What Is the Voltage of AA Battery?

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The most common battery type is AA. AA batteries are typically dry cells, which are made with an electrolyte that is inside a paste. An electrolyte is a solution that conducts electricity. When under a load, a thin rod inside of the battery reacts with the paste to produce a voltage.

Birds & Animals in a Tropical Rain Forest

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Defined as a densely forested ecosystem of tall trees, high annual precipitation and warm temperatures, the tropical rain forest provides a home for 40 percent of the world's plant and animal species. Large predators prowl the forest floor and insects inhabit every aspect of the rain forest, from th

How to Make Your Own Morse Code Necklace

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Morse code was invented by Samuel Morse and Alfred Vail in the 1840s as a way to communicate via Morse's telegraph. This code represented letters, numbers and punctuation marks as a series of dots, called dits, and dashes, called dahs. Even after the telegraph fell out of use, Morse code remained an

How to Make an Easy Model of an Eye

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The human eye is on of the most complex organs in the body, second only to the brain. In fact, with its many neurological connections, the eye has become one with the brain more than any other organ. Light enters the pupil of the eye, passing through the lens. The inside of the eye is filled with fl

Panning for Gems in Virginia

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With over 400 minerals within its borders, the state of Virginia is a true playground for the avid rock and gem hunter. These minerals range in difficulty of recovery. Some may seem almost impossible to dig out of hard matrix rock. For those with more interest in finding Virginia's gemstones than po

Antique Clock Collecting: Atmos Clocks

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How to Decorate Wooden Craft Trays

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Wooden craft trays can have many uses, but can sometimes look too plain. Decorating a tray in your own style requires minimal supplies and time. Consider it your own form of homemade functional art.

How to Debug Your Humidor

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A humidor is a must-have for any serious cigar smoker. It keeps cigars at the ideal humidity level to ensure they remain fresh. A well-maintained humidor requires an unbroken seal, to keep the environment inside separate from room conditions, as well as a well-calibrated hygrometer. If you find you

How to Weave Pentagons

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Parachute cord, known as paracord for short, is a survival tool named for its original use as a rigging material in parachutes. Weaving with paracord to create survival braids allows a hunter or hiker to carry a great deal of paracord in an eye-pleasing key chain or lanyard. A pentagon weave combine

How to Test Gold and Silver Jewelry

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How do you tell if a piece of jewelry is really gold or simply base metal with a gold overlay? After reading this article, you will know how to test gold and silver for its purity and where, on your item of jewelry, is the best place to test inconspicuously. Testing gold and silver is an easy task,

Why Are Desert Plants Important?

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Deserts are very hot, dry places with very little plant life. When you think of plant life in the desert, the first thing that probably comes to mind is the cactus. While it is true that cacti are a form of plant life in the desert, they are far from the only type. There are countless types of plant

Sewing Ideas for Kitchens

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Quick, easy sewing ideas can bring order, comfort and a bit of cheer to your kitchen. Make good use of fabric remnants by creating a handy tube for holding recycled produce bags or piece together a special floor mat to keep feet warm and off a cold kitchen floor. Put dish towels in order and add a f

How to Make Lava for a Volcano

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When you think of a volcano, you probably imagine a sudden burst of red hot lava erupting at any moment. Turn this thought into a reality, with this simple recipe that uses ingredients that you already have in your kitchen. Try this lava recipe in your own homemade volcano or in a styrofoam cup. Whi

Ways to Help Conserve Water

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Making a few simple changes can save tens of thousands of gallons of water a yearwater meter image by jimcox40 from Fotolia.comRecently, public education campaigns raised our awareness of our carbon footprints, the number of greenhouse gas emissions caused by our individual and collective...

How to Determine the Wavelength at a Vertical Breakwater

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In the sea, waves are created by wind blowing across the surface of the water. The wavelength is the distance the wave will travel in one cycle --- from peak to peak or from trough to trough. In practice, observers of the ocean find it easier to identify the top of a wave rather than its bottom.

Wii Energizer Charger Directions

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Wireless controllers give the gamer more freedom, but they can also drain batteries quickly. The Energizer rechargeable battery system for the Wii allows gamers to charge the Wii remote from an electrical outlet. When the batteries run down, the user just has to place the remote in the charging dock

How to Change Measured & Controlled Variables for a Science Project

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Experiments of any sort require that you pay constant attention to the variables involved as changing a single variable can have an effect on multiple other variables. Because of this, variables are categorized according to their status within an experiment. Measured variables are those that the exp

How to Build a Garden Train

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A garden train will add an interesting curb appeal to your home, and building one can be a fun project for the entire family. Nowadays special train sets are specifically designed for usage in gardens and they can be as large as you'd like, depending on how much work you want to put into it. A garde

Animals That Live in the Brazilian Rainforest

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The Brazilain rain forest is home to a wide variety of monkeys.monkey image by Ramona smiers from Fotolia.comSituated mainly in the country of Brazil, the Brazilian rain forest region, most commonly known as the Amazon rain forest, is located on about 1.7 billion acres of land and...

What Are Infrared Telescopes Used For?

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Invisible light traveling from the various parts of the universe reaches the Earth as infrared radiation. Its wavelengths measure 10 to 600 times longer than visible light. Infrared telescopes provide astronomers the opportunity to observe infrared light which provides valuable scientific informatio