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How to Refill Disposable Lighters
Refilling a disposable lighter might seem like an impossible task, but it isn't actually that difficult or time-consuming at all. A few short steps can lead you to a completely restored lighter that can be used to light anything from cigarettes to candles. Refill lighter fluid can be purchased from
Advantages and Disadvantages of Types of Microscopes
The invention of the first microscope led to the realization that living things -- animals, plants and fungi -- were composed of distinct cells and, later, to the discovery of single-celled organisms previously unsuspected. New types of microscopes opened up still more ways of seeing, and new scient
Description of Gray Wolves
Gray wolves make up the largest portion of the canine family. They are common and readily abundant in their natural habitat and are the ancestors of domesticated dogs. Gray wolves are biologically categorized as mammals of the Chordata phylum, meaning that they are warm-blooded animals with backbone
How to Test Acid Conductivity
Metal materials have high conductivities while plastics and rubbers are comparability lower. Other substances, like acids and other liquids, fall between the conductivity of metals and plastics. Electrical conductivity equals the inverse, or one divided by, the resistivity of a substance. Resistivit
How to Make a Small LED Light
Small LED lights are simple to make, even if you have no background in this type of project. You can make it with your older children for a school project and create them in all different colors using different power sources from a small lithium battery to a USB cable. LED "throwies," small lights t
How to Make a Copper Tubing Snail
Copper garden ornaments add interest and focal points. Copper tubing is easier to work with than many other metals and stones to create whimsical creatures. Copper will age gracefully from bright and shiny, red metal to a lovely, aged, blue-green patina, caused by oxidation of the highly reactive co
List of Endangered Animals in the Rainforest
Rainforests are home to over 50 percent of the world's plants and animals, some on the verge of extinctiontiger image by Timothy Lubcke from Fotolia.comThe rain forests are the world's oldest ecosystem and have existed for over a 100 million years. Made up of tall and dense forests with...
Tips on Pinewood Derby Cars
Pinewood derby cars create an interesting competitive environment, in which racers try to build the fastest and coolest-looking car. Fortunately, there are a few things that you can do to make the car go just that much faster, and hopefully give your car a slight edge over the...
How to Make an Airsoft RPG
An "airsoft" weapon refers to a homemade weapon that fires a projectile using a power source other than gunpowder. Airsoft-type weapons mimic real weapons. You can make an airsoft-type rocket-propelled gun (RPG) with a few supplies from a hardware store or from around your house. You will also need
How to Build an Esper Deck
Magic: The Gathering's Esper plane contains powerful magical creatures and artifacts for the popular card game. This land houses a wide variety of artifact creatures, tinkers and mechanical creations designed to protect the fictional realm against all intruders. Esper decks focus on the mystical spe
My Tree Is Oozing Foam
No tree is immune to infection. Pathogens often target injured trees or those stressed by improper cultural conditions. Once inside, tree pathogens like bacterial wetwood can live indefinitely. Other diseases come and go quickly, like alcoholic flux. Both diseases cause white, foamy exudate that can
How to Calculate Amps Required to Raise Water Temperature
Raising temperature of water requires energy. This energy is convenient to calculate in calories; one calorie is the amount of energy to raise the temperature of one gram of water by one degree. This physical process occurs over a period of time -- this allows you to compute the required electrical
How Do I Make a Leatherman Leather Pouch?
You can make beautiful works of art, accessories and clothing from leather, such as belts, bracelets, boots, pouches and knife sheaths. The Leatherman is a multipurpose utility tool that has numerous uses and devices, such as pliers, a saw, a bottle opener, screwdrivers and a knife blade. Though mos
How to Shape Marble Into a Pendant
Glass marbles come in a range of colors, shapes and sizes. You can find spherical marbles and flat-backed marbles, also known as glass nuggets or glass pebbles. Cat's-eye marbles have a twist of color in the center, while fried marbles have a network of shimmering cracks all through them. Some marbl
How to Customize Goalie Jerseys
Hockey memorabilia, like that of most sports, is a huge collectors market. One particular favorite of many fans and collectors is personalized or customized jerseys. Some collect for the potential value, others for fandom, but customizing jerseys can be enjoyable no matter the reason. For goalie fan
What Is the Mass of Castor Oil?
Castor oil is a viscous, yellow-to-colorless liquid derived from the beans or seeds of the castor plant, ricinus communis. Like many other vegetable oils, castor oil is a mixture of triglycerides.
Light-Emitting Diode Projects
Light-emitting diodes, or LEDs, are small electronic components that emit light. Everyday electronics, such as remote controls, computers, cell phones, and televisions use LEDs to display whether they are on and, in some cases, whether they are working properly. Decorations, such as string lights, a
How to Get Dust Out of a Polyurethane Finish
Polyurethane takes hours to dry, which can lead to problems if it is exposed to dust. As the polyurethane dries, particles can settle in the finish, giving it a rough, sandpaper-like texture. The dust may or may not be visible, but the finish feels or looks bad when light reflects off the polyuretha
How to Change the Density of Water
Water is the substance with the easiest to remember density; water has a density of one gram per cubic centimeter. This isn't a coincidence -- the units were chosen specifically to make the density of water one. This is only true at 4 ºC, which is about 39 ºF. Water is most dense at this t