Science

By eHow Hobbies, Games & Toys Editor

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You need a magnet to in order to make a magnet with only metal. There is a process in which the particles of a metal becomes polarized. This method causes the particles to get into a pair of parallel lines, causing just metal to become either a ... more »

How to Make A Mentos and Diet Soda Volcano Fountain

By delorean88

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Here's how to make Diet Coke erupt in a high fountain by adding Mentos to the bottle... more »

How to Make a Nickel Glow in the Dark

By eHow Hobbies, Games & Toys Editor

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With a few common household items and a little work, you can make a nickel glow in the dark. Whether you practice this trick for your own amusement or to impress your friends at your next gathering, you'll definitely have fun with it... more »

How to make a ocean in a bottle

By pmca

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this will show you how to make an ocean in a bottle.. more »

How to Make a Really Cool Science Project

By Tabitha85730

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Here is a classic science project that still amazes people to this day. Great for elementary to middle school kids... more »

How to Make a Salvia Divinorum Extract

By squestered

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Salvia divinorum is a plant containing the psychoactive chemical Salvinorin A. This extraction shown below will draw Salvinorin A and other chemicals out of the leaf rendering a more potent product. This information is provided with the ... more »

How to Make a Screwdriver Magnet

By eHow Hobbies, Games & Toys Editor

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One of the most frustrating things when trying to screw something together is not having a third hand. It always seems that you need just one more hand to hold the screw in place while you screw it in. Solve this problem easily by magnetizing the ... more »

How to Make Air Muscles

By eHow Hobbies, Games & Toys Editor

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If you're like most people, you've never heard of an air muscle. Air muscles, also called McKibben artificial muscles or braided pneumatic actuators, function similarly to human muscles. Robots and prosthetics use them. Incredibly strong, air ... more »

How to make an electromagnet

By Troyster

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This article will describe the steps necessary to make your very own electromagnet. An electromagnet is a device consisting of a coil of insulated wire wrapped around an iron core that becomes magnetized when an electric current flows through ... more »

How to Make Copper Sulphate

By eHow Hobbies, Games & Toys Editor

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Copper sulphate is useful as an algaecide in swimming pools and as a source of copper in animal feed. It's a simple process to make copper sulphate, but it involves potentially dangerous chemicals. You must perform this task in a well-ventilated ... more »

How to make easy smoke grenade

By SportsDude919

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This article is a cool and fun thing to do if you are bored one day! My instructions are easy to follow and may need parental supervision... more »

How to Make Foam

By eHow Hobbies, Games & Toys Editor

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Play with it, drink out of it, use it to wash dishes or even shave. Foam is a material we see every day in many forms. The concept of foam is so complex that NASA has studied it in space, but to the ordinary person it's as simple as gas bubbles ... more »

How to Make Hot Water Vanish into Thin (and Freezing) Air

By ericmack

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It's a popular rite of passage for newbie Alaskans--grab a cup of hot water, head outside, toss it up in the frigid winter air and watch it disappear into an icy fog. Here's how to witness the coolest liquid-to-gas transition since dry ice... more »

How to Make Leaf Images

By eHow Hobbies, Games & Toys Editor

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Leaves are beautiful and blending their unique colors and shapes on paper makes a gorgeous art project. Each leaf has its own special quality. You learn about the leaf in detail as you capture its image on paper as you work on the project. With ... more »

How to Make LED Candles

By eHow Hobbies, Games & Toys Editor

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Candles can lend ambiance to your home or office, or you can use them as practical lighting for a variety of activities. You can easily build your own LED candles to replicate the effect you receive from lighted candles... more »

How to Make Slime

By amcc78

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A quick and easy recipe that is fun for children and adults. I make this with my students and they love it! Great for groups of 3-4 kids. Each can have a job and take home a sample of the slime!.. more »

How to make Slippery Sludge

By spearpe

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A good slimy experiment for kids and parents to do together!.. more »

How to Make Smoke Bombs

By Tabitha85730

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Smoke bombs are an American pastime and a lot of fun. Here is an easy recipe so that you can create your own... more »

How to make some slime that's actually hard, or is it soft?

By spearpe

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In this experiment you will make something that is liquid when it's under pressure and it's close to solid when it's squeezed... more »

How to make sparklers

By obtusegoose

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Sparklers look really cool and are very popular to play with on the 4th of July, or really whenever you feel like playing with fire. They're also not hard to make... more »

How to Make Your Own Root Beer

By bamboochik

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Most folks born before the 60's can still remember what real, old fashioned, Root Beer taste like. It is nothing like the junk you buy today. It is easy to make so gather up your ingredients and a big pot and lets start!.. more »

How to make your own single cell battery

By Troyster

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In order to make a battery you will need to place 2 dissimilar metals into an acidic solution which is the electrolyte. Lemon juice can serve as this needed solution. A copper penny and a galvanized nail can serve as the battery's electrodes. ... more »

How to Master Meteorology

By eHow Hobbies, Games & Toys Editor

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Meteorology is the study of the science of weather. Learning about meteorology requires an understanding and interest in both physical sciences and mathematics. If you are interested in mastering the study of meteorology, there are several things ... more »

How to Multiply Large Numbers Quickly With the Box Method

By eHow Hobbies, Games & Toys Editor

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Some kids find it easier to break large problems like multiplication into smaller steps, and that's the basis of lattice multiplication. The process also includes the numbers normally carried over within the lattice so they are harder to miss. ... more »

How to Observe Barnyard Entropy

By eHow Hobbies, Games & Toys Editor

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Entropy as a holistic concept is a way to observe changes in energy and understand how ordered systems are built. Observing entropy in a barnyard is a powerful reinforcement to this idea: ANIMATE organisms (humans, animals and plants) build ... more »

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