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How to Make a Citric Acid Solution
One of the most common acids in the world, citric acid is responsible for giving fruits like lemons and limes their characteristic tartness. Pure citric acid is available as a crystalline powder at gourmet cooking stores. In addition to giving any food item a citrus tang, citric acid crystals can be
How to Make a Child's Craft Table
Make a child's craft table to provide your children with a surface to complete their crafts that prevents you from worrying about stains and spills on your carpet and furniture. Make the table from an old bench or even an old coffee table or make the craft table from scrap wood pieces. Dress up the
How to Convert a Tintype to a Photograph
Tintypes, or ferrotypes, were a popular form of photography from 1855 to about 1900. Tintypes are pieces of metal coated with a photographic emulsion. They are fairly sturdy, but the emulsion and metal can corrode with handling over time. If you have a tintype, you should make a copy to display so t
How to Solve an Inequality Equation
Share and share alike. When two kids split a chocolate bar, they ideally do it this way: one child makes the division, the other child gets first choice of the two halves. Mathematics is fair too. Every inequality, for example, implies an opposite inequality. If seven is greater than one, (7 > 1)
The Process of Heat Transfer
Molecular ActivityHeat transfer is a process of thermal energy movement. It is governed by scientific laws that dictate, in summary, that such energy will also seek equilibrium, and move from substances of high energy to substances of low energy, trying to make their thermal energy equal....
What Fish Species Are Endangered in the Murray-Darling River?
The Murray-Darling river basin is a large river basin in Australia that has been hit hard by drought and environmental problems. This basin includes water from the Murray River and the Darling River. Due to the reduced water levels, the river basin is struggling to maintain its natural ecosystem. Th
How to Convert a Nitro RC Plane to Electric
Converting a gas-engine ("nitro") model plane to electric power is a straightforward process. You need basic knowledge of model planes, power-to-weight ratios and center-of-gravity (COG) balance points. Electric motors weigh less than gas models because they have fewer parts. The battery packs, howe
Asexually Reproducing Flowering Plants
Strawberry plants reproduce asexually.strawberry pile strawberries background image by alma_sacra from Fotolia.comAsexual reproduction is the formation of new individual plants from the cell(s) of a single parent. Many flowering plants, as well as fungi, reproduce asexually. Asexual...
How to Control the Depth on a Counter Sink
The purpose of a countersink drill bit is to drill a hole in wood or plastic large enough to allow the head of a screw to sit below the surface of the wood or plastic, and to allow a plug to fill the hole and hide or cover the screw head. The countersink hole depth can be limited by using a regular
Endangered Birds & Plants
There are thousands of birds and plants that are at serious risk of becoming extinct. Due to their classifications of being either essential or nonessential there are 750 types of plants that are listed with the U.S. Fish & Wildlife Service classified as being endangered. There are also 90 different
How to Convert Lignin to Glue
Glue derived from lignin is an effective adhesive in the manufacturing of wood products such as particle board and plywood. Most natural woods contain between 25 and 30 percent of lignin with cellulose and hemicelluloses making up the remainder. Cellulose is the basic raw material for manufacturing
How to Go Beach Combing
Beachcombing is the art or hobby of searching beaches for small treasures. These might include the perfect piece of driftwood, a beautiful shell, jewelry or coins. Beachcombers commonly carry metal detectors to help them unearth the treasures.
How to Design Model Aircraft
Model aircraft are smaller versions of full size airplanes constructed using materials such as fiberglass, polystyrene or balsa wood. There are a range of different sizes and designs built for flying or as stationary models.When designing a model aircraft you will need to tak
Paper Airplane Models to Make
Paper airplanes are a staple in classrooms across the globe. Created in China more than 2,000 years ago, paper airplanes have taught children around the world the principles of aerodynamics. Paper airplanes are mostly for fun these days, however, in the 1930s they tested aircraft designs by Jack Nor
Tips for Installing a Box Hinge
Box hinges work best with smaller boxes and chests. The hinges have to be able to support the weight of the lid as it swings. Do-it-yourself and professional box makers often supplement hinges with mechanical devices that hold the lid open.
How to Make Your Own Water Bottle Wrappers
Water bottles are an individualized beverage choice for guests as weddings, corporate picnics, family reunions and school functions and can be personalized to suit your needs. Include your married names, company logo, family name or school mascot as well as any other complementary images or text tha
The Difference Between Aluminum & Tin Can
While some people refer to tin cans and aluminum cans interchangeably, the two types of cans are not the same thing. People use tin cans and aluminum cans for the same general purposes; however, the two items are made from different materials and have different properties and manufacturing costs.
How to Drill a Powder Horn
Horns for the storage of black powder come from a variety of sources. Being organic in nature and derived from animals, the most common horns come from cows and buffalo. In some cases, the antlers from elk and deer serve as efficient, traditional powder horns. Cutting, sizing, boiling and coring com
How to Form a Bell Curve
A bell curve is a probability graph displaying a normal, or "average," distribution of a trait within a population. The bell shape of the curve comes from the fact that most members of a certain population will exhibit the same "average" traits, thus causing the curve to rise in the middle as the gr