Science

By eHow Hobbies, Games & Toys Editor

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Fruit juice contains acid, which conducts electricity. A fruit juice battery converts chemical energy into electrical energy. To make a fruit juice battery, connect wires between coins inserted in fruit and a voltmeter. Your electric fruit salad ... more »

How to Make a Chicken Bone as Flexible as Rubber

By eHow Hobbies, Games & Toys Editor

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Chemistry can be a confusing and abstract subject matter. Interactions between minerals and acids, chemical and physical changes, as well as the idea that these minerals make up your own body, can all be difficult concepts to grasp, especially ... more »

How to Make a Compass with a Stick

By eHow Hobbies, Games & Toys Editor

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If you are lost and without a magnetic compass, fear not. You can make one with a stick and a few rocks. A compass normally works with the earth's magnetic field, but a stick compass uses the sun and shadows cast by the stick to help you find ... more »

How to Make a Crystal Appear and Disappear?

By Michael Calhoun

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A hydro-gel crystal when placed in water will swell into a transparent tapioca-like bubble of encapsulated water and disappear! The reason the crystal disappears is because the crystal refracts the light the same as water and therefore cannot be ... more »

How to Make a Few Bucks at a Bar Blowing Eggs into Shotglasses

By airesflora

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Years ago, I used to bet people I could blow an egg from one shot glass into another. I made a few bucks with this trick or sometimes had a drink purchased for me. It's basically something that deals with the law of physics, but people will ... more »

How to Make a Great Bottle Rocket Designed for Distance

By HowDragon

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This article shows you how to make a bottle rocket designed for flying the greatest distance. (There will be no parachute on this rocket.) After completing this rocket, you'll have a good starting point for experimenting with dowel rod length, ... more »

How to Make a Light Spark With a Lifesaver

By eHow Hobbies, Games & Toys Editor

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If you've ever crunched a Wintergreen Lifesaver in the dark, you know that the candy will spark as you chew it. The main ingredient in this candy is wintergreen oil. When wintergreen oil is crushed by chewing, it grinds with sugar, which is also ... more »

How to Make a Naked Egg

By eHow Hobbies, Games & Toys Editor

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Want to spice up your weekend a bit? Make a naked egg! This is a science project that is easy to do. All you need is a few ingredients to make an egg without a shell. Here is how to make a naked egg... more »

How to Make a Solar Cell in the Kitchen

By eHow Hobbies, Games & Toys Editor

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Science experiments are great activities to do with your family and make excellent science fair projects for your kids. Learning about the photoelectric effect with a small solar cell is something that helps kids understand a number of scientific ... more »

How to Make a Tomato Glow

By Wildscribe

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It may not have any practical application, but how fun would it be to make a tomato glow? You know you wanna see it..... more »

How to Make a Volcano

By renatanycbz

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If your kid needs to make an erupting volcano for a science fair, I'll teach you how to make one. You only need a couple of ingredients to make this volcano. Also, after you finish your volcano, you can go ahead and decorate it with miniature ... more »

How to Make an Electric Circuit

By eHow Hobbies, Games & Toys Editor

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In this modern day, electricity is commonplace and is taken for granted. But when asked how it works, many people are mystified. Children, especially, can understand how electricity works by performing experiments on their own. This experiment to ... more »

How to Make Black Powder (Gun Powder, Blast Powder)

By flyguy3333

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Black powder can be prepared in a simple, safe manner. It may be used as blasting or gun powder. Be safe and blow something up!.. more »

How to Make Egyptian Musk Oil

By Happiness

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Making your own fragrance is an economical way to create your own personal scent. Here are the steps for making your own Egyptian Musk Fragrance oil. This is an excellent Massage Oil!!!.. more »

How to Make Hot Ice With Sodium Acetate

By BlueOx

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Sodium Acetate is a compound produced in large industrial quantities for a variety of uses. Because the compound has an exothermic nature, meaning that it generates heat, it is often found in common products such as heat compresses and hand glove ... more »

How to Make Oxygen as an Easy Chemistry Experiment

By eHow Hobbies, Games & Toys Editor

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Some of the simplest experiments in chemistry use common household chemicals. The generation of hydrogen gas and oxygen gas by the electrolysis of water requires no special chemicals or apparatus. Water breaks down into the two types of atoms ... more »

How to Make Rock Candy

By eHow Food & Drink Editor

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Making rock candy - which is actually just sugar crystals on a string - can be a remarkably enjoyable and edible science project, as well as a tasty treat. Follow these simple steps to have a batch ready in no time... more »

How to Make Vinegar Explode

By Summer Banks

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A fun at home experiment that any kid can accomplish is making vinegar explode. Kids...ask mom or dad for their permission and then build that mini volcano... more »

How to Obtain Aluminum

By eHow Education Editor

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Aluminum is common in the Earth's crust but rare in its free form. Aluminum is difficult to extract because its primary ore, aluminum oxide (Al2O3), is so stable. The following steps will explain how aluminum is isolated... more »

How to Perform a Science Experiment on Your Nervous System

By Nelumbo

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Are you looking for a simple science experiment for kids? Showing kids that they can trick their own nervous system is a fascinating science experiment. The purpose of the experiment is to show that all your senses are relative. Hot and cold, ... more »

How to Remove Rust Using Washing Soda - Electrolytic Rust Removal

By Judgeguy

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This process of removing rust from steel objects is relatively safe and environmentally friendly... more »

How to Stop Shocks from Static Electricity

By FrogDoc

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Most people have felt the surprising sting of a shock of electricity when touching a doorknob or other metal object. Static electricity is generated when two things rub together, and is sometimes dissipated more slowly than it builds up. ... more »

How to Tell a Microburst From a Crop Circle

By ericmack

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They're the stuff of legend--fields of crops or stands of trees totally flattened. But what caused them? UFOs? Pranksters? Rare atmospheric phenomena? Here's some tips for sorting at the natural from the potentially supernatural... more »

How to Tell and Animal Cell From a Plant Cell

By Heather Walsh

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Cells are the building blocks of all living things. Plant and animal cells have many things in common. They each have many of the same organelles, and perform the same functions. There are differences between plant and animal cells, though ... more »

How to Understand Time Travel

By Bob Strauss

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Long a staple of pulp fiction and incomprehensible sci-fi movies, over the past few decades the concept of time travel has attracted the attention of an increasing number of physicists. The surprising fact is, as we understand them today, the ... more »

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