.

Need to know how to express gallons in quarts, pints and cups? 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to convert between gallons, quarts, pints and cups.

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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve application problems involving units of weight in basic arithmetic.

Surface tension is one of the coolest things about water. Without it, there would be no waterskiing, and that would be a sad world. This video will show you how to do a cool science magic trick with pepper, soap, and water that demonstrates surface tension. All you do is scatter the pepper on the surface of the water, then dab your finger with dishsoap and touch it to the water. You finger will appear to repel the pepper as the soap disturbs the surface tension of the water. Cool little trick...

Bubbles are usually soft, airy, safe things. Not when they're on fire they're not! This video will show you how to create burning bubbles using only condensed air dust remover, water, and soap. You may have seen this done in science class with gas from a Bunsen burner, but this requires much less elaborate equipment and can be done nearly anywhere! FIRE!

This informative video series will help you with finding your derivatives through the process of differentiation in calculus. Follow along and graph the gradient of the given curve and then solve it as you go along! Just make sure you follow along exactly!

In order to calculate your cumulative average (GPA), you need to know the value of the grades you receive. The grades you receive in your classes are based on the grading scale of each instructor in your classes. Your cumulative average is the resulting value of all of the grades. First assign a grade value to each letter grade. In a 4.5 grading scale, the values go as follows: A+ = 4.5, A = 4.0, B+ = 3.5, B = 3.0, C+ = 2.5, C = 2.0, D = 1.0, and F = 0. Next, you'll need to look at the...

In this video, we learn how to move from notes to a rough draft of a research paper. First, you need to place all your notes in order and create an outline for your paper. Find out what important information you need, and filter out all the information you don't. After this, you can begin to fill in your outline and add any additional information into your outline. After you have this completed, you can start to write your rough draft using the outline you just created. Keep your notes around...

In order to create an explosion, using Calcium Carbide, you'll need the following: calcium carbide, water, a dropper, and a lighter. Place a small chunk of calcium carbide in a petri dish. Fill the dropper with water. Light the lighter and hold it close to the calcium carbide, while you drop a drop of water onto the calcium carbide. Pull the dropper back immediately. The explosion should be instantaneous. From this chemical reaction the following is formed: calcium hydroxide and...

Michael Abernethy teaches us how to incorporate sources into a paper in this tutorial. When you begin to write your sources in your paper, you need to first find out what you need to cite in the paper. Find out where you have used sources and make sure you give credit to the source it came from. After this, you need to research how to cite the different sources where you got your information. You want to use the most up-to-date information on MLA style citation while writing inside a paper....

In this video, we learn how to use a protractor to measure the height of any object. First, attach a level to the protractor, followed by a straw at the 45 degree angle. Next, walk back form the object while looking through the straw. Keep walking back until you spot the top of the object through the straw, then measure to the base of the object. After this, you will have an isosceles triangle that has two equal sides. Use these sides to help find what the size of the object is. After this, add...

In order to subtract mixed fractions, you'll need to look at the denominators carefully. If the denominators do not match, you'll need to find a common denominator. For example, 5 2/3 minus 3 4/5 do not have the same denominator. The lowest common denominator for them is 15. Next, you will need to determine what number you will need to multiply each fraction by in order to get like denominators. Subtract and simplify. Your answer should be 1 13/15. To multiply, you would need to...

In this video, we learn how to hollow out a penny. First, you need pennies that are dated after 1982, muriatic acid, a plastic container, and sandpaper. First, rub the edge of the penny on sandpaper until the silver color is exposed. Do this on two pennies, then place them in the plastic container. Now, while wearing gloves, pour the acid into the container so the pennies are completely covered. Now the pennies will start to bubble, leaves these in the acid for around six hours. Next, pour the...

One formula that you will run into in Calculus is calculating the percentage growth rate using a logarithmic derivative, elasticity of demand, relation among elasticity of demand and also revenue. In this video you will learn the different formulas that are used, methods of solving each formula, and also the full solutions.

In this Education video tutorial you will learn how to cite your sources in different citation styles. What does your professor mean when he or she says, "Don't forget to cite your sources"? Most citation styles require that you include intext citations, which may be footnotes or parenthetical citations. A footnote directs the reader to the bottom of the page for the source of the quotation or idea. A parenthetical note directs the reader to the bibliography at the end of the paper to see the...

In this video, we learn how to focus your laser to make it burn. The best spot for a laser to burn things is at its focal point. This is where the beam from the laser is at its smallest. If you hold a match in front of the beam, it will light it on fire as soon as it's in front of it. If you put two lasers next to each other going the same direction, it won't be able to burn because the light beam is too large. If you position the lasers so the light is smaller, then they can catch something on...

In this video, we learn how to choose topics and write outlines for research papers. First, you need to choose your topic, which will determine what direction your paper will go into. There are two types of papers, single viewpoint and multiple viewpoint. The different between these is taking one side or looking at different views of the debate at hand. Once you choose, you need to brainstorm a list of topics. Write down the pros and cons of the debate that you are taking, then make sure you...

In this video, we learn how to build a magnetic stirring device. First you will need: a block of 1 inch thick Styrofoam, a piece of cardboard, 2 magnets, a small electric motor, a piece of non-magnetic metal, a hot glue gun, and a soldering iron. First, draw the shape of your cardboard square on the foam and cut it out. After this, take your soldering iron and melt away the Styrofoam from the outside. Then, make a hole in the middle for where the motor will be placed and push it inside. After...

In this video, we learn how to make green fire from household materials. You will need: antifreeze, boric acid, and a glass jar. First, pour the antifreeze into the jar until it's 1/3 of the way filled. After this, drop a spoonful of the boric acid into the mixture and mix it up thoroughly. Now, let it sit for 30 seconds and then go into a dark room. Light this up, then watch it burn! You can also put it into a spray bottle and spray it over a flame to see the green fire right in front of you!

Regression functions are a vital part of statistical analysis of populations, and if you're involved in business, science, or nearly any academic field you should understand how it works. This series of videos will show you how standard regression functions, ANOVA, ordinary least squares, and everything else you need to know.

Nope, not the kind used by this elephant dentist: